Tataiso ea Tlhophiso ea Tsamaiso ea Tsamaiso ea APIC

Cisco APIC System Configuration Guide, Release 6.0(x)
Phatlalatso ea Pele: 2022-06-17
Ntlo-kholo ea Amerika
Cisco Systems, Inc. 170 West Tasman Drive San Jose, CA 95134-1706 USA http://www.cisco.com Tel: 408 526-4000
800 553-NETS (6387) Fax: 408 527-0883

© 2022 Cisco Systems, Inc. Litokelo tsohle li sirelelitsoe.

Matšoao a khoebo
TSEBISO LE TSEBISO MABAPI LE LIHLAHISO TSE BITSOANG TOKOMANENG ENA LI TLA FETOHA KA NTLE HO TSEBISO. NTLE HO FE KAMOO HO KA LUMUMELLA CISCO KA HO NGOLA, LIPOLELO TSOHLE, TSEBISO, LE LIKHOTHATSO TSA TOKOMANE ENA LI HLAHISITSOE KA NTLE HO TIISETSO EA MOFUTA OFE KA FEELA, KA POTSO KAPA TSE BONANG.
Tumellano ea License ea Mosebelisi ea Cisco le lipehelo life kapa life tsa tlatsetso tsa laesense li laola tšebeliso ea hau ea software efe kapa efe ea Cisco, ho kenyeletsoa le litokomane tsa sehlahisoa sena, 'me li fumaneha ho: http://www.cisco.com/go/softwareterms. Boitsebiso ba tiisetso ea sehlahisoa saCisco boa fumaneha ho. http://www.cisco.com/go/warranty. Litsebiso tsa Khomishene ea Khokahano ea Naha ea US li fumaneha mona http://www.cisco.com/c/en/us/products/us-fcc-notice.html.
HA HO TSOHLE CISCO KAPA BATHEPI BA EO BA TLA IKOLA MOLATO MABAPI LE LITšenyo life kapa life tse sa tsitsang, tse KHETHEHILENG, LITLHAKISO, KAPA TSA TSHOhanyetso, ho kenyeletsoa, ​​​​ntle le meeli, liphaello tse lahlehileng kapa tahlehelo kapa tšenyo ea data e hlahang ts'ebelisong kapa ts'ebetsong. KAPA BATHEPI BA YONA BA ELETSISITSOE KA MOKGWA OA TSAMAISO E JALO.
Lihlahisoa tsohle le likarolo tse hlalositsoeng mona e le tse nts'etsopele kapa tse fumanehang nakong e tlang li lula li le maemong a fapanengtagtsa nts'etsopele 'me li tla fanoa ka nako le haeba li le teng. Sehlahisoa sefe kapa sefe se joalo kapa 'mapa oa litsela o ka fetoha ka boikhethelo ba Cisco le Cisco e ke ke ea ba le molato oa ho lieha ho fana kapa ho hloleha ho tlisa lihlahisoa kapa lintlha tsa 'mapa tse ka hlahisoang tokomaneng ena.
Liaterese life kapa life tsa Internet Protocol (IP) le linomoro tsa mohala tse sebelisitsoeng tokomaneng ena ha lia rereloa ho ba liaterese le linomoro tsa mohala tsa nnete. Examples, tlhahiso ea tlhahiso ea taelo, litšoantšo tsa topology tsa marang-rang, le lipalo tse ling tse kenyellelitsoeng tokomaneng li bontšoa ka sepheo sa litšoantšo feela. Tšebeliso efe kapa efe ea liaterese tsa 'nete tsa IP kapa linomoro tsa mohala tse hlahang litšoantšong ke ntho e sa reroang ebile e etsahetse ka tšohanyetso.
Litokomane tse behiloeng bakeng sa sehlahisoa sena li leka ka matla ho sebelisa puo e se nang leeme. Ka sepheo sa sete ena ea litokomane, ho se be le leeme ho hlalosoa e le puo e sa boleleng khethollo e ipapisitseng le lilemo, kholofalo, bong, boitsebahatso ba morabe, boitsebahatso ba morabe, maikutlo a ho kopanela liphate, maemo a moruo sechabeng, le ho arohana. Mekhelo e ka 'na ea e-ba teng litokomaneng ka lebaka la puo e thatafalitsoeng ho li-interfaces tsa software ea sehlahisoa, puo e sebelisoang ho latela litokomane tsa RFP, kapa puo e sebelisoang ke sehlahisoa sa batho ba boraro.
Cisco le logo ea Cisco ke matšoao a khoebo kapa matšoao a ngolisitsoeng a Cisco le/kapa mafapha a eona a US le linaheng tse ling. Ho view lethathamo la matšoao a khoebo a Cisco, e ea ho sena URL: www.cisco.com e ea matšoao a khoebo. Matshwao a kgwebo a motho wa boraro a boletsweng ke thepa ya beng ba ona. Tšebeliso ea lentsoe molekane ha e bolele kamano ea tšebelisano pakeng tsa Cisco le k'hamphani efe kapa efe. (1721R)
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Matšoao a khoebo

Matšoao a khoebo

Cisco APIC Tsamaiso ea Tsamaiso ea Tsamaiso ea Tsamaiso ea Tataiso, Release 6.0(x) iv

LIEKETSENG

SEBAKA KHAOLO 1 KHAOLO EA 2
KHAOLO EA 3

Matshwao a kgwebo iii
Tlhahisoleseding e Ntjha le e Fetohileng 1 Tlhahisoleseding e Ntjha le e Fetohileng 1
Litlhaloso, Litlhaloso, le Tags 3 Litlhaloso, Litlhaloso, le Tags 3 Alias ​​3 Ho Theha Lebitso la Lebitso kapa Litlhahiso tsa Lefatše 4 Litlhaloso 5 Ho theha Leano la 5 Tags 6 Ho theha Leano Tag 6
Precision Time Protocol 7 Mabapi le PTP 7 PTP Clock Types 8 PTP Topology 10 Master and Client Ports 10 Passive Ports 11 Phatlalatsa Melaetsa 12 PTP Topology ka Mefuta e sa tšoaneng ea PTP Node 14 PTP Topology e nang le Lioache tsa Bofelo-to-Qetellong Feela 14 PTP Topology le Boundary Topology. Oache le Qetello-ho-Qetellong Lioache tse Bonahalang 14 PTP BMCA 15 PTP BMCA Parameters 15

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Litaba

PTP BMCA Examples 16 PTP BMCA Failover 18 PTP Alternate BMCA (G.8275.1) 20 PTP Alternate BMCA Parameters 20 PTP Alternate BMCA Examples 21 PTP Clock Synchronization 23 PTP and meanPathDelay 24 meanPathDelay Measurement 25 PTP Multicast, Unicast, and Mixed Mode 28 PTP Transport Protocol 30 PTP Signaling and Management Melaetsa 31 PTP Management Melaetsa 32 PTP Profiles 34 Cisco ACI le PTP 35 Cisco ACI Software le Litlhoko tsa Hardware 37 Software e tšehelitsoeng bakeng sa PTP 37 Hardware e tšehelitsoeng bakeng sa PTP 38 PTP Khokahano 39 Khokahano ea PTP Node e tšehelitsoeng 39 Khokahano ea Sehokelo sa PTP e tšehelitsoeng 40 Grandmaster Deployments 41 PTP Configuration Configuration PTP46 48 Ho Hlophisa Leano la PTP Lefatšeng ka Bophara le Bakeng sa Litšebelisano tsa Lesela Ho Sebelisa GUI 48 Ho Hlophisa Leano la PTP Node le ho Sebelisa Leano ho Switch Pro.file Ho Sebelisa Leano la Phetoho
Sehlopha se Sebelisang GUI 49 Ho theha PTP User Profile bakeng sa Leaf Switch Front Panel Ports Ho Sebelisa GUI 50 E nolofalletsa PTP ho EPG Static Ports Ho Sebelisa GUI 50 E nolofalletsang PTP ho L3Out Interfaces Ho Sebelisa GUI 51 Ho Hlophisa Leano la PTP Lefatšeng ka Bophara le Bakeng sa Litšebelisano tsa Lesela Ho Sebelisa REST API 51 Configuring Policy le PTP Node Policy. Ho Sebelisa Leano ho Switch Profile Ho Sebelisa Leano la Phetoho
Sehlopha se Sebelisang REST API 52 Ho theha PTP User Profile bakeng sa Leaf Switch Front Panel Ports U sebelisa REST API 53

Cisco APIC Tsamaiso ea Tsamaiso ea Tsamaiso ea Tsamaiso ea Tsamaiso ea Tsamaiso ea Tsamaiso, Ho lokolloa 6.0 (x) vi

Litaba

KHAOLO EA 4
KHAOLO 5 KHAOLO 6 KHAOLO 7

Ho nolofaletsa PTP ho EPG Static Ports Ho Sebelisa REST API 53 E nolofalletsa PTP ho L3Out Interfaces U sebelisa REST API 54 PTP Unicast, Multicast, le Mokhoa o Kopanetsoeng ho Cisco ACI 55 PTP Unicast Mode Limitations ho Cisco ACI 55 PTP PC le vPC Implementation 56 Cisco ACI PTP Packet Filtering le Tunneling 57 PTP Packet Filtering 57 Cisco ACI E le PTP Boundary Clock kapa PTP-Unaware Tunnel 58 PTP le NTP 60 PTP Verification 61
Synchronous Ethernet (SyncE) 67 Mabapi le Synchronous Ethernet (SyncE) 67 Guidelines and Limitations for SyncE 68 Configuring Synchronous Ethernet 69 Ho theha Leano la Synchronous Ethernet Node 69 Ho theha Leano la Synchronous Ethernet Interface 70 QL Mapping le ACI Configuration Options 72
HTTP/HTTPS Proxy Policy 77 Mabapi le HTTP/HTTPS Proxy Policy 77 Cisco APIC Features Tse Sebelisang HTTP/HTTPS Proxy 77 Configuring the HTTP/HTTPS Proxy Policy using the GUI 78
Lipalopalo tsa Ts'ebetso 79 Viewing Lipalopalo tsa Ts'ebetso Ho Sebelisa GUI 79 Ho Lokisa Leano la Lipalopalo bakeng sa Mekhoa Eohle Lekhetlo la Pele Ho Sebelisa GUI 81 Ho Lokisa Leano la Lipalopalo Bakeng sa Mekhoa Eohle Ka mor'a ho Lokisa Leano Lekhetlo la Pele Ho Sebelisa GUI 82
Basic Operations 85 Tharollo ya mathata APIC Crash Scenarios 85 Cluster Troubleshooting Scenarios 85 Cluster Faults 88

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Litaba

Tharollo ea mathata Node ea Lesela le Ts'ebetso ea Ts'ebetso ea 90 APIC Netefatso ea Ts'ebetso ea Ts'ebetso le ho Qala Botjha 91 Ho rarolla mathata a APIC Ts'ebetso ea Ts'ebetso ea 93 Cisco APIC Tharollo ea Ts'ebetso 95 Ho Koala Sisteme ea APIC 95 Ho Koala Molaoli oa APIC Ho Sebelisa GUI APIC Using 95 Ho Laola API Sebaka sa Lekhotla se sebelisa li-gui 96 ho tlosa li-stulics tse nang le bokooa le switch ea ho fetisa le ho theola lesela la 96 ho haha ​​lesela 97 Ho Fumana Lekhasi le Khaotsoeng 97 Ho Fumana Lekhasi le Khaotsoeng U Sebelisa REST API 97 Ho Rarolla mathata a Loopback Failure 97 Ho Khetholla Karete e Hloekileng ea Line 98 Ho Tlosa Lintho Tse sa Batloeng _ui_ Lintho 98 Ho Tlosa Unwanted _ui_100 API Replace 100 API Replace 100 API Replace API100 API ho beha Solid-State Drive ho Cisco APIC 102 Viewka CRC Libali tsa Liphoso 105 Viewing CRC le Stomped CRC Error Counters 105 Viewing Liphoso tsa CRC Ho Sebelisa GUI 105 Viewing Liphoso tsa CRC Ho Sebelisa CLI 105

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1 KHAOLO

Litaba tse Ncha le tse Fetohileng

· Litaba tse ncha le tse fetotsoeng, leqepheng la 1

Litaba tse Ncha le tse Fetohileng

Tafole e latelang e fana ka tlhalosoview ea liphetoho tse kholo tsa mokhatlo le likarolo tsa tataiso ena ho fihlela tokollong e boletsoeng. Tafole ha e fane ka lethathamo le felletseng la liphetoho tsohle tse entsoeng ho tataiso kapa likarolo tse ncha ho fihlela tokollo eo.
Letlapa la 1: Likarolo tse Ncha le Boitšoaro bo Fetohileng ho Cisco APIC Release 6.0(1)

Sebopeho kapa Phetoho

Tlhaloso

Moo ho Ngotsoeng

Ts'ehetso bakeng sa PTP G.8275.1 ho lihokelo tsa lithaka tse hole le ho li-vPC

U ka sebelisa PTP Telecom Supported PTP Interface profile (G.8275.1) ho virtual port Connectivity, leqepheng la 40 likanale (vPCs) le ho remote leaf switch peer links.

Tšehetso bakeng sa SyncE ho li-vPC le ho tsoela pele U ka sebelisa SyncE ho li-vPC le Tataiso le Meeli bakeng sa

remote leaf switch peer links

ho remote leaf switch peer links. SyncE, leqepheng la 68

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Litaba tse Ncha le tse Fetohileng

Litaba tse Ncha le tse Fetohileng

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2 KHAOLO

Litlhaloso, Litlhaloso, le Tags

· Litlhaloso, Litlhaloso, le Tags, leqepheng la 3
Litlhaloso, Litlhaloso, le Tags
Ho nolofatsa ho khetholla, ho bua le ho hlophisa lintho ka lihlopha, ACI e fana ka mekhoa e mengata ea hore mosebelisi a kenye metadata ea label linthong. Mekhoa ena e akaretsoa lethathamong le ka tlase:
· Lebitso la Alias: Setlolo se ka nkelang sebaka sa GUI. · Global Alias: Leibole, e ikhethang ka har'a lesela, e ka nkang sebaka sa Ntho e ikhethang.
Lebitso (DN). · Tag Mohlala / Annotation: Mongolo kapa tlhaloso e bonolo. · Leano Tag: Leibole ya ho hlopha dintho, tse sa hlokeng ho ba tsa sehlopha se le seng.

Alias

Moetsong oa ntho ea ACI, ntho e 'ngoe le e 'ngoe e na le Lebitso le Ikhethileng le ikhethang (DN), eo hangata e leng sesupo sa nako e telele se kenyelletsang mabitso a sehlopha sa sehlopha sa motsoali le sona. Bakeng sa mohlalaample, nahana ka mohiri ea bitsoang Tenant2468 ea nang le pro ea kopofile e bitsoang ap13, e nang le sehlopha sa lintlha tsa kopo se bitsoang aepg35. DN ea sehlopha seo sa pheletso ea ts'ebeliso, e hlahisitsoeng ke APIC, ke uni/tn-Tenant2468/ap-ap13/epg-aepg35. Ka mor'a hore e 'ngoe le e' ngoe ea lintho tsena e bōptjoe, ACI hangata ha e lumelle mabitso a bona hore a fetoloe, kaha seo se ka baka phetoho ho li-DN tsa lintho tsohle tsa litloholo tsa ntho e rehiloeng. Ho hlola tšitiso ena, ACI e fana ka mesebetsi e 'meli ea li-alias - Lebitso la Alias ​​bakeng sa GUI le Global Alias ​​bakeng sa API.
Lebitso la Alias
Sebopeho sa Lebitso la Alias ​​(kapa "Alias" feela moo boemo bo hlahang ho GUI) se fetola lebitso le bontšitsoeng la lintho ho APIC GUI. Le hoja lebitso la ntho e ka tlaase le ke ke la fetoloa, mookameli a ka fetisa lebitso le bontšitsoeng ka ho kenya lebitso le lakatsehang tšimong ea Alias ​​ea menu ea thepa ea ntho. Ho GUI, lebitso la alias le hlaha hammoho le lebitso la sebele la ntho ka masakaneng, joalo ka name_alias (object_name). Mefuta e mengata ea lintho, joalo ka bahiri, app profiles, libaka tsa borokho, le li-EPGs, li tšehetsa thepa ea alias. Moetsong oa ntho, lebitso la alias thepa ke objectClass.nameAlias. Thepa bakeng sa ntho ea mohiri, mohlalaample, ke fvTenant.nameAlias.

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Ho theha Lebitso la Lebitso kapa Litšupiso tsa Lefatše

Litlhaloso, Litlhaloso, le Tags

Ho sebelisa mohlala o fetilengample mohiri, ha re re motsamaisi o khetha ho bona lebitso la mohiri "AcmeManufacturing" ho fapana le "Tenant2468." Ka ho kenya lebitso leo u le ratang tšimong ea Alias ​​ea thepa ea mohiri ea Tenant2468, GUI joale e tla bonts'a AcmeManufacturing (Tenant2468). Lebitso alias thepa e ntle feela bakeng sa APIC GUI. Li-alias ha li hloke ho ikhetha maemong afe kapa afe, 'me boleng bo ts'oanang bo ka sebelisoa e le li-alias bakeng sa lintho tse ling.
Global Alias ​​Karolo ea Global Alias ​​e nolofatsa ho botsa ntho e itseng ho API. Ha u botsisisa ntho, u tlameha ho hlakisa ntho e ikhethang, eo hangata e leng DN ea ntho eo. E le mokhoa o mong, tšobotsi ena e u lumella ho abela ntho leibole e ikhethang ka har'a lesela. Ho sebelisa mohlala o fetilengample, ntle le lebitso la lefats'e, o ka botsa pheletso ea kopo ka DN ea eona o sebelisa kopo ena ea API:
FUMANA: https://APIC_IP/api/mo/uni/tn-Tenant2468/ap-ap13/epg-aepg35.json
Ka ho hlophisa lebitso le bonolo empa le ikhethile lebaleng la Global Alias ​​la "menu" ea thepa, o ka sebelisa lebitso la lefats'e hammoho le taelo e fapaneng ea API ho botsa ntho eo:
FUMANA: https://APIC_IP/api/alias/global_alias.json
Ho sebelisa mohlala o fetilengample, ka ho kenya "AcmeEPG35" lebaleng la Global Alias ​​la thepa ea tlhophiso ea sehlopha sa li-endpoint, potso. URL joale e ka ba:
FUMANA: https://APIC_IP/api/alias/AcmeEPG35.json
Moetsong oa ntho ea APIC, lebitso la lefats'e ke ntho ea ngoana (tagAliasInst) attached to the object that is being aliased. In the preceding example, ntho ea lefats'e ea alias e tla ba ntho ea ngoana ea ntho ea sehlopha sa endpoint ea kopo. Ho fumana lintlha tse ling, bona "Tags le Litlaleho” khaolo ea Tataiso ea Tlhophiso ea APIC REST API.
Ho theha Lebitso la Lebitso kapa Litšupiso tsa Lefatše
Example mokhoa oa ho u bontša mokhoa oa ho theha lebitso alias le alias ea lefats'e bakeng sa pro ea kopofile ya mohiri. Lintho tse ling tse ngata li tšehetsa likarolo tsena tsa alias li sebelisa mokhoa o ts'oanang ka mor'a ho ea nthong.

Mohato oa 1 Mohato oa 2 Mohato oa 3
Mohato oa 4
Mohato oa 5

Ho bareng ea menyu, khetha Tenants ebe u khetha Tenant ea sebetsang. Ka fenstereng ya Navigation, atolosa tenant_name > Application Profiles > kopo_profile_lebitso. Ka fenstereng ya Mosebetsi, tobetsa tab ya Policy. Leqephe la Properties la profile e hlaha.
Sebakeng sa Alias, kenya lebitso la alias. Li-alias ha li hloke ho ikhetha maemong afe kapa afe.
Lefapheng la Global Alias, kenya alias bakeng sa lebitso le ikhethileng (DN) la kopo ea profile. Li-alias tsa lefats'e li tlameha ho ikhetha ka har'a lesela.

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Litlhaloso, Litlhaloso, le Tags

Litlhaloso

Mohato 6 Tobetsa Romela.

Haeba u hlophisitse lebitso la alias, ts'ebeliso ea profile e se e tsebisitsoe sebakeng sa Navigation e le alias (lebitso). Bakeng sa mohlalaample, haeba Lebitso ke ap1234 mme o hlophisitse Alias ​​joalo ka SanJose, profile e hlaha joalo ka SanJose (ap1234).
Haeba u hlophisitse lebitso la lefats'e, joale u ka kenya boleng boo bakeng sa lebitso le ikhethileng (DN) la pro ea kopo.file ka litaelo tsa API tse tšehetsang li-alias tsa lefats'e.
Litlhaloso
O ka eketsa senotlolo sa boipelaetso: lipara tsa boleng ba metadata ho ntho e le litlhaloso (tagTlhaloso). Litlhaloso li fanoe ka sepheo sa tloaelo sa mosebelisi, joalo ka litlhaloso, matšoao a ho ngola kapa mehala ea API, kapa lifolakha tsa lisebelisoa tsa ho beha leihlo kapa lisebelisoa tsa 'mino tse kang Cisco Multi-Site Orchestrator (MSO). Hobane APIC e iphapanyetsa litlatsetso tsena mme e li boloka feela le lintlha tse ling tsa lintho, ha ho na mofuta kapa lithibelo tsa litaba tse behiloeng ke APIC.
Evolution of Annotations
Tšehetso ea APIC bakeng sa lintlha tse hlalositsoeng ke basebelisi e fetohile ha nako e ntse e ea ka mehato e latelang:
· Pele ho Cisco APIC Release 4.2 (4), APIC e tšehelitsoe tag mehlala (tagInst), e neng e boloka khoele e bonolo. Ho li-menu tsa APIC GUI, tsena li ne li ngotsoe e le “Tags.”
· Ho Cisco APIC Release 4.2(4), hobane litsamaiso tse ngata tsa sejoale-joale li sebelisa para ea bohlokoa le ea boleng joalo ka leibole, ho ile ha etsoa liphetoho ho ea ho key:value annotations (tagAnnotation) e le khetho ea sehlooho bakeng sa API. Shortcut API ea ho botsisisa lintho ka tag liketsahalo (/api/tag/hao_tag.json) ha ea ka ea sebelisoa. APIC GUI e ile ea tsoela pele ho sebelisa khoele e bonolo tag mehlala (tagInst), e ngotsoeng e le “Tags”.
· Ho Cisco APIC Release 5.1(1), tag mehlala (tagInst) li ile tsa tlosoa ho GUI. Menu ea GUI e ntse e sebelisa lentsoe "Tags," empa litlhaloso tse hlophisitsoeng hantle (tagTlhaloso). Hape ho qala ka tokollo ena, lethathamo la litlhaloso tsohle le ka ba viewed from Lesela > Melaoana ea masela > Tags.
Ho Cisco APIC tokollo 5.2(1), lileibole tsa menyu tsa GUI li fetotsoe ho tloha ho “Tags” ho “Litlhaloso.” Phetoho ena e entsoe ho qoba pherekano le Policy Tags.
Ho theha Annotation
Example mokhoa oa ho u bontša mokhoa oa ho etsa tlhaloso bakeng sa mohiri. Lintho tse ling tse ngata li tšehetsa karolo ea litlhaloso li sebelisa mokhoa o ts'oanang ka mor'a ho ea nthong.

Mohato oa 1 Mohato oa 2 Mohato oa 3
Mohato oa 4 Mohato oa 5 Mohato oa 6

Ho bareng ea menyu, khetha Tenants ebe u khetha Tenant ea sebetsang. Ka fenstereng ya ho tsamaya, tobetsa lebitso la tennt_name. Ka fenstereng ya Mosebetsi, tobetsa tab ya Policy. Ho hlaha lenane la thepa ea mohiri.
Haufi le Litlhaloso, tobetsa letšoao la + ho kenya tlhaloso e ncha. Lebokoseng la linotlolo tsa litlhaloso, khetha konopo e teng kapa u thaepe senotlolo se secha. Lebokoseng la boleng ba litlhaloso, ngola boleng.

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Leano Tags

Litlhaloso, Litlhaloso, le Tags

Mohato oa 7

Litlhaku tse lumelletsoeng bakeng sa senotlolo le boleng ke az, AZ, 0-9, nako, colon, dash, kapa underscore. Tobetsa letšoao ho boloka tlhaloso. U ka eketsa litlhaloso ka ho pheta mehato ena.

Leano Tags
Leano tags (tagTag), kapa habonolo feela tags, ke linotlolo tse hlalosoang ke basebelisi le lipara tsa boleng tse sebelisoang ke likarolo tsa ACI. O ka hlophisa tse ngata tags ka ntho e le 'ngoe, 'me u ka sebelisa se tšoanang tag ka dintho tse ngata. Hobane lihlopha tse ngata tsa lintho li tšehetsa leano tags, o ka sebelisa pholisi tags ho hlopha dintho tse fapaneng. Bakeng sa mohlalaample, leano tag e ka sebelisoa ho kopanya li-endpoints, subnets, le VM hammoho e le Sehlopha se le seng sa Endpoint Security (ESG) se sebelisa ESG. tag khethang ho tsona Cisco APIC Release 5.2(1). Likarolo tsa ACI li sebelisa leano tags kenyeletsa:
· Sehlopha sa Tšireletso sa Endpoint (ESG)
Ho theha Leano Tag
Example mokhoa oa ho u bontša mokhoa oa ho theha leano tag bakeng sa ntlha e tsitsitseng. Lintho tse ling tse 'maloa li tšehetsa leano tags ho sebedisa mokgoa o tshoanang ka mora ho tsamaisetsa nthong.

Mohato oa 1 Mohato oa 2 Mohato oa 3
Mohato oa 4 Mohato oa 5 Mohato oa 6
Mohato oa 7

Ho bareng ea menyu, khetha Tenants ebe u khetha Tenant ea sebetsang. Ka fenstereng ya Navigation, atolosa tenant_name > Application Profiles > kopo_profile_name > Application EPGs > application_epg_name > Static Endpoint. Ka Fenstereng ea Mosebetsi, tobetsa habeli ntlha ea ho qetela e tsitsitseng ho ba tagged. Lebokose la puisano la thepa ea Static Endpoint lea hlaha.
Haufi le Policy Tags, tobetsa letšoao la + ho kenya leano le lecha tag. Ho tag lebokose la senotlolo, khetha konopo e teng kapa thaepa senotlolo se secha. Ho tag lebokose la boleng, mofuta oa a tag boleng. Litlhaku tse lumelletsoeng bakeng sa senotlolo le boleng ke az, AZ, 0-9, nako, colon, dash, kapa underscore.
Tobetsa letšoao ho boloka tag.

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Precision Time Protocol
· Mabapi le PTP, leqepheng la 7 · Cisco ACI le PTP, leqepheng la 35
Mabapi le PTP
Precision Time Protocol (PTP) ke protocol ea khokahano ea nako e hlalositsoeng ho IEEE 1588 bakeng sa li-node tse abuoang marang-rang. Ka PTP, o ka hokahanya lioache tse ajoang ka nepo e ka tlase ho 1 microsecond o sebelisa marang-rang a Ethernet. Ho nepahala ha PTP ho tsoa ho tšehetso ea hardware bakeng sa PTP ho Cisco Application Centric Infrastructure (ACI) lesela la mokokotlo le li-switches tsa makhasi. Tšehetso ea hardware e lumella protocol hore e lefelle ka nepo bakeng sa ho lieha ha melaetsa le ho fapana ho pholletsa le marang-rang.
Hlokomela Tokomane ena e sebelisa lentsoe "mosebetsi" bakeng sa seo maemo a IEEE1588-2008 a se bitsang "lekhoba." Mokhelo ke maemo ao ho ona lentsoe "lekhoba" le kentsoeng ho Cisco Application Policy Infrastructure Controller (APIC) CLI litaelo kapa GUI.
PTP ke protocol e ajoang e hlalosang hore na lioache tsa PTP tsa nako ea sebele tsamaisong li hokahana joang. Lioache tsena li hlophisitsoe hore e be sehlopha sa tšebelisano-'moho le moreki le sesupa-nako sa grandmaster, e leng oache e kaholimo ho sehlopha sa maemo, e khethollang nako ea litšupiso bakeng sa sistimi eohle. Kamahanyo e finyelloa ka ho fapanyetsana melaetsa ea nako ea PTP, litho li sebelisa tlhaiso-leseling ea nako ho fetola lioache tsa tsona ho latela nako ea mong'a tsona maemong a phahameng. PTP e sebetsa ka har'a sebaka se utloahalang se bitsoang sebaka sa PTP. Ts'ebetso ea PTP e na le mekhahlelo e 'meli: ho theha bolaoli ba bareki le ho hokahanya lioache. Ka har'a sebaka sa PTP, kou e 'ngoe le e 'ngoe ea oache e tloaelehileng kapa ea moeli e sebelisa mokhoa o latelang ho fumana boemo ba eona: 1. Theha sehlopha sa maemo a holimo sa bareki u sebelisa Best Master Clock Algorithm (BMCA):
· Hlahloba dikahare tsa bohle ba amohetseng Phatlalatsa melaetsa (e ntšitsoeng ke likoung tsa naha master). · Bapisa likarolo tsa data tsa monghali oa kantle ho naha (molaetseng oa Phatlalatso) le oache ea lehae bakeng sa ho etelletsa pele,
sehlopha sa oache, ho nepahala, joalo-joalo. · Iketsetse boemo ba eona e le monghali kapa moreki.
2. Amahanya lioache:
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Mefuta ea oache ea PTP

Precision Time Protocol

· Sebelisa melaetsa, joalo ka Sync le Delay_Req, ho hokahanya oache pakeng tsa master le bareki.
Mefuta ea oache ea PTP
Setšoantšo se latelang se bontša maemo a phahameng a mefuta ea lioache tsa PTP:

PTP e na le mefuta e latelang ea lioache:

Mofuta

Tlhaloso

Sesupa-nako sa Grandmaster (GM, GMC)

Mohloli oa nako bakeng sa topology eohle ea PTP. Oache ea grandmaster e khethoa ke Best Master Clock Algorithm (BMCA).

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Precision Time Protocol

Mefuta ea oache ea PTP

Mofuta oa Bundary Clock (BC) Transparent Clock (TC)
Oache e Tloaelehileng (OC)

Tlhaloso
Sesebelisoa se nang le likou tse ngata tsa PTP. Oache ea moeli oa PTP e nka karolo ho BMCA mme boema-kepe bo bong le bo bong bo na le maemo, joalo ka master kapa moreki. Oache ea moeli e hokahana le motsoali/mong'a eona e le hore moreki a ikamahanya le oache ea moeli oa PTP ka bo eona. Ho netefatsa hore, oache ea moeli e emisa melaetsa ea PTP ebe e araba ka bo eona ho e-na le ho fetisa melaetsa. Sena se felisa tieho e bakoang ke ho fetisa melaetsa ea PTP ho tloha koung e 'ngoe ho ea ho e' ngoe.
Sesebelisoa se nang le likou tse ngata tsa PTP. Oache e bonaletsang ea PTP ha e nke karolo ho BMCA. Mofuta ona oa oache o fetisa feela melaetsa ea PTP ka mokhoa o hlakileng pakeng tsa oache e kholo le lioache tsa bareki e le hore li ka hokahana ka kotloloho le tse ling. Oache e bonaletsang e kopanya nako ea bolulo ho melaetsa ea PTP e fetang e le hore bareki ba ka nka tieho ea ho fetisa ka har'a sesebelisoa sa oache e bonaletsang.
Tabeng ea ho lieha ha lithaka tsa lithaka, oache e pepeneneng ea PTP e emisa melaetsa ea PTP Pdelay_xxx ho fapana le ho fetisa melaetsa.
Ela hloko Liphetoho tsa mokhoa oa ACI e ke ke ea e-ba oache e bonaletsang.
Sesebelisoa se ka sebeletsang mohloli oa nako e le oache e kholo kapa se ka hokahanyang le oache e 'ngoe (joalo ka master) ka karolo ea ho ba moreki (moreki oa PTP).

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PTP Topology
PTP Topology
Maemakepe a Matsete le a Bareki

Precision Time Protocol

Likou tsa master le tsa bareki li sebetsa ka tsela e latelang: · Node e 'ngoe le e' ngoe ea PTP e hokahanya oache ea eona ka kotloloho kapa ka mokhoa o sa tobang ho oache ea grandmaster e nang le mohloli o motle oa nako, joalo ka GPS (Clock 1 setšoantšong). · Setloholo se le seng se khethiloe bakeng sa topology eohle ea PTP (domain) ho ipapisitsoe le Best Master Clock Algorithm (BMCA). BMCA e baloa sebakeng se seng le se seng sa PTP ka bomong, empa algorithm e etsa bonnete ba hore li-node tsohle tse sebakeng se le seng li khetha nako e tšoanang le ea grandmaster. · Tseleng e 'ngoe le e' ngoe pakeng tsa li-node tsa PTP, tse thehiloeng ho BMCA, ho tla ba le boema-kepe bo le bong le bonyane boema-kepe bo le bong ba bareki. Ho tla ba le likou tse ngata tsa bareki haeba tsela e le point-to-multipoints, empa node ka 'ngoe ea PTP e ka ba le boema-kepe bo le bong feela ba bareki. Node e 'ngoe le e' ngoe ea PTP e sebelisa boema-kepe ba bareki ba eona ho hokahanya boema-kepeng bo botle ka lehlakoreng le leng. Ka ho pheta sena, li-node tsohle tsa PTP qetellong li lumellana le Grandmaster ka ho toba kapa ka tsela e sa tobang. · Ho tloha ho Switch 1 ntlha ea view, Clock 1 ke monghali le moholo-holo.
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Precision Time Protocol

Li-Ports tse sa Feleng

· Ho tloha ho Switch 2 ntlha ea view, Switch 1 ke monghali 'me Clock 1 ke setloholo.
· Sebaka se seng le se seng sa PTP se lokela ho ba le boema-kepe bo le bong feela ba moreki, moo ho nang le Grandmaster. Grandmaster e ka ba hop tse ngata hole.
· Mokhelo ke oache e bonaletsang ea PTP, e sa nkeng karolo ho BMCA. Haeba Switch 3 e ne e le oache e bonaletsang ea PTP, oache e ka be e se na boemo ba boema-kepe, joalo ka master le moreki. Clock 3, Clock 4, le Switch 1 e ne e tla theha kamano ea master le moreki ka kotloloho.

Li-Ports tse sa Feleng

BMCA e ka khetha boema-kepe bo bong ba PTP bo boemong bo sa sebetseng ka holim'a master le moreki. Boema-kepe bo sa sebetseng ha bo hlahise melaetsa ea PTP, ntle le mekhelo e 'maloa joalo ka melaetsa ea Tsamaiso ea PTP joalo ka karabelo ho melaetsa ea Tsamaiso ho tsoa ho li-node tse ling.
Example 1

Haeba node ea PTP e na le likou tse ngata tse lebisang ho grandmaster, e le 'ngoe feela ea tsona e tla ba boema-kepe ba bareki. Likou tse ling tse lebisang ho grandmaster e tla ba likou tse sa sebetseng.
Example 2

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Phatlalatsa Melaetsa

Precision Time Protocol

Haeba node ea PTP e lemoha lioache tse peli tsa master feela (bakhethoa ba ka sehloohong), boema-kepe bo lebang ho mokhethoa ea khethiloeng ha grandmaster e fetoha boema-kepe ba bareki mme e 'ngoe e fetoha boema-kepe bo sa sebetseng. Haeba oache e 'ngoe e ka ba moreki, e theha kamano ea master le moreki ho fapana le ho etsa lintho feela.
Example 3

Haeba oache ea master-only (mokhethoa oa moholo) e lemoha oache e 'ngoe ea master-feela e betere ho feta eona, oache e ipeha boemong ba ho se etse letho. Sena se etsahala ha bonkhetheng ba babeli ba li-Grandmaster ba le tseleng e le 'ngoe ea puisano ntle le oache ea moeli oa PTP lipakeng.
Phatlalatsa Melaetsa
Molaetsa oa Phatlalatso o sebelisetsoa ho bala Algorithm e Molemo ka ho Fetisisa ea Clock (BMCA) le ho theha topology ea PTP (sehlopha sa maemo a holimo sa bareki).

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Precision Time Protocol

Phatlalatsa Melaetsa

Molaetsa o sebetsa ka tsela e latelang: · PTP master ports e romela PTP Phatlalatsa melaetsa ho IP address 224.0.1.129 tabeng ea PTP over IPv4 UDP. · Node e 'ngoe le e 'ngoe e sebelisa tlhahisoleseling ho melaetsa ea Phatlalatso ea PTP ho theha ka bo eona sehlopha sa likamano (likamano tsa master/client kapa passive) tse ipapisitseng le BMCA. · Tse ling tsa lintlha tseo PTP Phatlalatsang melaetsa e nang le tsona ke tse latelang: · Grandmaster priority 1 · Grandmaster clock quality (sehlopha, ho nepahala, phapang) · Grandmaster priority 2 · Grandmaster identity · Mohato o tlositsoe · PTP Phatlalatsa melaetsa e romeloa ka nako e thehiloeng ho 2logAnnounceInterval metsotsoana.
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PTP Topology e nang le Mefuta e fapaneng ea Node ea PTP

Precision Time Protocol

PTP Topology e nang le Mefuta e fapaneng ea Node ea PTP
PTP Topology e nang le Lioache tsa Meeli ea ho Qetela Feela
Ho topology ena, li-node tsa oache ea moeli li felisa melaetsa eohle ea multicast PTP, ntle le melaetsa ea Tsamaiso.

Sena se tiisa hore node e 'ngoe le e 'ngoe e sebetsa melaetsa ea Sync ho tloha ho oache e haufi-ufi ea motsoali, e thusang li-node ho finyella ho nepahala ho phahameng.
PTP Topology e nang le oache ea moeli le lioache tse pepeneneng tsa ho qetela ho isa qetellong
Ho topology ena, li-node tsa oache ea moeli li felisa melaetsa eohle ea multicast PTP, ntle le melaetsa ea Tsamaiso.
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Precision Time Protocol

PTP BMCA

Qetello-ho-qetellong (E2E) li-wache tse pepeneneng ha li felise melaetsa ea PTP, empa li eketsa nako ea bolulo (nako eo pakete e e nkileng ho feta node) lebaleng la tokiso ea molaetsa oa PTP ha lipakete li feta e le hore bareki ba ka khona. li sebelise ho fumana ho nepahala ho betere. Empa, sena se na le scalability e tlase ha palo ea melaetsa ea PTP e hlokang ho sebetsoa ke node ea oache e le 'ngoe e eketseha.

PTP BMCA

PTP BMCA Parameters

Oache e 'ngoe le e 'ngoe e na le liparamente tse latelang tse hlalositsoeng ho IEEE 1588-2008 tse sebelisoang ho Best Master Clock Algorithm (BMCA):

Taelo

Paramethara

Melao-motheo e ka khonehang

Tlhaloso

1

Pele 1

0 ho ea ho 255

Nomoro e lokisehang ea mosebelisi. Theko hangata ke 128 kapa ka tlase bakeng sa lioache tsa mokhethoa e moholo (lisebelisoa tse nang le bokhoni) le 255 bakeng sa lisebelisoa tsa bareki feela.

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PTP BMCA Examples

Precision Time Protocol

Odara 2
3 4 5 6 7

Boleng ba Oache ea Paramethara - Sehlopha
Phapang ea Boleng ba Boleng ba Oache Boleng ba Boleng ba Pele 2
Boitsebiso ba Oache
Mehato e Tlositsoe

Melao-motheo e ka khonehang

Tlhaloso

0 ho ea ho 255

E emela boemo ba lisebelisoa tsa oache. Bakeng sa mohlalaample, 6 ke ea lisebelisoa tse nang le mohloli oa mantlha oa nako ea litšupiso, joalo ka GPS. 7 ke ea lisebelisoa tse neng li na le mohloli oa mantlha oa nako ea litšupiso. 127 kapa ka tlase ke tsa lioache tsa master-only (bakhethoa ba li-grandmaster). 255 ke ea lisebelisoa tsa bareki feela.

0 ho ea ho 255

Ho nepahala ha tshupanako. Bakeng sa mohlalaample, 33 (0x21) e bolela <100 ns, ha 35 (0x23) e bolela <1 rona.

0 ho ea ho 65535

Ho nepahala ha nakoamps e kenyelelitsoe melaetsa ea PTP.

0 ho ea ho 255

Nomoro e 'ngoe e ka lokisoang ke mosebelisi. Paramethara ena hangata e sebelisoa ha ho seta ho na le bakhethoa ba babeli ba maemo a holimo ba nang le boleng bo ts'oanang ba oache 'me e' ngoe e le standby.

Ena ke boleng ba li-byte tse 8 Paramethara ena e sebetsa e le thae ea ho qetela eo ka tloaelo e leng sekhechana, 'me hangata ke aterese ea MAC. sebelisa aterese ea MAC

Ha e khonehe

Paramethara ena e emela palo ea li-hops ho tloha ho oache e phatlalalitsoeng mme ke sekhechana sa ho qetela sa thae ha se amohela oache ea setloholo se le seng ho tsoa likoung tse peli tse fapaneng. Haeba mehato e tlositsoeng e tšoana le ea ba khethiloeng, ID ea boema-kepe le nomoro li sebelisoa e le tiebreaker.
Ha o khone ho hlophisa boleng ba paramente ena.

Litekanyetso tsena tsa oache ea grandmaster li tsamaisoa ke melaetsa ea Phatlalatso ea PTP. Node e 'ngoe le e' ngoe ea PTP e bapisa litekanyetso tsena ka tatellano e thathamisitsoeng tafoleng ho tsoa ho melaetsa eohle ea Phatlalatsa eo node e e fumanang hammoho le litekanyetso tsa node. Bakeng sa liparamente tsohle, palo e tlase e ea hapa. Node e 'ngoe le e' ngoe ea PTP e tla theha Phatlalatso ea melaetsa e sebelisa liparamente tsa oache e ntle ka ho fetisisa har'a tseo node e li tsebang, 'me node e tla romela melaetsa ho tloha likoung tsa eona tse kholo ho lisebelisoa tse latelang tsa bareki.

Tlhokomeliso Bakeng sa lintlha tse ling mabapi le paramethara ka 'ngoe, sheba temana ea 7.6 ho IEEE 1588-2008.
PTP BMCA Examples
Ho e latelang example, Clock 1 le Clock 4 ke bakhethoa ba ka sehloohong bakeng sa sebaka sena sa PTP:

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PTP BMCA Examples

Oache ea 1 e na le litekanyetso tse latelang tsa paramethara: Ntlha ea Bohlokoa Pele 1 Boleng ba Oache - Boleng ba Oache ea Sehlopha - Boleng ba Oache bo Nepahetseng - Phapang ea Bohlokoa 2 Boitsebahatso ba Clock Mohato o Tlositsoeng oache ea 4 e na le litekanyetso tse latelang tsa parametha:

Boleng ba 127 6 0x21 (< 100ns) 15652 128 0000.1111.1111 *

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PTP BMCA Failover

Precision Time Protocol

Ntlha ea Bohlokoa ea Paramethara 1 Boleng ba Oache - Boleng ba Oache ea Sehlopha - Boleng ba Oache bo Nepahetseng - Phapang ea Bohlokoa 2 Mohato oa Boitsebiso oa Clock o tlositsoe.

Boleng ba 127 6 0x21 (< 100ns) 15652 129 0000.1111.2222 *

Lioache ka bobeli li romela PTP Phatlalatsa melaetsa, ebe node ka 'ngoe ea PTP e bapisa boleng ba melaetsa. Ho sena mohlalaample, hobane liparamente tse 'ne tsa pele li na le boleng bo lekanang, Priority 2 e etsa qeto ea setloholo se sebetsang, e leng Clock 1.
Kamora hore li-switches tsohle (1, 2, le 3) li lemohe hore Clock 1 ke oache e kholo ka ho fetisisa (ke hore, Clock 1 ke grandmaster), li-switch tseo li romella PTP Phatlalatsa melaetsa e nang le liparamente tsa Clock 1 ho tloha likoung tsa tsona tse kholo. Ho Switch 3, boema-kepe bo hokahaneng le Clock 4 (moemeli oa motlatsi) e fetoha boema-kepe hobane boema-kepe bo amohela PTP Phatlalatsa melaetsa e tsoang ho oache ea master-feela (sehlopha sa 6) e nang le liparamente tse seng betere ho feta setloholo sa hajoale se amoheloang. haufi le kou e 'ngoe.
The Mohato o tlositsoeng parameter e bontša palo ea hop (PTP boundary clock nodes) ho tloha ho grandmaster. Ha node ea oache ea moeli oa PTP e romella PTP Phatlalatsa melaetsa, e eketsa Mohato o tlositsoeng boleng ka 1 molaetsa. Ho sena mohlalaample, Switch 2 e amohela molaetsa oa PTP Phatlalatsa ho tloha ho Switch 1 le li-parameter tsa Clock 1 le Mohato o tlositsoeng boleng ba 1. Clock 2 e amohela molaetsa oa Phatlalatso oa PTP ka Mohato o tlositsoeng oa 2. Boleng bona bo sebelisoa feela ha tse ling kaofela. liparamente ho melaetsa ea Phatlalatso ea PTP lia tšoana, tse etsahalang ha melaetsa e tsoa ho oache e tšoanang ea mokhethoa.

PTP BMCA Failover
Haeba setloholo sa hona joale se sebetsang (Clock 1) se sa fumanehe, boema-kepe bo bong le bo bong ba PTP bo bala hape Algorithm e Molemohali ea Clock (BMCA).

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PTP BMCA Failover

Ho ba teng ho hlahlojoa ho sebelisoa melaetsa ea Phatlalatsa. Boema-kepe bo bong le bo bong ba PTP bo phatlalatsa nako ea ho tsoa ha Melaetsa ea Phatlalatso ka mor'a hore melaetsa ea Phatlalatso e sieo ka tatellano bakeng sa linako tsa Nako ea Nako ea ho Fumana Phatlalatso. Ka mantsoe a mang, bakeng sa Nako ea Phatlalatsa ea Receipt x 2logAnnounceInterval metsotsoana. Nako ena ea nako e lokela ho tšoana hohle sebakeng sa PTP joalokaha ho boletsoe ho Clause 7.7.3 ho IEEE 1588-2008. Ha nako e felile e bonoa, switch ka 'ngoe e qala ho bala hape BMCA likoung tsohle tsa PTP ka ho romella Phatlalatsa melaetsa e nang le data e ncha e ntlehali ea oache e kholo. Ho bala hape ho ka fella ka hore phetoho e qale ho etsa qeto ea hore switch ka boeona ke oache e ntle ka ho fetisisa, hobane li-switches tse ngata li tseba feela setloholo se fetileng.
Ha boema-kepe ba bareki bo hokahaneng le Grandmaster bo theoha, node (kapa likou) ha ho hlokahale hore e emele nako ea phatlalatso, 'me e ka qala hang-hang ho bala BMCA ka ho romela melaetsa ea Phatlalatsa ka data e ncha e ntle ka ho fetisisa ea oache.
Khokahano e ka nka metsotsoana e 'maloa kapa ho feta ho latela boholo ba topology, hobane boema-kepe bo bong le bo bong ba PTP bo bala hape BMCA ho tloha qalong ka bonngoe ho fumana oache e ncha e ntle ka ho fetisisa. Pele ho ho hloleha ha setloholo se mafolofolo, ke Switch 3 feela ea tsebang ka Clock 4, e lokelang ho nka karolo ea setloholo se mafolofolo.
Hape, ha boemo ba boema-kepe bo fetoha ho ba master ho tloha ho bao e seng mong'a, boema-kepe bo fetohela ho boemo ba PRE_MASTER pele. Boema-kepe bo nka metsotsoana ea Qualification Timeout hore boema-kepe e be monghali oa 'nete, eo hangata e lekanang le:
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PTP Alternate BMCA (G.8275.1)

Precision Time Protocol

(Mohato o tlositsoe + 1) x nako ea phatlalatso
Sena se bolela hore haeba mokhethoa e mong e moholo a hokahane le switch e tšoanang le (kapa a le haufi le) setloholo se sebetsang, liphetoho tsa boemo ba boema-kepe e tla ba bonyane mme nako ea ho kopana e tla ba khuts'oane. Sheba Clause 9.2 ho IEEE 1588-2008 bakeng sa lintlha.

PTP Alternate BMCA (G.8275.1)
PTP Telecom profile (G.8275.1) e sebelisa Alternate Master Clock Algorithm (BMCA) e hlalositsoeng ho G.8275.1, e nang le algorithm e fapaneng le ea BMCA e tloaelehileng e hlalositsoeng ho IEEE 1588-2008. Phapang e 'ngoe e kholo ke hore haeba ho na le bakhethoa ba babeli ba nang le boleng bo tšoanang, BMCA e 'ngoe e tsoang ho G.8275.1 e lumella sebaka se seng le se seng sa PTP ho khetha setloholo se haufi ho e-na le ho qobella li-node tsohle tsa PTP ho khetha oache e tšoanang le ea grandmaster ka ho bapisa. Mehato e tlositsoeng pele ho Identity Clock. Phapang e 'ngoe ke paramethara e ncha ea Local Priority, e fanang ka basebelisi taolo ea matsoho holim'a hore na ke boema-kepe bofe bo ka khethoang joalo ka boema-kepe ba bareki. Sena se nolofalletsa ho khetha boema-kepe bo tšoanang le mohloli oa PTP Telecom profile le SyncE sebakeng se seng le se seng, seo hangata se ratoang bakeng sa ts'ebetso ea hybrid mode.

PTP Alternate BMCA Parameters

Oache e 'ngoe le e 'ngoe e na le liparamente tse latelang tse hlalositsoeng ho G.8275.1 tse sebelisoang ho algorithm e 'ngoe ea Best Master Clock Algorithm (BMCA) bakeng sa PTP Telecom pro.file (G.8275.1):

Taelo

Paramethara

Melao-motheo e ka khonehang

Tlhaloso

1

Boleng ba oache - Sehlopha sa 0 ho isa ho sa 255

E emela boemo ba lisebelisoa tsa oache. Bakeng sa mohlalaample, 6 ke ea lisebelisoa tse nang le mohloli oa mantlha oa nako ea litšupiso, joalo ka GPS. 7 ke ea lisebelisoa tse neng li na le mohloli oa mantlha oa nako ea litšupiso. 127 ho ea tlase ke tsa lioache tsa master-only (bakhethoa ba li-grandmaster). 255 ke ea lisebelisoa tsa bareki feela.

2

Boleng ba Oache -

0 ho ea ho 255

Ho nepahala

Ho nepahala ha tshupanako. Bakeng sa mohlalaample, 33 (0x21) e bolela <100 ns, ha 35 (0x23) e bolela <1 rona.

3

Boleng ba Oache -

0 ho ea ho 65535

Phapang

Ho nepahala ha nakoamps e kenyelelitsoe melaetsa ea PTP.

4

Pele 2

0 ho ea ho 255

Nomoro e ka lokisoang ke mosebelisi. Paramethara ena hangata e sebelisoa ha setup se na le batho ba babeli ba maemo a holimo ba nang le boleng bo ts'oanang ba oache 'me e' ngoe e le standby.

5

Ntho ea Pele ea Sebaka

1 ho ea ho 255

Oache ea node ka boeona e sebelisa oache e tlang pele sebakeng se hlophisitsoeng sebakeng sa node. Oache e amohetsoeng ho tsoa sebakeng se seng e fuoa bohlokoa ba lehae bo lokiselitsoeng boema-kepe bo kenang.

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PTP Alternate BMCA Examples

Odara 6

Mehato ea Parameter e tlositsoe

7

Boitsebiso ba Oache

8

Mehato e Tlositsoe

Melao-motheo e ka khonehang

Tlhaloso

Ha e khonehe

Paramethara ena e emela palo ea li-hops ho tloha ho oache e phatlalalitsoeng. Papiso ea sena e lumella oache e 'ngoe le e' ngoe ea moeli oa Telecom hore e hokahane le setloholo se fapaneng le se haufi haholo ha ho na le bonkgetheng ba bangata ba mahlale ba mafolofolo. Haeba mehato e tlositsoeng e tšoana le ea ba khethiloeng, ID ea boema-kepe le nomoro li sebelisoa e le tiebreaker.
Papiso ena e etsoa feela ha boleng ba Clock - Class Class e le 127 kapa ka tlase ho moo, e leng se bontšang hore oache ke mokhethoa ea phahameng.

Ena ke boleng ba 8-byte boo hangata bo etsoang ho sebelisoa aterese ea MAC

Paramethara ena e sebetsa e le sekhechana sa thae ha boleng ba Clock - Class e feta 127, e bonts'ang hore boleng ba oache ha bo etselitsoe ho ba setloholo. Theko hangata ke aterese ea MAC.

Ha e khonehe

Paramethara ena e emela palo ea li-hops ho tloha ho oache e phatlalalitsoeng mme ke sekhechana sa ho qetela sa thae ha se amohela oache ea setloholo se le seng ho tsoa likoung tse peli tse fapaneng. Haeba mehato e tlositsoeng e tšoana le ea ba khethiloeng, ID ea boema-kepe le nomoro li sebelisoa e le tiebreaker.

Liparamente tsena tsa oache ea grandmaster, ntle le tsa Local Priority, li tsamaisoa ke melaetsa ea Phatlalatso ea PTP. Node e 'ngoe le e' ngoe ea PTP e bapisa litekanyetso tsena ka tatellano e thathamisitsoeng tafoleng ho tsoa melaetsa eohle ea Phatlalatsa eo node e e fumanang le litekanyetso tsa eona. Bakeng sa liparamente tsohle, palo e tlase e ea hapa. Node e 'ngoe le e' ngoe ea PTP e tla theha Phatlalatso ea melaetsa e sebelisa liparamente tsa oache e ntle ka ho fetisisa har'a tseo node e li tsebang, 'me node e tla romela melaetsa ho tloha likoung tsa eona tse kholo ho lisebelisoa tse latelang tsa bareki.

Ela hloko Bakeng sa lintlha tse ling mabapi le paramethara ka 'ngoe, sheba temana ea 6.3 ho G.8275.1.
PTP Alternate BMCA Examples
Ho e latelang example, Clock 1 le Clock 4 ke bakhethoa ba sehlooho sa sebaka sena sa PTP ba nang le boleng bo tšoanang le ba bohlokoa:

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PTP Alternate BMCA Examples

Precision Time Protocol

Clock 1 e na le litekanyetso tse latelang tsa paramethara: Boleng ba Oache ea Paramethara - Boleng ba Oache ea Sehlopha - Boleng ba Oache bo Nepahetseng - Phapang ea Bohlokoa Mehato e 2 e Tlositsoeng Clock Identity Clock 4 e na le litekanyetso tse latelang tsa parametha:

Boleng ba 6 0x21 (< 100ns) 15652 128 * 0000.1111.1111

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Precision Time Protocol

Kamahanyo ea PTP Clock

Boleng ba Oache ea Paramethara - Boleng ba Oache ea Sehlopha - Boleng ba Oache e Nepahetseng - Phapang ea Bohlokoa Mehato e 2 e Tlositsoe Boitsebiso ba Oache

Boleng ba 6 0x21 (< 100ns) 15652 128 * 0000.1111.2222

Ka bobeli Clock 1 le Clock 4 li romela PTP Phatlalatsa melaetsa, ebe node ka 'ngoe ea PTP e bapisa boleng ba melaetsa. Hobane boleng ba Boleng ba Clock - Sehlopha ka li-parameter tsa Priority 2 lia tšoana, Mehato e tlositsoeng e etsa qeto ea setloholo se sebetsang bakeng sa node ka 'ngoe ea PTP.
Bakeng sa Switch 1 le 2, Clock 1 ke setloholo. Bakeng sa Switch 3, Clock 4 ke setloholo.

Kamahanyo ea PTP Clock
Likou tse kholo tsa PTP li romela melaetsa ea PTP Sync le Follow_Up atereseng ea IP 224.0.1.129 tabeng ea PTP holim'a IPv4 UDP.

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PTP le meanPathDelay

Precision Time Protocol

Ka mokhoa oa Mohato o le Mong, melaetsa ea Sync e tsamaisa nakoamp ya hore na molaetsa o rometswe neng. Latela_Up melaetsa ha e hlokahale. Ka mokhoa oa Mehato e 'Meli, melaetsa ea Sync e romelloa ntle le nakoamp. Latela_Up melaetsa e romelloa hang ka mor'a molaetsa o mong le o mong oa Sync le linakoamp ya ha molaetsa wa Sync o rometswe. Li-Client node li sebelisa nakoamp melaetsa ea Sync kapa Follow_Up ho hokahanya oache ea bona hammoho le offset e baloang ke meanPathDealy. Melaetsa ea sync e romelloa ka nako e thehiloeng ho 2logSyncInterval metsotsoana.
PTP le meanPathDelay
meanPathDelay ke nako e bolelang hore lipakete tsa PTP li nka ho tloha pheletsong e 'ngoe ea tsela ea PTP ho ea pheletsong e' ngoe. Tabeng ea mochine oa ho lieha ha E2E, ena ke nako e nkiloeng ho tsamaea pakeng tsa boema-kepe ba PTP le boema-kepe ba bareki. PTP e hloka ho bala meanPathDelay (t papisong e latelang) ho boloka nako e hokahaneng ho sesebediswa se seng le se seng se phatlaladitsweng ka nepo.
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Precision Time Protocol

meanPathDelay Tekanyo

Ho na le mekhoa e 'meli ea ho bala meanPathDelay: · Delay Request-Response (E2E): End-to-end transparent clock node e ka tšehetsa sena feela. · Peer Delay Request-Response (P2P): Peer-to-peer transparent clock node e ka tšehetsa sena feela.
Li-node tsa oache ea moeli li ka tšehetsa mekhoa ka bobeli ka tlhaloso. Ho IEEE 1588-2008, mekhoa ea ho lieha e bitsoa "Delay" kapa "Peer Delay". Leha ho le joalo, mochine oa Delay Request-Response o atisa ho bitsoa "E2E delay mechanism," 'me mochine oa Peer Delay o atisa ho bitsoa "P2P delay mechanism."
meanPathDelay Tekanyo
Delay Request-Response Mochini oa ho lieha kopo-karabelo (E2E) o qalisoa ke kou ea bareki 'me meanPathDelay e lekantsoe ka lehlakoreng la node ea bareki. Mochini ona o sebelisa melaetsa ea Sync le Follow_Up, e romelloang ho tsoa boema-kepeng ho sa tsotelehe mochini oa tieho oa E2E. Thepa ea meanPathDelay e baloa ho ipapisitsoe le linako tse 4amps ho tsoa melaetsa e 4.
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meanPathDelay Tekanyo

Precision Time Protocol

t-ms (t2 t1) ke tieho ea tataiso ea bareki ho master. t-sm (t4 t3) ke tieho ea hore moreki a tsebe tataiso. meanPathDelay e baloa ka tsela e latelang:
(t-ms + t-sm) / 2
Sync e romelloa ka nako e ipapisitseng le 2logSyncInterval sec. Delay_Req e romelloa ka nako e thehiloeng ho 2logMinDelayReqInterval sec.
Hlokomela Exampe shebana le mokhoa oa Mehato e 'Meli. Sheba Clause 9.5 ho tsoa ho IEEE 1588-2008 bakeng sa lintlha tse mabapi le nako ea phetisetso.
Peer Delay Request-Response Mochine oa peer delay request-response (P2P) o qalisoa ke bobeli ba master le client port mme meanPathDelay e lekantsoe ka lehlakoreng la node ea mokopi. meanPathDelay e baloa ho ipapisitsoe le linako tse 4amps ho tsoa melaetsa e 3 e reretsoeng mokhoa ona oa ho lieha.
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Precision Time Protocol

meanPathDelay Tekanyo

Ka mokhoa oa mehato e 'meli, t2 le t3 li tlisoa ho mokopi ka e' ngoe ea litsela tse latelang: · Joalo ka (t3-t2) ho sebelisoa Pdelay_Resp_Follow_Up · Joalo ka t2 ho sebelisa Pdelay_Resp le joalo ka t3 ho sebelisa Pdelay_Resp_Follow_Up.
meanPathDelay e baloa ka tsela e latelang:
(t4-t1) (t3-t1) / 2
Pdelay_Req e romelloa ka nako e thehiloeng ho 2logMinPDelayReqInterval metsotsoana.
Ela hloko li-switches tsa Cisco Application Centric Infrastructure (ACI) ha li tšehetse mochine oa ho liehisa kopo ea lithaka (P2P). Sheba temana ea 9.5 ho tloha ho IEEE 1588-2008 bakeng sa lintlha tse mabapi le nako ea phetisetso.
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PTP Multicast, Unicast, le Mokhoa o Kopantsoeng

Precision Time Protocol

PTP Multicast, Unicast, le Mokhoa o Kopantsoeng
Likarolo tse latelang li hlalosa mekhoa e fapaneng ea PTP ho sebelisoa mokhoa oa ho lieha ho arabela (E2E delay).
Mokhoa oa Multicast
Melaetsa eohle ea PTP e phatlalatsoa ka bongata. Oache e bonaletsang kapa li-node tse sa tsebeng tsa PTP lipakeng tsa monghali le bareki li fella ka likhohola tse sa sebetseng tsa melaetsa ea Ho lieha. Leha ho le joalo, likhohola li sebetsa hantle bakeng sa Phatlalatso, Sync, le Latela_Up melaetsa hobane melaetsa ena e lokela ho romelloa libakeng tsohle tsa bareki.

Unicast Mode Melaetsa eohle ea PTP e unicast, e eketsang palo ea melaetsa eo mong'a eona a lokelang ho e hlahisa. Kahoo, sekala, joalo ka palo ea li-client node ka morao ho boema-kepe bo le bong, se a ameha.
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Precision Time Protocol

PTP Multicast, Unicast, le Mokhoa o Kopantsoeng

Melaetsa ea "Mixed Mode" ea ho lieha feela ha e kopane, e rarollang mathata a teng ka mokhoa oa multicast le unicast mode.
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Protocol ea Lipalangoang ea PTP

Precision Time Protocol

Protocol ea Lipalangoang ea PTP
Papiso e latelang e fana ka leseli mabapi le liprothokholo tse kholo tsa lipalangoang tseo PTP e li tšehetsang:
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Precision Time Protocol

PTP Signaling le Melaetsa ea Tsamaiso

Hlokomela Cisco Application Centric Infrastructure (ACI) switches feela tšehetsa IPv4 le Ethernet e le PTP transport protocol.
PTP Signaling le Melaetsa ea Tsamaiso
Setšoantšo se latelang se bontša liparamente tsa molaetsa oa Signaling and Management ka har'a pakete ea lihlooho bakeng sa PTP holim'a IPv4 UDP:
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Melaetsa ea Tsamaiso ea PTP

Precision Time Protocol

Molaetsa oa Tsamaiso o sebelisetsoa ho hlophisa kapa ho bokella liparamente tsa PTP, joalo ka oache ea hajoale le offset ho tsoa ho mong'a eona. Ka molaetsa, node e le 'ngoe ea tsamaiso ea PTP e ka laola le ho beha leihlo li-parameter tse amanang le PTP ntle le ho itšetleha ka mokhoa oa ho hlahloba ntle le sehlopha. Molaetsa oa Pontšo o boetse o fana ka mefuta e fapaneng ea mofuta, bolelele, le boleng (TLVs) ho etsa ts'ebetso e eketsehileng. Ho na le li-TLV tse ling tse sebelisoang ka ho kenngoa melaetsa e meng. Bakeng sa mohlalaample, PATH_TRACE TLV joalo ka ha e hlalositsoe ho poleloana ea 16.2 ea IEEE 1588-2008 e hlomathiselelitsoe ho Phatlalatsa melaetsa ea ho sala morao tsela ea node ea oache ea moeli ho topology ea PTP.
Ela hloko li-switches tsa Cisco Application Centric Infrastructure (ACI) ha li tšehetse tsamaiso, lets'oao, kapa li-TLV tse ling tsa boikhethelo.
Melaetsa ea Tsamaiso ea PTP
Melaetsa ea Tsamaiso ea PTP e sebelisetsoa ho tsamaisa mefuta ea tsamaiso, bolelele, le boleng (TLVs) ho ea ho li-node tse ngata tsa PTP hang-hang kapa sebakeng se itseng.
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Precision Time Protocol

Melaetsa ea Tsamaiso ea PTP

Liphehelo li hlalositsoe ka paramethara ea targetPortIdentity (clockID le portNumber). Melaetsa ea Tsamaiso ea PTP e na le ActionField e hlalosang liketso tse kang GET, SET, le COMMAND ho tsebisa sepheo sa seo ba lokelang ho se etsa ka TLV ea tsamaiso e fanoeng. Melaetsa ea Tsamaiso ea PTP e fetisetsoa ke oache ea moeli oa PTP, 'me feela ho likou tsa Master, Client, Uncalibrated, kapa Pre_Master. Molaetsa o fetisetsoa likoung tseo feela ha molaetsa o amohetsoe boema-kepeng bo ho Master, Client, Uncalibrated, kapa Pre_Master port. BoundaryHops molaetseng e fokotsoa ke 1 ha molaetsa o fetisoa. Setšoantšo sa SMTPE ST2059-2file e hlalosa hore moholo o lokela ho romela melaetsa ea Tsamaiso ea PTP a sebelisa ketso COMMAND ka TLV ea metadata ea kamahanyo e hlokahalang bakeng sa ho hokahanya matshwao a mamelwang/video.
Hlokomela li-switches tsa Cisco Application Centric Infrastructure (ACI) ha li sebetse melaetsa ea Tsamaiso, empa li e fetisetsa ho tšehetsa SMTPE ST2059-2 PTP pro.file.
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PTP Profiles

Precision Time Protocol

PTP Profiles
Protocol ea nako e nepahetseng (PTP) e na le mohopolo o bitsoang PTP profile. Ke setsebi sa PTPfile e sebelisetsoa ho hlalosa liparamente tse fapaneng tse ntlafalitsoeng bakeng sa linyeoe tse fapaneng tsa ts'ebeliso ea PTP. Tse ling tsa liparamente tseo li kenyelletsa, empa ha li felle feela, mefuta e loketseng ea linako tsa melaetsa ea PTP le liprothokholo tsa lipalangoang tsa PTP. Ke setsebi sa PTPfile e hlalosoa ke mekhatlo / litekanyetso tse ngata liindastering tse fapaneng. Bakeng sa mohlalaampLe:
· IEEE 1588-2008: Tekanyetso ena e hlalosa PTP pro ea kamehlafile e bitsoang Default Profile.
· AES67-2015: Tekanyetso ena e hlalosa PTP profile bakeng sa litlhoko tsa molumo. profile e boetse e bitsoa Media Profile.
· SMPTE ST2059-2: Tekanyetso ena e hlalosa PTP profile bakeng sa litlhoko tsa video.
· ITU-T G.8275.1: E boetse e tsejoa e le Telecom profile ka Tšehetso ea Nako e Tletseng. Tekanyetso ena e khothaletsoa bakeng sa likhokahano tsa mehala ka Tšehetso ea Nako e Tletseng. Full Timing Support ke lentsoe le hlalosoang ke ITU ho hlalosa marang-rang a likhokahano a ka fanang ka lisebelisoa ka PTP G.8275.1 pro.file hop e 'ngoe le e 'ngoe. G.8275.2, e sa tšehetsoeng ke Cisco Application Centric Infrastructure (ACI), ke bakeng sa Tšehetso ea Nako e sa Feleng e ka 'nang ea e-ba le lisebelisoa tse tseleng e sa tšehetseng PTP.
Indasteri ea mehala ea mehala e hloka khokahano ea maqhubu le nako/mohato. G.8275.1 e sebelisoa ho hokahanya nako le mohato. Maqhubu a ka amahanngoa kapa ho sebelisoa PTP ka marang-rang a pakete le PTP e 'ngoe ea G.8265.1 pro.file, e sa tšehetsoeng ke Cisco ACI, kapa ho sebelisa lesela la 'mele le kang synchronous digital hierarchy (SDH), synchronous optical networking (SONET) ka potoloho e inehetseng, kapa synchronous Ethernet (SyncE) ka Ethernet. Ho amahanya maqhubu ka ho sebedisa SyncE le nako/mohato o sebedisa PTP ho bitswa mokgwa wa lebasetere.
Liphapang tsa bohlokoa tsa G.8275.1 ha li bapisoa le tse ling tsa profiles ke tse latelang:
· G.8275.1 e sebelisa BMCA e 'ngoe e nang le paramethara e 'ngoe ea Local Priority e sieo ho pro e 'ngoe.files.
· G.8275.1 e sebelisa PTP holim'a Ethernet ka melaetsa eohle ea PTP e sebelisa aterese ea MAC ea moo e eang teng (e fetisetsoang pele le e ke keng ea fetisoa), eo u ka e khethang.
· G.8275.1 e lebeletse hore oache ea moeli oa mohala (T-BC) e latele ho nepahala (phoso ea nako e kholo; max|TE|) e hlalosoang ke G.8273.2.
· Sehlopha sa A: 100 ns
· Sehlopha sa B: 70 ns
· Sehlopha sa C: 30 ns

Tafole e latelang e bonts'a tse ling tsa li-parameter tse hlalositsoeng molemong ka mong bakeng sa pro e 'ngoe le e 'ngoe ea PTPfile:

Profiles

logPhatlalatsa logSync logMinDelayReq phatlalatsa Receipt Domain Mode Transport

Karohano ea Nakoana

Khefutso

Nomoro

Protocol

Pro ea kamehlafile 0 ho isa ho 4 (1)
[=1 ho isa ho metsotsoana e 16]

-1 ho +1 (0) 0 ho isa ho 5 (0)

2 ho ea ho 10

[=0.5 ho isa ho 2 [= 1 ho isa ho metsotsoana e 32]

phatlalatsa linako (3)

0 ho isa ho 255 Multicast Any/IPv4

(0)

/ Unicast

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Cisco ACI le PTP

Profiles

logPhatlalatsa logSync logMinDelayReq phatlalatsa Receipt Domain Mode Transport

Karohano ea Nakoana

Khefutso

Nomoro

Protocol

AES67-2015 (Media Profile)

0 ho isa ho 4 (1)
[=1 ho isa ho metsotsoana e 16]

-4 ho ea ho +1 (-3)
[=1/16 ho isa ho metsotsoana e 2]

-3 ho ea ho +5 (0)
[= 1/8 ho isa ho metsotsoana e 32] Kapa

Linako tse 2 ho isa ho tse 10 (3)

logSyncInterval ho logSyncInterval + metsotsoana e 5

0 ho isa ho 255 Multicast UDP/IPv4

(0)

/ Unicast

SMTPE

-3 ho +1 (-2) -7 ho -1 logSyncInterval 2 ho isa ho 10

ST2059-2-2015 [= 1/8 ho isa ho metsotsoana e 2]

(-3)

ho

phatlalatsa

[=1/128 ho isa ho metsotsoana e 0.5]

logSyncInterval + metsotsoana e 5

karohano (3)

0 ho 127 Multicast UDP/IPv4 (127) / Unicast

ITU-T

-3

G. 8275.1

-4

-4

2 ho ea ho 4

24 ho 43 Multicast Ethernet (24) Feela

Cisco ACI le PTP
Leselang la Cisco Application Centric Infrastructure (ACI), ha karolo ea PTP e lumelloa lefatšeng ka bophara ho Cisco Application Policy Infrastructure Controller (APIC), software e nolofalletsa PTP ka mokhoa o ikhethileng oa li-interfaces tsa mokokotlo le li-switches tsa makhasi ho theha PTP master. -topology ea bareki ka har'a lesela. Ho qala ka Cisco APIC tokollo 4.2(5), o ka nolofalletsa PTP ho li-port tsa pele tsa lekhasi le ho holisa topology ea PTP ho ea kantle ho lesela. Ha ho na le oache e ka ntle ea grandmaster, e 'ngoe ea switjha ea mokokotlo e khethoa e le grandmaster. The master spine switch e fuoa pele PTP e fapaneng e tlase ka 1 ho feta li-spin tse ling le li-switches tsa makhasi.
Phethahatso ho Cisco APIC Release 3.0(1)
Ho qala ka Cisco Application Policy Infrastructure Controller (APIC) tokollo 3.0 (1), PTP e ile ea hlahisoa ka mokhoa o itseng ho hokahanya nako feela ka har'a li-switches tsa lesela tsa Cisco Application Centric Infrastructure (ACI). PTP e ne e hlokoa ho fana ka tšobotsi ea tekanyo ea latency e ileng ea boela ea hlahisoa ho Cisco APIC tokollo 3.0 (1). Bakeng sa morero ona, ho ile ha hlahisoa khetho e le 'ngoe ho nolofalletsa kapa ho tima PTP lefatšeng ka bophara. Ha PTP e sebetsa lefatšeng ka bophara, li-switches tsohle tsa makhasi le mokokotlo li hlophisoa e le lioache tsa moeli oa PTP. PTP e lumelloa ka bo eona likoung tsohle tsa masela tse sebelisoang ke ftag sefate se nang le ID 0 (ftag0 tree), e leng e 'ngoe ea li-topology tsa lifate tse ka hare tse hahiloeng ka boiketsetso tse thehiloeng ho Cisco ACI infra ISIS bakeng sa khokahanyo ea multicast e se nang loop pakeng tsa li-switches tsohle tsa lekhasi le mokokotlo ka har'a pod e' ngoe le e 'ngoe. Motso oa lesapo la mokokotlo oa ftag Sefate sa 0 se lokisoa ka boiketsetso ka PTP priority1 254 hore e be grandmaster ha ho se na bo-nkhono ba kantle ho marang-rang a marang-rang (IPN). Li-switches tse ling tsa mokokotlo le makhasi li hlophisitsoe ka bohlokoa ba PTP1 255.

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Cisco ACI le PTP

Precision Time Protocol

Ka ho seta Multi-Pod, PTP e buleha ka bo eona ho li-sub-interfaces tse lokiselitsoeng bakeng sa khokahanyo ea IPN ho tn-infra Multi-Pod L3Out. Ho Cisco APIC tokollo 3.0(1), ena ke eona feela tsela ea ho nolofalletsa PTP ho li-interfaces tse shebaneng le kantle. Ka sena, ho ne ho tlamehile ho fana ka setloholo se tšoanang sa kantle se sebelisang IPN ho li-pods tsohle bakeng sa karolo ea ho lekanya latency ho sebetsa molemong oa Multi-Pod.

Ho Cisco APIC tokollo 3.0(1), PTP e ke ke ea lumelloa ho li-interfaces tse ling tse batloang, joalo ka sehokelo se ka tlase (likoung tse ka pele) ho li-switches tsa makhasi.
Ho kenya ts'ebetsong ho Cisco APIC Releases 4.2 (5) le 5.1 (1) Ho qala ka Cisco APIC e lokolla 4.2 (5) le 5.1 (1), o ka nolofalletsa PTP ho likoung tse ka pele tsa lekhasi ho hokahanya li-node tsa PTP, bareki, kapa grandmaster. . Ts'ebetsong ea PTP ho likoung tsa masela e ntse e tšoana le
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Cisco ACI Software le Litlhoko tsa Hardware

litokollo tse fetileng, ntle le hore li-parameter tsa PTP tsa likoung tsa masela joale li ka fetoloa. Ka phetoho ena, o ka sebelisa lesela la Cisco ACI ho phatlalatsa khokahano ea nako o sebelisa PTP e nang le li-switches tsa Cisco ACI joalo ka node ea oache ea moeli oa PTP. Pele ho moo, mokhoa o le mong feela oa Cisco ACI o neng o e-na le oona e ne e le ho fetisetsa melaetsa ea PTP ea multicast kapa unicast ka mokhoa o hlakileng joaloka phetoho e sa tsebeng ea PTP ho tloha ho lekhasi le le leng ho ea ho le leng e le kotopo.

Hlokomela Litokollo tsa 5.0(x) ha li tšehetse tšebetso ea PTP e hlahisitsoeng ho 4.2(5) le 5.1(1) tokollo.
Cisco ACI Software le Litlhoko tsa Hardware
Software e tšehelitsoeng bakeng sa PTP
Karolo e latelang e tšehetsoa ke Cisco Application Policy Infrastructure Controller (APIC) tokollo ea 3.0(1):
· PTP feela ka har'a lesela bakeng sa tšobotsi ea tekanyo ea latency Lintlha tse latelang li tšehetsoa ho tsoa ho Cisco APIC tokollo 4.2(5):
· PTP e nang le lisebelisoa tsa kantle ka li-switches tsa makhasi
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Hardware e tšehelitsoeng bakeng sa PTP

Precision Time Protocol

· PTP on leaf switch panel front panels · Linako tsa melaetsa tsa PTP tse Configuable · Nomoro ea domain ea PTP e Configuable · Lintho tse tlang pele tsa PTP tse Lokisehang · PTP multicast port · PTP unicast master port on leaf switch front panel · PTP over IPv4/UDP · PTP profile (Default, AES67, le SMTPE ST2059-2)
Lintlha tse latelang li tšehetsoa ho tsoa ho Cisco APIC tokollo 5.2(1): · PTP multicast master-only ports · PTP over Ethernet · PTP Telecom profile ka Tšehetso ea Nako e Tletseng (ITU-T G.8275.1)
Hardware e tšehelitsoeng bakeng sa PTP
Li-switches tsa lekhasi, li-spetches tsa mokokotlo, le likarete tsa line tse nang le -EX kapa hamorao ho ID ea sehlahisoa lia tšehetsoa, ​​joalo ka N9K-X9732C-EX kapa N9K-C93180YC-FX. PTP Telecom profile (G.8275.1) e tšehetsoa feela ka Cisco N9K-C93180YC-FX3 switjha. Phetoho ena e tšehetsa ho nepahala ha Sehlopha sa B (G.8273.2) ha se sebelisoa hammoho le SyncE. Liphetoho tse latelang tsa makhasi ha li sebetse:
· N9K-C9332PQ · N9K-C9372PX · N9K-C9372PX-E · N9K-C9372TX · N9K-C9372TX-E · N9K-C9396PX · N9K-C9396TX · N9K-C93120KTX · N9K-C93128KTX
Phetoho e latelang ea lesapo la mokokotlo ha e tšehetsoe: · N9K-C9336PQ
Karete e latelang ea mokokotlo oa mokokotlo ha e tšehetsoe: · N9K-X9736PQ

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Khokahano ea PTP

Khokahano ea PTP
Khokahano ea Node ea PTP e tšehelitsoeng
Li-node tsa PTP tsa kantle li ka hokahanngoa le lesela la Cisco Application Centric Infrastructure (ACI) ka mekhoa e latelang:
· Marang-rang a li-Inter-pod · EPG (ho leaf switch) · L3Out (leaf switch)

PTP ke VRF-agnostic, e ts'oanang le ka switch ea NX-OS e ikemetseng. Melaetsa eohle ea PTP e felisitsoe, ea sebetsoa, ​​​​'me e hlahisoa boemong ba sehokelo sebakeng se seng le se seng sa Cisco ACI switch joalo ka oache ea moeli oa PTP. Ho sa tsotelehe VRF, sebaka sa borokho, EPG, kapa VLAN, The Best Master Clock Algorithm (BMCA) e baloa ho pholletsa le li-interfaces ho switch ka 'ngoe ea Cisco ACI. Ho na le sebaka se le seng feela sa PTP bakeng sa lesela lohle. Li-node leha e le life tsa PTP tse nang le mochine oa ho lieha oa E2E (deech req-resp) li ka hokeloa ho li-switches tsa Cisco ACI tse sebetsang e le oache ea moeli oa PTP.
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Khokahano ea Sehokelo sa PTP e tšehelitsoeng

Precision Time Protocol

Hlokomela hore li-switches tsa Cisco ACI ha li tšehetse mochine oa Peer Delay (P2P). Ka hona, node ea oache e pepeneneng ea P2P e ke ke ea hokahanngoa le li-switches tsa Cisco ACI.

Khokahano ea Sehokelo sa PTP e tšehelitsoeng

Mofuta oa Khokahano

Mofuta oa Sehokelo

Phetoho ea Lekhasi e Tšehetsoeng / Eseng Mofuta (lekhasi, lekhasi le hole le tšehelitsoeng, (lekhasi leo e seng la Telecom tier-2) profiles)

E tšehelitsoe / Ha e Tšehetsoe (G.8275.1)

Fabric Link (pakeng tsa lekhasi Sub-interface

-

le mokokotlo oa mokokotlo)

(eseng PC)

E tšehelitsoe

Ha e tšehetsoe

Fabric Link (pakeng tsa Sub-interface

-

tier-1 le tier-2 leaf switch) (eseng PC)

E tšehelitsoe

Ha e tšehetsoe

Mokokotlo (ho leba IPN)

Sehokelo-tlase

-

(eseng PC)

E tšehelitsoe

Ha e tšehetsoe

Letlapa le hole (ho leba ho Sehokelo se senyenyane

-

IPN)

(eseng PC)

E tšehelitsoe

Ha e tšehetsoe

Lekhasi le hole (sehokelo sa lithaka, lihokelo tsa morao-rao)

Ea nama

-

E tšehelitsoe

E tšehelitsoe

EPG e Tloaelehileng (kutu, phihlello, 'mele, kanale ea boema-kepe, efe kapa efe

802.1P)

vPC

E tšehelitsoe

E tšehelitsoe

L3Out (routed, routerd-sub) 'Mele, kanale ea boema-kepe Leha e le efe

E tšehelitsoe

E tšehelitsoe

L3Out (kutu ea SVI, phihlello, 'Mele, mocha oa boema-kepe, leha e le efe

802.1P)

vPC

Ha e tšehetsoe

Ha e tšehetsoe

L2Out (trunk)

'Mele, mocha oa boema-kepe, VPC efe kapa efe

Ha e tšehetsoe

Ha e tšehetsoe

EPG/L3Out in tn-mgmt Service EPG (trunk)1

'Mele, mocha oa boema-kepe, VPC efe kapa efe
'Mele, mocha oa boema-kepe, VPC efe kapa efe

Ha e tšehetsoe

Ha e tšehetsoe

Ha e tšehetsoe

Ha e tšehetsoe

Mofuta ofe kapa ofe oa sebopeho sa FEX Any

Leha e le efe

Ha e tšehetsoe

Ha e tšehetsoe

Likou tsa ho phatloha

Leha e le efe

Leha e le efe

E tšehelitsoe

E tšehelitsoe

Tsamaiso ea kantle ho sehlopha Sehokelo sa 'mele

-

Ha e tšehetsoe

Ha e tšehetsoe

1 Tšebeletso ea EPG ke EPG e ka hare e etselitsoeng kerafo ea tšebeletso ea Lera 4 ho isa ho Layer 7.

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Grandmaster Deployments

Grandmaster Deployments
U ka tsamaisa bakhethoa ba grandmaster u sebelisa e 'ngoe ea mekhoa e latelang:
Single Pod Ka ho romelloa ha pod e le 'ngoe, baemeli ba Grandmaster ba ka romelloa kae kapa kae ka lesela (L3Out, EPG, kapa ka bobeli). The Best Master Clock Algorithm (BMCA) e khetha setloholo se le seng se mafolofolo har'a bona kaofela.

Multipod Ka BMCA Across Pods Grandmaster bakhethoa ba ka romelloa kae kapa kae leselang (marang-rang a marang-rang, L3Out, EPG, kapa kaofela ha bona). BMCA e khetha setloholo se le seng se mahlahahlaha ho tsoa har'a tsona kaofela ho pholletsa le li-pods. Re khothaletsa hore o behe bo-nkhono ba hau ho marang-rang a li-inter-pod (IPNs) e le hore bareki ba PTP ka har'a pod efe kapa efe ba be le palo e ts'oanang ea hop ho setloholo se sebetsang. Ho phaella moo, topology ea sefate sa master / moreki e ke ke ea fetoha haholo ha setloholo se sebetsang se sa fumanehe.
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Multipod With BMCA in E 'ngoe le e' ngoe ea Pod Haeba u tlameha ho ba le li- grandmasters tse sebetsang ka har'a pod e 'ngoe le e 'ngoe hobane ho nepahala ha PTP ho senyeha haholo ka lebaka la IPN domain, melaetsa ea PTP ha ea lokela ho feta IPN ho pholletsa le li-pods. O ka etsa tlhophiso ena ka e 'ngoe ea litsela tse latelang:
· Khetho ea 1: Netefatsa hore ho sebelisoa li-sub-interfaces lipakeng tsa IPN le li-switch tsa mokokotlo, 'me u tima PTP ho IPN.
· Khetho ea 2: Haeba moholo-holo oa PTP a hokahane le IPN ka har'a pod e 'ngoe le e 'ngoe, empa li-topology tsa PTP li ntse li tlameha ho arohana, tima PTP ho IPN interfaces pakeng tsa li-pods.
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Grandmaster Deployments

Remote Leaf Switch Remote leaf switches libaka hangata ha li haufi le setsi sa data se seholo kapa ho tse ling, 'me ho thata ho phatlalatsa melaetsa ea PTP sebakeng se seng le se seng ka litekanyo tse nepahetseng tsa tieho le tokiso. Kahoo, re khothaletsa hore o thibele melaetsa ea PTP ho haola le sebaka ka seng (sebaka) e le hore topology ea PTP e thehoe ka har'a sebaka se seng le se seng (sebaka). Libaka tse ling tse hole li kanna tsa ba haufi. Boemong bo joalo, o ka nolofalletsa PTP lipakeng tsa li-IPN tseo ho theha topology e le 'ngoe ea PTP libakeng tseo. U ka sebelisa likhetho tse tšoanang tse boletsoeng ho Multipod Ka BMCA ho Pod ka 'ngoe ho thibela phatlalatso ea melaetsa ea PTP.
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Cisco ACI Multi-Site Sebaka se seng le se seng hangata ha se atamelane, 'me ho thata ho phatlalatsa melaetsa ea PTP sebakeng se seng le se seng ka litekanyo tse nepahetseng tsa ho lieha le ho lokisoa. Kahoo, re khothaletsa hore o thibele melaetsa ea PTP ho haola le sebaka ka seng e le hore topology ea PTP e thehoe ka har'a sebaka ka seng. U ka sebelisa likhetho tse tšoanang tse boletsoeng ho Multipod Ka BMCA ho Pod ka 'ngoe ho thibela phatlalatso ea melaetsa ea PTP. Hape, Cisco ACI Multi-Site ha e na ponahalo kapa bokhoni ba ho hlophisa PTP.
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Grandmaster Deployments

Telecom Profile (G.8275.1) PTP Telecom profile (G.8275.1) ho Cisco Application Centric Infrastructure (ACI) e hloka SyncE ho finyella ho nepahala ha sehlopha sa B (G.8273.2). Hape, bobeli ba PTP Telecom profile (G.8275.1) le SyncE li tšehetsoa feela ho Cisco N9K-C93180YC-FX3 makhasi a nodes. Ka lebaka leo, li-node tsa mokokotlo li ke ke tsa sebelisoa ho aba nako, mohato, le khokahano ea maqhubu bakeng sa Telecom pro.file (G.8275.1). Ka lebaka la sena, likhokahano tsa masela ho telecom leaf node (li-node tsa makhasi tse lokiselitsoeng G.8275.1) li sebetsa ka PTP multicast master mode feela. Sena se tiisa hore li-node tsa makhasi a telecom li se ke tsa koala oache ea tsona ka har'a li-node tsa mokokotlo. Sena se bolela hore phepelo e kholo ea PTP Telecom profile (G.8275.1) ho Cisco ACI e hloka hore node e 'ngoe le e 'ngoe ea lekhasi la telecom e fumane nako ho tsoa likoung tse fapaneng tsa lihokelo.
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Meeli ea PTP

Precision Time Protocol

Meeli ea PTP
Bakeng sa tlhahisoleseding e akaretsang ya tshehetso le ho kenngwa tshebetsong, sheba Software e Tsheheditsweng bakeng sa PTP, leqepheng la 37, Supported Hardware for PTP, leqepheng la 38, le PTP Connectivity, leqepheng la 39. Meeli e latelang e sebetsa ho PTP:
· Cisco Application Centric Infrastructure (ACI) lekhasi le li-switches tsa mokokotlo li ka sebetsa e le lioache tsa moeli oa PTP. Li-switch ha li khone ho sebetsa joalo ka lioache tse bonaletsang tsa PTP.
· Ke feela mokhoa oa ho lieha oa E2E (kopo ea ho lieha / mokhoa oa ho arabela) o tšehetsoeng. Mokhoa oa ho lieha oa P2P ha o tšehetsoe.
· PTP holim'a IPv4/UDP bakeng sa kamehla/Media/SMPTE PTP profiles le PTP holim'a Ethernet bakeng sa Telecom (G.8275.1) PTP profile li tšehelitsoe. PTP holim'a IPv6 ha e tšehetsoe.
· Ke PTPv2 feela e tšehetsoang. · Leha lipakete tsa PTPv1 li ntse li fetisetsoa ho CPU ha PTP e nolofalitsoe ho e 'ngoe ea likou tse ka pele ho switjha ea makhasi, lipakete li tla lahleloa ho CPU.
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Meeli ea PTP

· PTP Management TLVs ha e lemohuoe ke li-switches tsa Cisco ACI, empa li ntse li romelloa joalo ka ha ho hlalositsoe ho IEEE1588-2008 ho tšehetsa SMTPE PTP pro.file.
· PTP e ke ke ea sebelisoa e le oache ea sistimi ea li-switches tsa Cisco ACI.
· PTP ha e tšehetsoe ho Cisco Application Policy Infrastructure Controller (APIC).
· NTP ea hlokahala bakeng sa li-switches tsohle lesela.
· Ho tlosa PTP ha hoa tšehetsoa. Ts'ebetso ena ke ho theola ts'ebetso ea pakete ea PTP ho karete e 'ngoe le e' ngoe ea mohala oa CPU ho modular spine switch bakeng sa scalability e phahameng.
· Ka lebaka la moeli oa hardware, li-interfaces tse nang le lebelo la 1G / 100M li na le ho nepahala ho tlase ho feta li-interface tsa 10G ha ho na le meroalo ea sephethephethe. Ho 5.2 (3) le ho lokolloa hamorao, moeli ona ha o sebetse ho Cisco N9K-C93108TC-FX3P switch bakeng sa lebelo la 1G.
· PTP ha e tšehetsoe ka botlalo ho likhokahano tsa 100M ka lebaka la litokiso tse holimo tsa PTP.
· PTP Telecom profile (G.8275.1) ha e tšehetsoe likoung tse nang le lebelo la 1G/10G.
· Sync le Delay_Request melaetsa e ka ts'ehetsa ho fihlela nako ea -4 (1/16 metsotsoana). Litheko tsa karohano tsa -5 ho ea ho -7 ha li tšehetsoe.
· Bakeng sa likou tse ka pele tsa phanele ea lekhasi, PTP e ka khona ho sebetsa ka sebopeho se seng le se seng le VLAN, empa PTP e lumelloa ka bo eona lihokelong tsohle tse loketseng tsa masela (li-interfaces lipakeng tsa makhasi le mokokotlo, li-switches tsa tier-1 le tier-2 le mahokela a lebang IPN. /ISN) ka mor'a hore PTP e khonehe lefatšeng ka bophara. Lihokelo tse loketseng tsa masela ke lihokelo tseo e leng tsa ftag0 sefate.
· PTP e tlameha ho lumelloa lefatšeng ka bophara hore leaf switch front panels e sebelise PTP. Sena se bolela hore o ka se khone ho lumella PTP ho li-port tsa pele tsa lekhasi ntle le ho nolofalletsa PTP lihokelong tsa masela.
· Tokiso ea PTP e sebelisang tn-mgmt le tn-infra ha e tšehetsoe.
· PTP e ka lumelloa ho sebelisa VLAN e le 'ngoe feela.
· PTP e ke ke ea lumelloa ho sehokelo le VLAN bakeng sa L3Out SVI. PTP e ka nolofalloa ho VLAN e 'ngoe ho sehokelo se tšoanang ho sebelisa EPG.
· Ke li-interface tsa lekhasi feela tse ka hlophisoang e le likou tse kholo tsa unicast. Lihokelo ha li khone ho hlophisoa joalo ka likou tsa bareki ba unicast. Likou tsa Unicast ha li tšehetsoe ho switch ea mokokotlo.
· Puisano ea Unicast ha e tšehetsoe.
· Mokhoa oa Unicast ha o sebetse le PC kapa vPC ha PC kapa vPC e hokahane le sesebelisoa se kang NX-OS, se lokisang PTP likoung tsa setho ka seng.
· PTP le MACsec ha lia lokela ho hlophisoa ka sebopeho se tšoanang.
· Ha PTP e lumelloa lefatšeng ka bophara, ho lekanya ho lieha ha sephethephethe se haola le lesela, Cisco ACI e eketsa Cisco timestamp tagho tsuba (TTag) ho sephethephethe se tlohang sebakeng se le seng sa ACI ho ea sebakeng se seng sa ACI. Sena se fella ka li-byte tse ling tse 8 bakeng sa sephethephethe se joalo. Ka tloaelo, basebelisi ha ba hloke ho nka khato mabapi le ts'ebetsong ena hobane TTag e tlosoa ha lipakete li romeloa ka ntle ho lesela la ACI. Leha ho le joalo, ha setup e na le Cisco ACI Multi-Pod, sephethephethe sa basebelisi se haola le li-pods se tla boloka T.Tag hloohong ea eona e ka hare ea VXLAN. Boemong bo joalo, eketsa boholo ba MTU ka li-byte tse 8 ho ACI spine switch interfaces tse shebileng ho Inter-Pod Network (IPN) hammoho le lisebelisoa tsohle tseo e seng tsa ACI ho IPN. Lisebelisoa tsa IPN ha li hloke ho ts'ehetsa kapa ho tseba ka TTag, joalo ka TTag e kentsoe ka hare ho phallo ea VXLAN.

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· Ha PTP e lumelletsoe lefats'e ka bophara, sephethephethe sa ERSPAN se haola le mokokotlo ho fihla sebakeng sa ERSPAN se tla ba le linako tsa Cisco.amp tagho tsuba (TTag) ka ethertype 0x8988. Ha ho na tšusumetso ho sephethephethe sa basebelisi ba mantlha.
· Ka pel'a li-switches tsa makhasi tse sa tšehetseng PTP, u tlameha ho hokahanya le "Grandmaster" ho li-switches tsohle tsa mokokotlo ho sebelisa IPN kapa ho sebelisa li-switches tsa makhasi tse tšehetsang PTP. Haeba grandmaster e hokahane le e 'ngoe kapa karoloana ea li-switches tsa mokokotlo, melaetsa ea PTP e tsoang mokokotlong e ka thibeloa ke sesebelisoa sa lekhasi se sa tšehetsoeng pele se fihla ho li-switches tse ling ho latela f.tag0 boemo ba sefate. PTP ka har'a li-switches tsa lekhasi le mokokotlo li lumelloa ho latela ftag0, e hahiloeng ka bo eona e ipapisitse le Cisco ACI infra ISIS bakeng sa khokahanyo ea mahala ea li-multicast pakeng tsa li-switches tsohle tsa makhasi le lesapo la mokokotlo ho pod ka 'ngoe.
· Ha PTP Telecom profile e sebelisoa, oache e kholo ea Telecom (T-GM) le oache ea moeli oa Telecom (T-BC) nakoamps e lokela ho ba ka hare ho metsotsoana e 2 hore T-BC e notleloe ka T-GM.
· U ke ke ua lumella PTP ho VLAN e kentsoeng ka har'a sehokelo sa node ea makhasi ho sebelisa kopanyo ea domain ea VMM.

Ho lokisa PTP
PTP Configuration Basic Phallo
Mehato e latelang e fana ka ho fetaview Mokhoa oa ho hlophisa PTP:

Mohato oa 1 Mohato oa 2
Mohato oa 3 Mohato oa 4 Mohato oa 5

Numella PTP lefats'eng ka bophara 'me u hlophise liparamente tsa PTP bakeng sa likhokahano tsohle tsa masela. Bakeng sa PTP Telecom profile (G.8275.1) feela, theha pholisi ea node ea PTP 'me u e sebelise ho pro switchfile ka sehlopha sa pholisi ea switjha. Theha PTP user profile bakeng sa likhokahano tsa phanele e ka pele tlas'a Lesela > Melao ea ho kena > Melao > Lefatše. Numella PTP tlas'a EPG> Static Ports le PTP user profile. Numella PTP tlas'a L3Out> Logical Interface Profile > Sehokelo sa Route kapa Sub-interface le mosebedisi wa PTPfile.

Ho lokisa Leano la PTP Lefatšeng ka Bophara le Bakeng sa Litšebelisano tsa Lesela ho Sebelisa GUI
Ts'ebetso ena e etsa hore protocol ea nako e nepahetseng (PTP) lefats'eng ka bophara le bakeng sa likhokahano tsa masela ho sebelisa Cisco Application Policy Infrastructure Controller (APIC) GUI. Ha PTP e lumelletsoe lefats'e ka bophara, litekanyo tsa morao-rao tsa TEP ho ea ho TEP li tla sebetsa ka bohona.

Mohato oa 1 Mohato oa 2 Mohato oa 3

Ho menu bar, khetha Sistimi> Litlhophiso tsa Sisteme. Fensetereng ea Navigation, khetha PTP le Latency Measurement. Ka Fenstereng ea Mosebetsi, beha thepa ea sebopeho e le e loketseng tlhophiso eo u e batlang. Bonyane, o tlameha ho seta Precision Time Protocol hore e khonehe.
Sheba leqephe la thuso ea inthaneteng bakeng sa tlhahisoleseling mabapi le libaka. Haeba boleng leha e le bofe ba nako eo u bo hlalosang bo le ka ntle ho PTP pro e khethiloengfile maemo a tloaelehileng, tlhophiso e hanoa.
Setšoantšo sa PTPfile, linako, le libaka tsa ho qeta nako li sebetsa ho lihokelo tsa masela. Libaka tse ling li sebetsa ho li-switches tsohle tsa lekhasi le mokokotlo.

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Ho lokisa Pholisi ea Node ea PTP le ho Sebelisa Leano ho Switch Profile Ho Sebelisa Sehlopha sa Pholisi ea Phetoho Ho Sebelisa GUI

Mohato 4 Tobetsa Romela.
Ho lokisa Pholisi ea Node ea PTP le ho Sebelisa Leano ho Switch Profile Ho Sebelisa Sehlopha sa Pholisi ea Phetoho Ho Sebelisa GUI
Leano la node la PTP lea hlokahala bakeng sa li-node tsa makhasi ho tsamaisa PTP Telecom profile (G.8275.1) hobane e sebelisa Alternate BMCA e nang le liparamente tse ling. Hape, sebaka se lumelletsoeng sa nomoro ea domain, bohlokoa ba 1, le 2 ea bohlokoa li fapane le tse ling tsa PTP profiles. U ka sebelisa leano la node ea PTP ho switjha ea lekhasi u sebelisa pro switch ea lekhasifile le sehlopha sa maano.

Hlokomela Bakeng sa media profile deployment, ha ho hlokahale hore u thehe leano la node.

Mohato 1 Mohato 2 Mohato 3 Mohato 4 Mohato 5 Mohato 6 Mohato 7 Mohato 8 Mohato 9
Mohato oa 10
Mohato oa 11 Mohato oa 12
Mohato oa 13 Mohato oa 14 Mohato oa 15 Mohato oa 16

Ho menu bar, khetha Lesela > Maano a ho kena. Fenstereng ya ho tsamaya, kgetha Diphetoho > Diphetoho tsa Lekhasi > Profiles. Tobetsa ka ho le letona ho Profiles ebe u khetha Etsa Leaf Profile. Ho Create Leaf Profile dialog, sebakeng sa Lebitso, kenya lebitso bakeng sa profile. Karolong ea Leaf Selectors, tobetsa +. Kenya lebitso, khetha li-switches, 'me u khethe ho theha sehlopha sa maano. Moqoqong oa Create Access Switch Policy Group, kenya lebitso la sehlopha sa maano. Lethathamong le theohang la Pholisi ea PTP, khetha Theha PTP Node Profile. Ho Theha PTP Node Profile dialog, seta boleng ka moo o batlang ho tlhophiso ya hao.
· Node Domain: Theko e tlameha ho ba pakeng tsa 24 le 43, hammoho. Li-node tsa makhasi a Telecom tse hlokang ho ba ka har'a topology e tšoanang ea PTP li lokela ho sebelisa nomoro ea domain e tšoanang.
· Ntlha ea pele 1: Theko e tlameha ho ba 128.
· Ntlha ea bohlokoa 2: Theko e tlameha ho ba lipakeng tsa 0 le 255, kaofela.
Sheba leqephe la thuso ea inthaneteng bakeng sa tlhahisoleseling mabapi le libaka.
Tobetsa Romela. Theha PTP Node Profile puisano ea koala.
Moqoqong oa Create Access Switch Policy Group, beha melaoana efe kapa efe ka moo o batlang tlhophiso ea hau. Tobetsa Romela. Moqoqo oa Create Access Switch Policy Group oa koala.
Karolong ea Leaf Selectors, tobetsa Update. Tobetsa E latelang. Ho MOHATO 2 > Skrine sa Mekhatlo, amahanya sebopeho sa profiles joalo ka ha o batla. Tobetsa Qetella.

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Ho theha PTP User Profile bakeng sa Leaf Switch Front Panel Ports U sebelisa GUI

Precision Time Protocol

Ho theha PTP User Profile bakeng sa Leaf Switch Front Panel Ports U sebelisa GUI
Mokhoa ona o theha PTP user profile bakeng sa likou tse ka pele tsa lekhasi ho sebelisa Cisco Application Policy Infrastructure Controller (APIC) GUI. Mosebelisi oa PTP profile e sebelisoa ho li-interface tsa lekhasi tse ka pele ho sebelisa EPG kapa L3Out.
Pele o qala O tlameha ho nolofalletsa PTP lefats'eng ka bophara ho sebelisa PTP ho leaf switch front panels tse shebaneng le lisebelisoa tsa kantle.

Mohato oa 1 Mohato oa 2 Mohato oa 3 Mohato oa 4
Mohato oa 5

Ho menu bar, khetha Lesela > Maano a ho kena. Fenstereng ya ho tsamaya, kgetha Maano > Global > PTP User Profile. Tobetsa ka ho le letona ho PTP User Profile ebe u khetha Theha PTP User Profile. Ho Theha PTP User Profile dialog, seta boleng ka moo o batlang ho tlhophiso ya hao.
Sheba leqephe la thuso ea inthaneteng bakeng sa tlhahisoleseling mabapi le libaka. Haeba boleng leha e le bofe ba nako eo u bo hlalosang bo le ka ntle ho PTP pro e khethiloengfile maemo a tloaelehileng, tlhophiso e hanoa.
Tobetsa Romela.

E nolofalletsa PTP ho EPG Static Ports U sebelisa GUI
Ts'ebetso ena e nolofalletsa PTP ho EPG static ports ho sebelisa Cisco Application Policy Infrastructure Controller (APIC) GUI. O ka thusa PTP ka multicast dynamic, multicast master, kapa unicast master mode.
Pele o qala O tlameha ho qala ka ho theha mosebelisi oa PTPfile bakeng sa likou tse ka pele tsa lekhasi le ho thusa PTP lefatšeng ka bophara.

Mohato oa 1 Mohato oa 2 Mohato oa 3 Mohato oa 4
Mohato oa 5

Ho menu bar, khetha Tenants > All Tenants. Fenstereng ya Mosebetsi, tobetsa habedi lebitso la mohiri. Fensetereng ea Navigation, khetha Tenant tenant_name > Application Profiles > app_profile_name > Application EPGs > app_epg_name > Static Ports > static_port_name. Fensetereng ea Mosebetsi, bakeng sa phetoho ea PTP State, khetha Enable. U kanna ua hloka ho tsamaisetsa tlase ho bona PTP State.
Ho hlaha likarolo tse amanang le PTP.
Ntlafatsa likarolo tsa PTP kamoo ho hlokahalang bakeng sa phetisetso ea hau.
* Mokhoa oa PTP: Khetha mastercast e matla, ea multicast, kapa master ea unicast, ka moo ho loketseng.
· Aterese ea Mohloli oa PTP: Lipakete tsa PTP ho tsoa ho sehokelo sena le VLAN li romelloa ka aterese ea IP e boletsoeng joalo ka mohloli. Aterese ea TEP ea lekhasi e sebelisoa ka ho sa feleng kapa ha u kenya "0.0.0.0" e le boleng. Boleng bona ke boikhethelo bakeng sa mokhoa oa multicast. Sebelisa sebaka sa borokho sa SVI kapa EPG SVI bakeng sa mokhoa oa unicast. Aterese ea IP ea mohloli e tlameha ho fihlelleha ka node ea PTP e hokahaneng bakeng sa mokhoa oa unicast.
· PTP User Profile: Khetha mosebelisi oa PTPfile tseo o li entseng bakeng sa likou tse ka pele tsa lekhasi ho hlakisa linako tsa melaetsa.
Sheba leqephe la thuso ea inthaneteng bakeng sa lintlha tse ling mabapi le masimo.

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Ho nolofalletsa PTP ho L3Out Interfaces U sebelisa GUI

Mohato oa 6

Tlhophiso ea boemo ba node e tla pele ho tlhophiso ea boemo ba lesela sebakeng sa node moo PTP Telecom pro.file (G.8275.1) e sebelisoa.
Tobetsa Romela.

Ho nolofalletsa PTP ho L3Out Interfaces U sebelisa GUI
Mokhoa ona o nolofalletsa PTP ho li-interfaces tsa L3Out ho sebelisa Cisco Application Policy Infrastructure Controller (APIC) GUI. O ka thusa PTP ka multicast dynamic, multicast master, kapa unicast master mode.
Pele o qala O tlameha ho qala ka ho theha mosebelisi oa PTPfile bakeng sa likou tse ka pele tsa lekhasi le ho thusa PTP lefatšeng ka bophara.

Mohato oa 1 Mohato oa 2 Mohato oa 3 Mohato oa 4 Mohato oa 5
Mohato oa 6

Ho menu bar, khetha Tenants > All Tenants. Fenstereng ya Mosebetsi, tobetsa habedi lebitso la mohiri. Ka fenstereng ya ho tsamaya, kgetha Tenant_name > Networking > L3Outs > l3out_name > Logical Node Pro.files > node_profile_name > Logical Interface Profiles > interface_profile_lebitso. Fensetereng ea Mosebetsi, khetha Pholisi> Li-interfaces tse tsamaisoang kapa Leano> Li-interfaces tse tsamaisoang, ha ho loketse. Haeba u batla ho nolofalletsa PTP ho L3Out e teng, etsa mehato e latelang: a) Tobetsa habeli sebopeho se lakatsehang ho view thepa ea eona. b) Tsamaisetsa tlase ha ho hlokahala ho fumana thepa ea PTP, beha PTP State ho nolofalletsa, 'me u kenye litekanyetso tse tšoanang le tseo u li hlokang.
e sebelisoang bakeng sa likou tsa EPG static.
Sheba leqephe la thuso ea inthaneteng bakeng sa tlhahisoleseling mabapi le libaka.
c) Tobetsa Romela.
Haeba u batla ho nolofalletsa PTP ho L3Out e ncha, etsa mehato e nyenyane e latelang: a) Tobetsa + ka holimo ka ho le letona la tafole. b) Ho Mohato oa 1 > Boitsebiso, kenya litekanyetso tse loketseng. c) Mohatong oa 2> Lokisa PTP, beha boemo ba PTP ho nolofatsa, 'me u kenye litekanyetso tse tšoanang le tseo u li sebelisitseng bakeng sa EPG static.
likou.
Sheba leqephe la thuso ea inthaneteng bakeng sa tlhahisoleseling mabapi le libaka.
d) Tobetsa Qetella.

Ho lokisa Leano la PTP Lefatšeng ka bophara le Bakeng sa Litšebelisano tsa Lesela le Sebelisa REST API
Ts'ebetso ena e thusa PTP lefats'eng ka bophara le bakeng sa likhokahano tsa masela ho sebelisa REST API. Ha PTP e lumelletsoe lefats'e ka bophara, litekanyo tsa morao-rao tsa TEP ho ea ho TEP li tla sebetsa ka bohona.
Ho lokisa leano la PTP lefatšeng ka bophara le bakeng sa likhokahano tsa masela, romella REST API POST e ts'oanang le e latelangampLe:
PHOSO: /api/mo/uni/fabric/ptpmode.xml

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Ho lokisa Pholisi ea Node ea PTP le ho Sebelisa Leano ho Switch Profile Ho Sebelisa Sehlopha sa Pholisi ea Phetoho Ho Sebelisa REST API

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<latencyPtpMode state=”enabled” systemResolution=”11″ prio1=”255″ prio2=”255″ globalDomain=”0″ fabProfileTemplate=”aes67″ fabAnnounceIntvl=”1″ fabSyncIntvl=”-3″ fabDelayIntvl=”-2″ fabAnnounceTimeout=”3″
/>

# PTP admin state # Latency Resolution (e ka tloloa bakeng sa PTP) # Global Priority1 # Global Priority2 # Global Domain # PTP Profile # Phatlalatsa Nako (2^x sec) # Nako ea Sync (2^x sec) # Nako ea Kopo ea ho lieha (2^x sec) # Phatlalatsa Nako ea Nako

Ho lokisa Pholisi ea Node ea PTP le ho Sebelisa Leano ho Switch Profile Ho Sebelisa Sehlopha sa Pholisi ea Phetoho Ho Sebelisa REST API
Leano la node la PTP lea hlokahala bakeng sa li-node tsa makhasi ho tsamaisa PTP Telecom profile (G.8275.1) hobane e sebelisa Alternate BMCA e nang le liparamente tse ling. Hape, sebaka se lumelletsoeng sa nomoro ea domain, bohlokoa ba 1, le 2 ea bohlokoa li fapane le tse ling tsa PTP profiles. U ka sebelisa leano la node ea PTP ho switjha ea lekhasi u sebelisa pro switch ea lekhasifile le sehlopha sa maano.
PHOSO: /api/mo/uni.xml
<!– Switch Profile –>


<ptpInstPol
dn=”uni/infra/ptpInstP-Telecom_domain24″ lebitso=”Telecom_domain24″ operatingMode=”hybrid” nodeProfile=”telecom_full_path” nodePrio1=”128″ nodePrio2=”128″ nodeDomain=”24″/>
<synceInstPol
dn=”uni/infra/synceInstP-SyncE_QL1″ lebitso=”SyncE_QL1″ qloption=”op1″ adminSt=”e holofetse”/>

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Ho theha PTP User Profile bakeng sa Leaf Switch Front Panel Ports U sebelisa REST API

Ho theha PTP User Profile bakeng sa Leaf Switch Front Panel Ports U sebelisa REST API

Mosebelisi oa PTP profile e sebelisoa ho li-interface tsa lekhasi tse ka pele ho sebelisa EPG kapa L3Out. Hape o tlameha ho nolofalletsa PTP lefats'eng ka bophara ho sebelisa PTP ho likou tse ka pele tsa lekhasi tse shebaneng le lisebelisoa tsa kantle.

Ho theha mosebelisi oa PTP profile, romella REST API POST e ts'oanang le ex e latelangampLe:

PHOSO: /api/mo/uni/infra/ptpprofile- Ptelecomprofile.xml

<ptpProfile lebitso = "Ptelecomprofile”ProfileTemplate=”telecom_full_path” declareIntvl=”-3″ syncIntvl=”-4″ delayIntvl=”-4″ declareTimeout=”3″ annotation="”

# PTP mosebelisi profile lebitso # PTP profile # Phatlalatsa nako (2^x sec) # Nako ea sync (2^x sec) # Nako ea kopo ea tieho (2^x sec) # Phatlalatsa nako ea nako # Senotlolo sa Annotation

ptpoeDstMacType=”forwardable” ptpoeDstMacRxNoMatch=”replyWithCfgMac” localPriority=”128″

(Ke bakeng sa boema-kepe ba Telecom feela) # Sebaka sa MAC bakeng sa melaetsa ea PTP # Ho sebetsana le liphutheloana # Boema-kepe ba lehae bo tlang pele

nodeProfileFeta =”che” />

(Ke feela bakeng sa likou tseo e seng tsa Telecom lekhasi la telecom) # Node profile override

E nolofalletsa PTP ho EPG Static Ports U sebelisa REST API
Pele o ka nolofalletsa PTP ho EPG static ports, o tlameha ho qala ka ho theha PTP user profile bakeng sa likou tse ka pele tsa lekhasi le ho thusa PTP lefatšeng ka bophara. Ho nolofalletsa PTP ho EPG static ports, romela REST API POST e tšoanang le e latelang exampLE: POST: /api/mo/uni/tn-TK/ap-AP1/epg-EPG1-1.xml

Mokhoa oa Multicast
<ptpRsProfile tDn=”uni/infra/ptpprofile-PTP_AES”/>

Lintlha tse ka khonehang bakeng sa parameter ea ptpMode ke tse latelang:
* Multicast: Multicast e matla.
* Multicast-master: Multicast master.

# PTP mode # PTP mosebelisi profile

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E nolofalletsa PTP ho L3Out Interfaces U sebelisa REST API

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Mokhoa oa Unicast
<ptpRsProfile tDn=”uni/infra/ptpprofile-PTP_AES”/>

# PTP mohloli oa IP aterese # PTP mokhoa # PTP mosebedisi profile # Sebaka sa PTP sa unicast
Aterese ea IP

Haeba ptpEpgCfg e le teng, hoo ho bolela hore PTP e lumelletsoe. Haeba PTP e tlameha ho koeteloa sehokelong seo, hlakola ptpEpgCfg.

E nolofalletsa PTP ho L3Out Interfaces U sebelisa REST API
Ts'ebetso ena e thusa PTP ho li-interface tsa L3Out ho sebelisa REST API. Pele o ka nolofalletsa PTP ho li-interface tsa L3Out, o tlameha ho qala ka ho theha mosebelisi oa PTPfile bakeng sa likou tse ka pele tsa lekhasi le ho thusa PTP lefatšeng ka bophara.
Ho nolofalletsa PTP ho li-interface tsa L3Out, romella REST API POST e ts'oanang le mohlala o latelangampLe:
PHOSO: /api/node/mo/uni/tn-TK/out-BGP/lnodep-BGP_nodeProfile/lifp-BGP_IfProfile.xml

Mokhoa oa Multicast
<ptpRsProfile tDn=”uni/infra/ptpprofile-PTP_AES”/>

# PTP mode # PTP mosebelisi profile

Maemo a ka bang teng bakeng sa paramethara ea ptpMode ke a latelang: · multicast: Multicast dynamic. * Multicast-master: Multicast master.

Mokhoa oa Unicast
<ptpRsProfile tDn=”uni/infra/ptpprofile-PTP_AES”/>

# PTP mohloli oa IP aterese # PTP mokhoa # PTP mosebedisi profile # Sebaka sa PTP sa unicast
Aterese ea IP

Haeba ptpRtdEpgCfg e le teng, hoo ho bolela hore PTP e lumelletsoe. Haeba PTP e hloka ho koeteloa sehokelong seo, hlakola ptpRtdEpgCfg.

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PTP Unicast, Multicast, le Mokhoa o Kopantsoeng ho Cisco ACI

PTP Unicast, Multicast, le Mokhoa o Kopantsoeng ho Cisco ACI
Ka mokhoa o ikhethileng, likhokahano tsohle tsa PTP li sebetsa ka mokhoa oa multicast. Ke li-interfaces tse ka pele tsa lekhasi feela tse ka hlophisoang ka mokhoa oa unicast. Ke likou tsa li-unicast feela tse tšehetsoeng; likou tsa bareki ba unicast ha li tšehetsoe.
Setšoantšo sa 1: Multicast kapa Unicast Mode

Mokhoa o tsoakiloeng (setsi sa PTP sa multicast se arabelang ka karabelo ea tieho ea unicast) se tla kengoa tšebetsong ka bohona boema-kepeng bo boholo ba PTP ka mokhoa oa multicast ha boema-kepe bo fumana kopo ea tieho ea unicast. Mokhoa o kopaneng ha e le hantle ke setsebi sa multicast le moreki oa unicast.
Setšoantšo sa 2: Mokhoa o tsoakiloeng
Phetoho e le 'ngoe ea lekhasi e ka ba le likou tse ngata tsa PTP tsa unicast. Nomoro e tšehelitsoeng ea liaterese tsa IP tsa switch switch ea bareki boema-kepeng bo bong le bo bong ba unicast ke 2. Liaterese tse ling tsa IP li ka hlophisoa, empa ha li tšoanelehe. Likou tsa PTP unicast masters le PTP multicast ports li ka hlophisoa ka switch e tšoanang.
Meeli ea Mokhoa oa PTP Unicast ho Cisco ACI
Puisano ea PTP unicast ha e tšehetsoe. Hobane Cisco Application Centric Infrastructure (ACI) ha e na puisano e le 'ngoe ea ho kopa melaetsa eo Cisco ACI e e batlang kapa ho fana ka likopo tseo ho tsoa ho li-node tse ling, Cisco ACI PTP unicast master ports e tla romela melaetsa ea Phatlalatso, Sync, le Follow_Up ka linako tse ling.
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PTP PC le vPC Ts'ebetsong ho Cisco ACI

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e hlophisitsoeng ho sebelisoa Cisco Application Policy Infrastructure Controller (APIC) ntle le ho fumana likōpo leha e le life ho tsoa ho li-client node tsa eona. Unicast Delay_Response melaetsa e romelloa e le karabo ho Delay_Kopo melaetsa e tsoang ho unicast client node. Hobane boema-kepe ba unicast master bo romella melaetsa ea PTP joalo ka Sync ntle le ho mamela likopo tsa unicast, Best Master Clock Algorithm (BMCA) ha e baloe likoung tsa Cisco ACI PTP unicast.
PTP PC le vPC Ts'ebetsong ho Cisco ACI
Bakeng sa liteishene tsa boema-kepe (li-PC) le li-channel tsa port (vPCs), PTP e lumelloa ho PC kapa vPC ho fapana le boema-kepe ba setho. Cisco Application Centric Infrastructure (ACI) ha e lumelle PTP hore e khone ho sebetsa boema-kepeng bo bong le bo bong ba setho sa PC ea motsoali kapa vPC ka bonngoe.

Ha PTP e nolofalitsoe ho Cisco ACI PC kapa vPC, sesebelisoa sa lekhasi se ikhethela boema-kepe ba setho ho tsoa ho PC eo PTP e nolofalitsoeng ho eona. Ha boema-kepe ba setho bo lumelletsoeng ke PTP bo hloleha, switjha ea lekhasi e khetha boema-kepe bo bong ba setho bo ntseng bo le teng. Boemo ba boema-kepe ba PTP bo futsitsoe ho tsoa boema-kepeng ba litho bo lumelletsoeng ke PTP.

Ha PTP e nolofalitsoe boema-kepeng ba Cisco ACI vPC, le hoja vPC e le sephutheloana se utloahalang sa likanale tse peli tsa koung ho li-switches tse peli tsa makhasi, boitšoaro bo tšoana le ha PTP e lumelloa mocha o tloaelehileng oa boema-kepe. Ha ho na ts'ebetsong e tobileng bakeng sa vPC, joalo ka ho lumellana ha tlhahisoleseding ea PTP pakeng tsa li-switches tsa lekhasi la lithaka tsa vPC.
Hlokomela hore Unicast mode ha e sebetse le PC kapa vPC ha PC kapa vPC e hokahane le sesebelisoa se kang NX-OS, se lokisang PTP likoung tsa setho ka seng.
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PTP Packet Filtering le Tunneling

PTP Packet Filtering le Tunneling
PTP Packet Filtering
Ha PTP e sebetsana le lipakete likoung tsa masela 'me PTP e lumelloa lefatšeng ka bophara, li-switches tsohle tsa mokokotlo le makhasi li na le li-filters tse ka hare ho tsamaisa lipakete tsohle tse kenang tsa PTP ho tloha likoung life kapa life tsa masela ho ea ho CPU.
Ha PTP e sebetsana le lipakete likoung tse ka pele tsa phanele mme PTP e nolofalloa bonyane boema-kepe bo ka pele ba lekhasi ho switjha ea lekhasi e fanoeng, switjha ea lekhasi e na le li-filters tse kahare ho tsamaisa lipakete tsohle tse kenang tsa PTP ho tsoa likoung life kapa life tse ka pele. Leha pakete ea PTP e amoheloa ho tsoa boema-kepeng bo ka pele boo PTP e sa lumelloang ho eona, pakete e ntse e haneloa ebe e fetisetsoa ho CPU, ebe e lahloa.
Setšoantšo sa 3: Ho Sefa Pakete Ka Phanele e ka Pele ka Leaf switch Ka PTP-Enabled Front Panel Ports.

Ha PTP e sebetsana le lipakete likoung tse ka pele tsa phanele 'me PTP ha e ea lumelloa ho likoung life kapa life tse ka pele tsa lekhasi ho switjha ea lekhasi e fanoeng, sesebelisoa sa lekhasi ha se na li-filters tsa kahare ho tsamaisa lipakete tsa PTP ho tsoa likoung life kapa life tse ka pele. Haeba pakete ea PTP e amoheloa boema-kepeng bo ka pele ho sesebelisoa se joalo sa lekhasi, sephutheloana se tšoaroa e le pakete e tloaelehileng ea multicast mme e fetisetsoa kapa e tšeloa metsi ho li-switches tse ling tse sebelisang VxLAN. Li-switches tse ling li tla boela li sebetsane le sena e le pakete e tloaelehileng ea li-multicast hobane lipakete tsa PTP tse lokelang ho amoheloa ke Cisco Application Centric Infrastructure (ACI) li-switches ha lia kenngoa VxLAN esita le pakeng tsa lekhasi le mokokotlo oa mokokotlo. Sena se ka baka boits'oaro bo sa lebelloang ba PTP ho li-switches tse ling tsa makhasi tse nang le PTP e lumelletsoeng likoung tse ka pele. Bakeng sa tlhaiso-leseling e batsi, bona Cisco ACI Joalo ka PTP Boundary Clock kapa Tunnel ea PTP-Unaware, leqepheng la 58.
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Cisco ACI Joaloka PTP Boundary Clock kapa Tunnel ea PTP-Unaware

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Setšoantšo sa 4: Ho Sefa Pakete Ka Phanele e ka Pele ka Leaf switch Ntle le PTP-Enabled Front Panel Ports.

Cisco ACI Joaloka PTP Boundary Clock kapa Tunnel ea PTP-Unaware
Lipakete tsa PTP tse tsoang ho switch ea makhasi e se nang likou tsa pele tsa PTP li tletse metsi sebakeng sa borokho. Lipakete li tletse metsi esita le ho ea libakeng tsa PTP sebakeng se le seng sa borokho se lebelletseng hore Cisco Application Centric Infrastructure (ACI) e tla nchafatsa melaetsa ea PTP joalo ka oache ea moeli oa PTP, joalo ka ha ho bonts'itsoe papisong e latelang:
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Cisco ACI Joaloka PTP Boundary Clock kapa Tunnel ea PTP-Unaware

Sena se tla fella ka li-node tsa PTP tse ferekanyang le palo ea eona ea nako ka lebaka la lipakete tsa PTP tse sa lebelloang. Ka lehlakoreng le leng, lipakete tsa PTP tse tsoang ho switjha tsa lekhasi tse nang le likou tse ka pele tsa PTP li lula li haneloa ebile ha ho mohla li kenngoeng le haeba lipakete li amoheloa koung eo PTP e sa lumelloang ho eona. Ka hona, u se ke ua kopanya li-node tsa PTP tse hlokang Cisco ACI hore e be oache ea moeli oa PTP le tse hlokang Cisco ACI ho ba kotopo e sa tsebeng letho ea PTP sebakeng se le seng sa borokho le ka lehlakoreng le le leng la lekhasi. Tokiso e bonts'itsoeng papisong e latelang (sebaka se fapaneng sa borokho, switjha e fapaneng ea lekhasi) e ea tšehetsoa:
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PTP le NTP

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PTP le NTP
Li-switches tsa Cisco Application Centric Infrastructure (ACI) li sebetsa e le lioache tsa moeli oa PTP ho fana ka oache e nepahetseng ho tloha ho grandmaster ho ea ho bareki ba PTP. Leha ho le joalo, li-switches tsa Cisco ACI le Cisco Application Policy Infrastructure Controllers (APICs) ha li khone ho sebelisa lioache tseo tsa PTP e le oache ea tsona ea tsamaiso. Li-switches tsa Cisco ACI le Cisco APICs li ntse li hloka seva sa NTP ho ntlafatsa oache ea bona ea sistimi.
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Netefatso ea PTP

Tlhokomeliso Hore PTP e sebetse ka nepo le kamehla ho Cisco ACI, NTP e tlameha ho hlophisoa bakeng sa li-switches kaofela ho boloka oache ea bona ea sistimi e nepahetse joalo ka setloholo sa PTP ka tatellano ea 100 ms. Ka mantsoe a mang, oache ea sistimi e tlameha ho ba le phapang e ka tlase ho 100 ms ha e bapisoa le setloholo sa PTP.

Netefatso ea PTP

Kakaretso ea Litaelo tsa PTP Verification CLI U ka kena ho e 'ngoe ea li-switches tsa makhasi le litaelo tse latelang ho netefatsa tlhophiso ea PTP:

Taelo

Morero

bonts'a ptp port interface slot/port

E bonts'a liparamente tsa PTP tsa sebopeho se ikhethileng.

bonts'a ptp e khuts'oane

E bonts'a boemo ba PTP.

bonts'a oache ea ptp

E bonts'a litšobotsi tsa oache ea lehae, ho kenyeletsoa le boitsebiso ba oache.

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Netefatso ea PTP

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Taelo

Morero

bonts'a ptp motsoali

E bonts'a thepa ea motsoali oa PTP.

bonts'a rekoto ea ptp oache kantle ho naha

E bonts'a boemo ba masters a tsoang kantle ho naha a tsejoang ke ts'ebetso ea PTP. Bakeng sa mong'a e mong le e mong ea tsoang kantle ho naha, tlhahiso e bonts'a boitsebiso ba oache, thepa ea mantlha ea oache, le hore na oache e sebelisoa joalo ka grandmaster.

show ptp counters [tsohle |interface Ethernet slot/port] Bontša libabano tsa lipakete tsa PTP bakeng sa likhokahano tsohle kapa sebopeho se itseng.

bonts'a litokiso tsa ptp

E bonts'a litokiso tsa ho qetela tsa PTP.

E bonts'a Litaba tsa Boema-kepe ba PTP

E latelang exampLe e bonts'a lintlha tsa port interface:

f2-leaf1# vsh -c 'show ptp port int e1/1'

PTP Port Dataset: Eth1/1

Boitsebiso ba boema-kepe: boitsebiso ba oache: 00:3a:9c:ff:fe:6f:a4:df

Boitsebiso ba boema-kepe: nomoro ea boema-kepe: 0

Phetolelo ea PTP: 2

Sebaka sa boema-kepe: Monghali

Lintlha tsa VLAN: 20

<— Melaetsa ya PTP e romelwa ho PI-VLAN ena

Nako ea ho lieha ho etsa kopo(lengolo le bolela): -2

Phatlalatsa nako ea ho fumana chelete: 3

Ho lieha ha tsela ea lithaka: 0

Phatlalatso nako(loto moelelo): 1

Nako ea sync(se boleloang ke tlaleho): -3

Mechanism ea ho lieha: Qetello ea ho Qetela

Litšenyehelo: 255

Sebaka: 0

E latelang exampe bonts'a tlhahisoleseling bakeng sa VLAN e boletsoeng:

f2-leaf1# show vlan id 20 e atolositsoe

Lebitso la VLAN

Encap

Boema-kepe

—-——————————————————————————

20 TK:AP1:EPG1-1

vlan-2011

Eth1/1, Eth1/2, Eth1/3

Bontša Boemo ba Boema-kepe ba PTP Mehlala e latelangample e bonts'a mofuta o mokhuts'oane oa boemo ba port:
f2-leaf1# bonts'a ptp e khuts'oane

Boemo ba boema-kepe ba PTP

————————————–

Boema-kepe

Naha

————————————

Eth1/1

Monghadi

Eth1/51

Feseha

Eth1/52

Lekhoba

Bontša Tlhahisoleseding ea Phetoho ea PTP Mehlala e latelangampLe e bonts'a mofuta o khuts'oane oa boemo ba switch:

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Netefatso ea PTP

f2-leaf1# show ptp clock PTP Sesebediswa Mofuta : boundary-clock PTP Device Encapsulation : layer-3 PTP Mohloli oa IP Aterese : 20.0.32.64
Identity : 00:3a:9c:ff:fe:6f:a4:df
Clock Domain: 0 Slave Clock Operation : Two-step Master Clock Operation : Two-step Slave-only Clock Mode : Disabled Number of PTP ports: 3 Configured Priority1 : 255 Priority1 : 255 Priority2 : 255 Clock Quality:
Sehlopha : 248 Accuracy : 254 Offset (log variance) : 65535 Offset From Master : -8
Nako e Bolelang ea ho Lieha: 344
Mehato e tlositsoeng: 2
Letoto la ho lokisa : 100000 MPD Letoto : 1000000000 Nako ea oache ea lehae : Thu Jul 30 01:26:14 2020 Tokiso ea maqhubu a Hardware : NA

<- Fetola TEP. Joalo ka router-id. Sena ha se Aterese ea Mohloli oa PTP eo u e lokiselitseng boema-kepe bo bong le bo bong.
<- ID ea oache ea PTP. Haeba node ena e le grandmaster, ID ena ke ID ea motlotsuoa.
<— -8 ns. phapang ea oache ho tsoa ho motsoali ea haufi haholo (monghali)
<- 344 ns. Ho lieha ho bolela ho lekanngoa ka mochine oa E2E.
<- 2 mehato. 2 PTP BC nodes pakeng tsa grandmaster.

Ho bontša Ntate-moholo le Motsoali (Monghali) Tlhahisoleseding e latelang exampe bonts'a tlhahisoleseling ea ntate-moholo oa PTP le motsoali (monghali):
f2-leaf1# bontša ptp motsoali

PTP MOTSOALI MATLA

Tshupanako ya Motswadi: Boitsebiso ba Tshupanako ya Motswadi: 2c:4f:52:ff:fe:e1:7c:1a Nomoro ya Boemakepe ba Botswadi: 30 Observed Parent Offset (phapang ya log): Ha N/A E Shebileng Tekanyo ya Phetoho ya Mokhahlelo wa Motswadi wa Tshupanako: Ha ho

<- motsoali ea haufi haholo (monghali)

IP ea Motsoali: 20.0.32.65
Grandmaster Clock: Grandmaster Clock Identity: 00:78:88:ff:fe:f9:2b:13 Grandmaster Clock Quality:
Sehlopha: 248 Ho nepahala: 254 Offset (phapang ea log): 65535 Ntlha ea Pele1: 128 Pele-pele2: 255

<— aterese ea IP ea motsoali ea haufi haholo
<— GM <- Boleng ba GM

E latelang exampLe e bonts'a lirekoto tsa oache e kholo ea PTP ea kantle ho naha:

f2-leaf1# bonts'a ptp oache ea masters ea kantle ho naha

P1=Bohlokoa1, P2=Bohlokoa2, C=Sehlopha, A=Ho Nepaha, OSLV=Offset-Scaled-Log-Variance, SR=Mehato-E tlositsoe GM=Ke grandmaster

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Precision Time Protocol

——–Sehokelo ———

———————————————————–

ID ea oache

P1 P2 C

Setšoantšo sa OSLV SR

———————————————————–

Eth1/51 c4:f7:d5:ff:fe:2b:eb:8b Eth1/52 2c:4f:52:ff:fe:e1:7c:1a

128 255 248 254 65535 1 128 255 248 254 65535 1

Sephetho se bonts'a lioache tse kholo tse romellang tlhaiso-leseling ea grandmaster ho switch le sebopeho se hokahaneng sa switch. ID ea oache mona ke ID ea master e haufi haholo. ID ha se ID ea ntate-moholo. Hobane sesebelisoa sena se amohela data ea grandmaster ho tsoa likoung tse peli tse fapaneng, e 'ngoe ea likou e ile ea fetoha feela.

Ho bontša Libali tse latelang example e bonts'a li-counters tsa master port:
f2-leaf1# bontša ptp counters int e1/1

PTP Packet Counters of Interface Eth1/1:

——————————————————————-

Mofuta oa Pakete

TX

RX

—————- ———————————————–

Phatlalatsa

4

0

Sync

59

0

Tšalo-morao

59

0

Kopo ea ho lieha

0

30

Lieha Karabelo

30

0

Kopo ea PDelay

0

0

PDelay Response

0

0

PDelay Tracking

0

0

Tsamaiso

0

0

A master port e lokela ho romela melaetsa e latelang:

· Phatlalatsa

· Sync

· Tšalo-morao

· Lieha karabelo

Sebaka sa boema-kepe se tlameha ho fumana molaetsa o latelang: · Delay Request

E latelang exampLe e bonts'a li-counter port tsa bareki:
f2-leaf1# bontša ptp counters int e1/52

PTP Packet Counters of Interface Eth1/52:

——————————————————————-

Mofuta oa Pakete

TX

RX

—————- ———————————————–

Phatlalatsa

0

4

Sync

0

59

Tšalo-morao

0

59

Kopo ea ho lieha

30

0

Lieha Karabelo

0

30

Kopo ea PDelay

0

0

PDelay Response

0

0

PDelay Tracking

0

0

Tsamaiso

0

0

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Melaetsa e rometsoeng le e amoheloang e fapane le boema-kepe bo boholo. Bakeng sa mohlalaample, haeba Rx of Delay Request le Tx of Delay Response e le zero boema-kepeng bo boholo, lehlakore le leng ha lea hlophisoa kapa ha le sebetse joalo ka moreki ka nepo kaha moreki o lokela ho qala Kopo ea Delay bakeng sa mochini oa ho lieha oa E2E. Lefatšeng la 'nete, tlhaiso-leseling ea counter e kanna ea se hloeke joalo ka ea khaleample, hobane boemo ba boema-kepe bo kanna ba fetoha nakong e fetileng. Boemong bo joalo, hlakola li-counters ka taelo e latelang:
f2-leaf1# clear ppt counters kaofela
Ela hloko K'haontara ea PDelay_xxx ke ea mochine oa P2P, o sa tšehetsoeng ke Cisco Application Centric Infrastructure (ACI).

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4 KHAOLO
Synchronous Ethernet (SyncE)
· About Synchronous Ethernet (SyncE), leqepheng la 67 · Guidelines and Limitations for SyncE, leqepheng la 68 · Configuring Synchronous Ethernet, leqepheng la 69 · QL Mapping with ACI Configuration Options, leqepheng la 72
Mabapi le Synchronous Ethernet (SyncE)
Ka lisebelisoa tsa Ethernet butle-butle li nkela sebaka sa Synchronous Optical Networking (SONET) le Synchronous Digital Hierarchy (SDH) lisebelisoa tsa marang-rang a fanang ka litšebeletso, ho lumellana ha maqhubu hoa hlokahala ho fana ka khokahano ea oache ea boleng bo holimo holim'a likoung tsa Ethernet. Khafetsa kapa khokahano ea nako ke bokhoni ba ho aba maqhubu a nepahetseng ho potoloha marang-rang. Moelelong ona, nako e bolela makhetlo a nepahetseng, eseng nako e nepahetseng ea letsatsi. Synchronous Ethernet (SyncE), e hlalositsoeng ho ITU G.781, e fana ka khokahano e hlokahalang boemong ba 'mele. Ho SyncE, lihokelo tsa Ethernet li hokahanngoa ka ho beha nako ea lioache tse nyane ho tsoa ho matšoao a oache a boleng bo holimo, a stratum-1-traceable ka mokhoa o ts'oanang le oa SONET/SDH. Ho boloka lihokelo tsa SyncE, ho hlokahala sete ea melaetsa ea tšebetso. Melaetsa ena e netefatsa hore node e lula e fumana leseli la nako ho tsoa mohloling o tšepahalang ka ho fetesisa ebe e fetisetsa tlhahisoleseling ea boleng ba mohloli oa nako ho koala sehokelo sa SyncE. Ho marang-rang a SONET/SDH, ana a tsejoa e le Melaetsa ea Boemo ba Kamahanyo (SSMs). SyncE e sebelisa Ethernet Synchronization Message Channel (ESMC) ho fana ka lipalangoang bakeng sa li-SSM. Bareki ba sebelisang marang-rang a pakete ba fumana ho le thata ho fana ka nako ho likarolo tse ngata tsa marang-rang tse hole (NEs) ka potoloho ea karohano ea nako e kantle ea multiplexed (TDM). Karolo ea SyncE e thusa ho hlola bothata bona ka ho fana ka nako e sebetsang ho li-NE tse hole ka marang-rang a liphutheloana. SyncE e hokahanya maqhubu a oache boema-kepeng ba Ethernet, e sebelisa karolo ea 'mele ea Ethernet ho fetisetsa maqhubu libakeng tse hole. Ts'ebetso le ho nepahala ha SyncE ho tšoana le marang-rang a SONET/SDH ka lebaka la sebopeho sa eona sa 'mele. SONET / SDH sebelisa li-bits tse 4 ho tloha ho li-byte tse peli tsa S ka holim'a foreimi ea SONET / SDH bakeng sa ho fetisa molaetsa. Ethernet e its'etleha ho ESMC e ipapisitseng le IEEE 802.3 tsamaiso e iketlileng ea mokhatlo bakeng sa phetiso ea molaetsa. NE e 'ngoe le e 'ngoe e haufi le tsela ea kamahanyo e tšehetsa SyncE, 'me SyncE e fana ka makhetlo a mangata tseleng. SyncE ha e tšehetse nako e lekanyelitsoeng (mohlalaample, ho tsamaisana le mekhahlelo) kapa nako e felletseng (Nako ea Letsatsi). SyncE e fana ka kabo ea sekhahla sa marang-rang ea Ethernet (ETY) ea litšupiso tse tsebahalang tse tloaelehileng tsa ho nepahala. Lioache tse sebelisoang ho SyncE li tsamaisana le lioache tse sebelisoang ho SONET/SDH
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Tataiso le Meeli bakeng sa SyncE

Synchronous Ethernet (SyncE)

netweke ya kamahanyo. Ho fihlella kamahanyo ea marang-rang, tlhahisoleseling ea kamahanyo e fetisoa ka marang-rang ka likhokahano tsa marang-rang tse nang le ts'ebetso ea oache ea egress.
ESMC e na le sekhetho sa Boemo ba Boleng (QL) se supang boleng ba nako ba tsela ea khokahano. Maemo a QL ho QL-TLV a tšoana le a QL a hlalosoang bakeng sa SONET le SDH SSM. Tlhahisoleseding e fanoeng ke SSM QL nakong ea phetisetso ea marang-rang e thusa node ho fumana nako ho tsoa mohloling o ka tšeptjoang ka ho fetisisa le ho thibela loops ea nako. ESMC e sebelisoa le li-algorithms tsa khetho ea khokahano. Hobane marang-rang a Ethernet ha a hlokehe hore a lumellane le lihokelo tsohle kapa libakeng tsohle, mocha oa ESMC o fana ka ts'ebeletso ena. ESMC, e hlalositsoeng ho G.8264, e entsoe ka sehlooho se tloaelehileng sa Ethernet bakeng sa protocol e tsamaeang butle e khethehileng ea mokhatlo; ITU-T OUI, mofuta o itseng oa ITU-T; hlooho e khethehileng ea ESMC; lebala la folakha; le sebopeho sa mofuta, bolelele, boleng (TLV). Tšebeliso ea lifolakha le TLV e ntlafatsa tsamaiso ea lihokelo tsa SyncE le phetoho ea nako e amanang le eona.
Mehloli le Lintlha tsa Khetho
Ts'ebetsong ea Kamano ea Maqhubu e kenyelletsa Mehloli le Lintlha tsa Khetho.
Mohloli o kenya matshwao a maqhubu ho sistimi kapa o a fetisetsa ho tsoa ho sistimi. Ho na le mefuta e mene ea mehloli:
· Mahokelo a mela, ho kenyeletsoa le li-interface tsa SyncE.
· Likopano tsa oache. Tsena ke lihokelo tsa kantle tsa ho hokahanya mats'oao a mang a nako, joalo ka BITS, UTI le GPS.
· PTP oache. Haeba IEEE 1588 version 2 e hlophisitsoe ho router, oache ea PTP e ka ba teng bakeng sa ho hokahanya ha maqhubu e le mohloli oa nako ea letsatsi le maqhubu.
· Oscillator ka hare. Ena ke chip ea ka hare ea oscillator ea mahala.
Mohloli o mong le o mong o na le Boemo ba Boleng bo amanang (QL), bo hlalosang ho nepahala ha oache. Lintlha tsena tsa QL li fetisoa marang-rang ho sebelisa li-SSM tse tsamaisoang ke ESMC. Tlhahisoleseding ea QL e sebelisoa ho fumana mohloli o molemo ka ho fetisisa o fumanehang oo lisebelisoa tsa tsamaiso li ka hokahanyang ho oona.
Ho hlalosa phallo e boletsoeng esale pele ea khokahano ea marang-rang le ho thibela loops ea nako, o ka fana ka boleng ba mantlha mohloling o mong le o mong o switch. Ha mehloli e fetang e le 'ngoe e na le QL e tšoanang, boleng ba bohlokoa bo fanoeng ke basebelisi bo lekanya khetho e lekanyelitsoeng har'a mehloli.
Sebaka sa khetho ke ts'ebetso ka har'a switch moo khetho e etsoang lipakeng tsa matšoao a mangata a fumanehang. Motswako wa tlhahisoleseding ya QL le maemo a tlang pele ao mosebedisi a a abetsweng a dumella switjha e nngwe le e nngwe ho kgetha mohlodi bakeng sa ho amahanya dikgokahano tsa yona tsa SyncE, jwaloka ha ho hlalositswe ho ITU standard G.781.
Tataiso le Meeli bakeng sa SyncE
SyncE e na le litataiso tse latelang tsa tlhophiso le meeli:
· SyncE e tšehetsoa ho N9K-C93180TC-FX3 switch.
· SyncE e ka sebelisoa feela likoung tse ka pele tsa metsi. Sehokelo se ka fetoloa, sa tsamaisoa, kapa sa subinterface.
SyncE ha e tšehetsoe ho SVI kapa litho tsa eona.
· SyncE e ka sebelisoa feela likoung tse ka pele tsa metsi. Sehokelo se ka fetoloa, kapa sebopeho sa 'mele se tsamaisoang, kanale ea port, kapa subinterface.

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Ho lokisa Synchronous Ethernet

· SyncE ho virtual port channel (vPC) le li-interface tsa li-port lia tšehetsoa. Ha o nolofaletsa SyncE likhokahanong tsena, SyncE e lokisoa ho latela vPC kapa kanale ea boema-kepe 'me e nolofaletsoa lihokelong tsohle tsa litho tsa eona. Ho nolofalletsa SyncE ka vPC kapa sehokelo sa setho sa port channel ha hoa tšehetsoa.
· SyncE ha e tšehetsoe likoung tsa masela.
· Ha re khothaletse ho lokisa SyncE boema-kepeng boo e seng ba masela bo hoketsoeng ho switjha e 'ngoe ea makhasi.
· Kabo ea lehae ea SyncE ea tšehetsoa. Ena ke boemo boo mohloli oa litšupiso le moreki ba leng ho switjha e le 'ngoe ea lekhasi. Phetoho ea lekhasi e ka ba ka har'a pod kapa sesebelisoa sa lekhasi se hole.
· SyncE e tšehetsoa ho peer-link lipakeng tsa li-switches tse peli tse hole tsa makhasi.
· Hybrid mode e nang le Precision Time Protocol (PTP) e tšehetsoa bakeng sa telecom profile ITU-T G8275.1.
* Swichi e ka hlokomela boholo ba mehloli e mene ea downlink SyncE. Phetoho e ka notlela ho o mong oa mehloli ena.
· Sehlopha se seng le se seng sa quad port ho PHY se fana ka oache e le 'ngoe ea litšupiso. Bakeng sa mohlalaampLe, switjha ea lekhasi e khona ho beha leihlo le ho notlela mohloling o le mong ha likhokahano tsa 1/1 ho isa ho 1/4 li hokahantsoe le mehloli e mene e fapaneng.
· SSM e atolositsoeng kapa sebopeho se atolositsoeng sa QL TLV ha se tšehetsoe.
· GPS le GNSS ha li tšehetsoe.
· SyncE e tšehetsoa ho li-optics tsohle tse tšoanelehang ntle le copper Gigabit Ethernet SFPs.

Ho lokisa Synchronous Ethernet
Ho nolofalletsa SyncE ho switjha lekhasi, o tlameha ho theha mekhahlelo e 'meli ea leano:
· Leano la boemo ba node le nolofaletsa tšebetso ea SyncE lehlakung kapa ho switjha lekhasi le ka thōko. Leano lena le hlakisa maemo a lefats'e a Boleng (QL) a kgetho bakeng sa node ea SyncE.
· Leano la boemo ba sebopeho se hlophisang thepa ea SyncE sehokelong. Leano lena le ka boela la etsa hore boemo ba QL bo fetelle ka ho khetheha ho sebopeho. Khetho ea QL ho leano la sebopeho e lokela ho lumellana le khetho ea QL ho leano la boemo ba node.

Ho theha Leano la Synchronous Ethernet Node
Mokhoa ona o theha leano la tlhophiso ea boemo ba node bakeng sa SyncE.

Mohato oa 1 Mohato oa 2 Mohato oa 3 Mohato oa 4

Ho menu bar, khetha Lesela > Maano a ho kena. Fenstereng ya ho tsamaya, kgetha Maano > Switjha > Synchronous Ethernet Node. Tobetsa ka ho le letona ho Synchronous Ethernet Node ebe u khetha Theha Leano la Node la Synchronous Ethernet. Ka lebokoseng la puisano la Thepa Synchronous Ethernet Node Policy, tlatsa mehato e latelang: a) Kenya Lebitso bakeng sa pholisi. b) Kenya Tlhaloso ea leano. c) Beha taolo ea Naha ea Admin ho e ka ba E nolofalitsoe ho kenya leano kapa Ho holofetse (kamehla) ho tima pholisi. d) Lethathamong la ho theoha ha QL Option, khetha boemo ba boleng.

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Ho theha Leano la Synchronous Ethernet Interface

Synchronous Ethernet (SyncE)

Khetha e 'ngoe ea likhetho tse latelang tsa ITU-T Quality Level (QL): · Khetho ea 1: E kenyelletsa DNU, EEC1, PRC, PRTC, SEC, SSU-A, SSU-B, eEEC le ePRTC.
· Khetho ea 2 moloko oa 1: E kenyelletsa DUS, EEC2, PRS, PRTC, RES, SMC, ST2, ST3, ST4, STU, eEEC le ePRTC.
· Khetho ea 2 moloko oa 2: E kenyelletsa DUS, EEC2, PROV, PRS, PRTC, SMC, ST2, ST3, ST3E, ST4, STU, TNC, eEEC le ePRTC.
Hlokomela Likhetho tse Atolositsoeng tsa SSM QL PRTC, eEEC, le ePRTC ha li tšehetsoe. Stratum 4 freerun (ST4) ha e tšehetsoe ho li-interface tsa Ethernet.
Bakeng sa lintlha tse mabapi le 'mapa oa QL bakeng sa likhetho tsena, sheba QL Mapping with ACI Configuration Options, leqepheng la 72. Ela hloko Khetho ea Boemo ba Boleng hangata e lokisoa mona ho fapana le boemong ba sebopeho. Haeba e hlophisitsoe ho
boemo ba sehokelo, khetho ea QL moo e tlameha ho ts'oana le QL e khethiloeng mona.
e) (Boikhethelo) Ho qala ka tokollo ea 5.2(4), nolofalletsa karolo ea Transmit DNU ho Litho tsa Lag. Ha khetho ena e buletsoe nodeng 'me e 'ngoe ea likou tsa litho tsa boema-kepe e notletsoe e le mohloli oa SyncE, likou tse ling tsa litho li romela QL-DNU (U se ke Ua Sebelisa) li sebelisa melaetsa ea SyncE ESMC ho thibela mathata a ka bang teng nakong ea ho khetha boema-kepe ba SyncE. . Sebopeho sena se nolofalletsa ho lumellana le ts'ebetso ea 11.1.1 ESMC le ho kopanya lihokelo ho G.8264.
f) Tobetsa Romela.

Seo u lokelang ho se etsa ka mor'a moo
Eketsa pholisi ho Sehlopha sa Leano la Phetoho ea Phihlelo ho Lesela> Maano a ho fihlella> Liphetoho> Liphetoho tsa Lekhasi> Lihlopha tsa Leano.
Ho theha Leano la Synchronous Ethernet Interface
Ts'ebetso ena e theha leano la tlhophiso ea boemo ba sehokelo bakeng sa Synchronous Ethernet (SyncE). Leano la segokanyimmediamentsi sa SyncE le o dumella ho lokisa sehokelo sa Ethernet e le sehokelo le sephetho sa kamahanyo ya maqhubu. Ho lokisa sehokelo e le ho kenya letsoho (ho sebelisa Selection Input) ho lumella sebopeho hore se fetisetsoe ho algorithm ea khetho ho nkuoa e le mohloli oa nako bakeng sa khokahano ea khafetsa. Haeba sebopeho se notletsoe hore se kene, sebopeho se tla lula se fetisa se hokahaneng le leqhubu le khethiloeng.

Mohato oa 1 Mohato oa 2 Mohato oa 3 Mohato oa 4

Ho menu bar, khetha Lesela > Maano a ho kena. Ka fenstereng ya ho tsamaya, kgetha Maano > Seboka > Sehokelo sa Ethernet sa Synchronous. Tobetsa ka ho le letona Sehokelo sa Synchronous Ethernet ebe u khetha Theha Leano la Sehokelo sa Synchronous Ethernet. Ka lebokoseng la puisano la Create Synchronous Ethernet Interface Policy, tlatsa mehato e latelang: a) Kenya Lebitso bakeng sa pholisi. b) Kenya Tlhaloso ea leano. c) Beha taolo ea Naha ea Admin ho e ka ba E nolofalitsoe ho kenya leano kapa Ho holofetse (kamehla) ho tima pholisi. d) Sheba kapa o tlose ho hlahloba lebokose la ho hlahloba la Molaetsa oa Boemo ba Kamahanyo.

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Ho theha Leano la Synchronous Ethernet Interface

Haeba e sa hlahlojoe, e thibela ho romela lipakete tsa ESMC hape e hlokomoloha lipakete life kapa life tse amoheloang tsa ESMC. Lebokose lena la tlhahlobo le khethiloe ka ho sa feleng.
e) Sheba kapa u se ke oa tšoaea lebokose la ho hlahloba la Selection Input. Haeba e khethiloe, e fana ka sebopeho e le mohloli oa nako o lokelang ho fetisetsoa ho algorithm ea khetho. Lebokose lena la tlhahlobo ha le hlahlojoe ka ho sa feleng.
f) Tobetsa li-control tse holimo kapa tse tlase ho beha Bohlokoa ba Mohloli. Bohlokoa ba mohloli oa maqhubu ho sehokelo. Boleng bona bo sebelisoa ho algorithm ea khetho ea oache ho khetha lipakeng tsa mehloli e 'meli e nang le QL e tšoanang. Litekanyetso li ka tloha ho 1 (ea bohlokoa ka ho fetisisa) ho ea ho 254 (e leng ea bohlokoa ka ho fetisisa). Boleng ba kamehla ke 100. Hlokomela Setting ena e sebetsa ha feela Mokgwa wa ho Khetha o hlahlobilwe.
g) Tobetsa li-control tsa holimo kapa tse tlase ho beha nako ea Wait-To-Restore ka metsotso. Nako ea ho leta-ho khutlisetsa, ka metsotso, ke nako e ngata ka mor'a hore sebopeho se hlahe pele se sebelisoa bakeng sa ho hokahanya ha maqhubu ho sebopeho. Boleng bo ka tloha ho metsotso e 0 ho isa ho e 12. Boleng ba kamehla ke 5. Ela Hloko Setting ena e sebetsa ha feela Selection Input e hlahlobiloe.
h) Lethathamong la ho theoha ha Quality Level Option, khetha boemo ba boleng (QL). Peakanyo ena e o dumella ho hlakisa kapa ho hlakola Boemo ba Boleng (QL) bo amohetsweng kapa bo fetisoang boemong ba sebopeho. Likhetho tsa Boemo ba Boleng ba ITU-T ke: · Ha ho Boemo ba Boleng bo hlophisitsoeng: (Default) QL e amohetsoeng ho tsoa mohloling o hokahaneng ka ESMC e sebelisetsoa ho hokahanya khafetsa.
· Khetho ea 1: E kenyelletsa DNU, EEC1, PRC, PRTC, SEC, SSU-A, SSU-B, eEEC le ePRTC.
· Khetho ea 2 moloko oa 1: E kenyelletsa DUS, EEC2, PRS, PRTC, RES, SMC, ST2, ST3, ST4, STU, eEEC le ePRTC.
· Khetho ea 2 moloko oa 2: E kenyelletsa DUS, EEC2, PROV, PRS, PRTC, SMC, ST2, ST3, ST3E, ST4, STU, TNC, eEEC le ePRTC.
Hlokomela Likhetho tse Atolositsoeng tsa SSM QL PRTC, eEEC, le ePRTC ha li tšehetsoe. Stratum 4 freerun (ST4) ha e tšehetsoe ho li-interface tsa Ethernet.
Bakeng sa lintlha tse mabapi le 'mapa oa QL bakeng sa likhetho tsena, sheba QL Mapping e nang le Likhetho tsa Tlhophiso tsa ACI, leqepheng la 72.
i) Haeba o khethile Kgetho ya Boemo ba Boleng, o ka hlophisa e nngwe kapa bobedi ba boleng ba Boleng ba Receive le Quality Transmit. Boleng ba ho Fumana boleng bo u lumella ho feta boleng ba QL bo amohetsoeng melaetsa ea SSM, e sebelisoang ho algorithm ea khetho. Likhetho ke tse latelang: · Boleng bo nepahetseng: Sebelisa QL e nepahetseng, ho sa natsoe boleng bo amohetsoeng, ntle le haeba boleng bo amohetsoeng ke U se ke Ua Sebelisa (DNU).
· Boleng bo Phahameng ka ho Fetisisa: E beha moeli o ka holimo ho QL e amohetsoeng. Haeba boleng bo amohetsoeng bo le holimo ho QL ena e boletsoeng, ho sebelisoa QL ena.
· Boleng bo tlase ka ho Fetisisa: E beha moeli o tlase ho QL e amohetseng. Haeba boleng bo amohetsoeng bo le tlase ho feta QL ena e boletsoeng, ho sebelisoa DNU sebakeng sa eona.
Litekanyetso tsa Quality Transmit li u lumella ho feta boleng ba QL bo lokelang ho fetisoa melaetsa ea SSM. Likhetho ke tse latelang:

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Mohato oa 5

· Boleng bo nepahetseng: Sebelisa QL e nepahetseng ntle le haeba U se ke Ua Sebelisa (DNU) e ka romeloa.
· Boleng bo Phahameng ka ho Fetisisa: E beha moeli o kaholimo ho QL e tla romelloa. Haeba mohloli o khethiloeng o na le QL e holimo ho feta QL e boletsoeng mona, QL ena e tla romelloa.
· Boleng bo tlase ka ho Fetisisa: E beha moeli o tlase ho QL e tla romelloa. Haeba mohloli o khethiloeng o na le QL e tlase ho feta QL e boletsoeng mona, DNU e tla romeloa.
Hlokomela Likhetho tsa boleng tse boletsoeng litlhophisong tsena li tlameha ho lumellana le khetho ea QL e hlophisitsoeng ho Synchronous Ethernet Node Policy bakeng sa switch.
Tobetsa Romela.

Seo u lokelang ho se etsa ka mor'a moo
Eketsa pholisi ho Sehlopha sa Leano la Leaf Access Port ho Lesela> Maano a Phihlello> Li-interfaces> Li-interfaces tsa Lekhasi> Lihlopha tsa Leano> Leaf Access Port.

QL 'mapa e nang le likhetho tsa ACI Configuration
Litafole tse latelang li thathamisitse boemo ba boleng ba clock-source (QL) ho peakanyo ea leano la Ethernet e lumellanang.
Bakeng sa lintlha tse mabapi le likhetho tsena tsa QL, sheba ITU-T G.781, Synchronization layer function for frequency synchronization ho ipapisitsoe le lera la 'mele.

ITU-T Option 1 Quality Transmit/Receive Value Letšoao lena ha lea lokela ho sebelisoa bakeng sa kamahanyo Boleng bo tloaelehileng bo hlolehile.
Boleng bo tloaelehileng ha bo sebetse
Boleng bo tloaelehileng ha bo na ITU-T Khetho ea 1: Oache ea lisebelisoa tsa Ethernet ITU-T Khetho ea 1: Oache ea lisebelisoa tsa Ethernet e ntlafalitsoeng

Boemo ba Boleng
QL-DNU QL-FAILED (sheba Lintlha) QL-INVx (sheba Lintlha) (bona Lintlha) QL-SEC/QL-EEC1 QL-eEEC ha e tšehetsoe E fetoletsoe ho QL-SEC/QL-EEC1 (sheba Lintlha)

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Boleng ba Phetiso/Amohela Boleng ba ITU-T Khetho ea 1: Oache e ntlafalitsoeng ea nako ea litšupiso ea mantlha
Khetho ea 1 ea ITU-T: Oache ea mantlha ea boits'oaro
ITU-T Khetho ea 1: Oache ea lisebelisoa tsa SONET ITU-T Khetho ea 1: Mofuta oa I kapa V oache ea makhoba ITU-T Khetho ea 1: Mofuta oa IV oa nako ea makhoba ITU-T Khetho ea 2, Generation 1 Quality Transmit/Receive Value Letšoao lena ha lea lokela ho sebelisoa. bakeng sa kamahanyo Boleng bo tloaelehileng bo hlolehile
Boleng bo tloaelehileng ha bo sebetse
Boleng bo tloaelehileng ha bo na ITU-T Khetho ea 2, Moloko oa 1: Oache ea lisebelisoa tsa Ethernet ITU-T Khetho ea 2, Moloko oa 1: Oache ea lisebelisoa tsa Ethernet e ntlafalitsoeng
ITU-T Khetho ea 2, Moloko oa 1: Oache e ntlafalitsoeng ea nako ea litšupiso
Khetho ea 2 ea ITU-T, Moloko oa 1: Mohloli oa litšupiso oa mantlha ITU-T Khetho ea 2, Moloko oa 1: Oache ea nako ea litšupiso ea mantlha

Boemo ba Boleng QL-ePRTC ha e tšehetsoe E Fetoletsoe ho QL-PRC (sheba Lintlha) QL-PRC QL-PRTC ha e tšehetsoe E Fetoletsoe ho QL-PRC (sheba Lintlha) QL-SEC QL-SSU-A QL-SSU-B
Boemo ba Boleng QL-DUS QL-FAILED (sheba Lintlha) QL-INVx (sheba Lintlha) (sheba Lintlha) QL-EEC2 QL-eEEC ha e tšehetsoe E Fetoletsoe ho QL-ST3 (sheba Lintlha) QL-ePRTC ha e tšehetsoe E fetoletsoe ho QL-PRS (sheba Lintlha) QL-PRS QL-PRTC ha e tšehetsoe E fetoletsoe ho QL-PRS (sheba Lintlha)

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Quality Transmit/Receive Value ITU-T Option 2, Generation 1: RES ITU-T Option 2, Generation 1: SONET clock self timed ITU-T Option 2, Generation 1: Stratum 2 ITU-T Option 2, Generation 1: Stratum 3 ITU-T Option 2, Generation 1: Stratum 4 freerun ITU-T Option 2, Generation 1: Synchronized - traceability e sa tsejoeng ITU-T Option 2, Generation 2 Quality Transmit/Receive Value Letšoao lena ha lea lokela ho sebelisoa bakeng sa ho lumellana Boleng bo tloaelehileng bo hlōlehile.
Boleng bo tloaelehileng ha bo sebetse
Boleng bo tloaelehileng ha bo na ITU-T Khetho ea 2, Moloko oa 2: Oache ea lisebelisoa tsa Ethernet ITU-T Khetho ea 2, Moloko oa 2: Oache ea lisebelisoa tsa Ethernet e ntlafalitsoeng
ITU-T Khetho ea 2, Moloko oa 2: Oache e ntlafalitsoeng ea nako ea litšupiso
ITU-T Khetho ea 2, Moloko oa 2: PROV ITU-T Khetho ea 2, Moloko oa 2: Mohloli oa litšupiso oa mantlha ITU-T Khetho ea 2, Moloko oa 2: Oache ea nako ea tšupiso ea mantlha
ITU-T Khetho ea 2, Moloko oa 2: oache ea SONET e ipehetse nako ITU-T Khetho ea 2, Moloko oa 2: Stratum 2

Boemo ba Boleng QL-RES QL-SMC QL-ST2 QL-ST3 (sheba Lintlha) QL-STU
ITU Quality Level QL-DUS QL-FAILED (sheba Lintlha) QL-INVx (sheba Lintlha) (bona Lintlha) QL-EEC2 QL-eEEC ha e tšehetsoe E fetoletsoe ho QL-ST3 (sheba Lintlha) QL-ePRTC ha e tšehetsoe E fetoletsoe ho QL- PRS (sheba Lintlha) QL-PROV QL-PRS QL-PRTC ha e tšehetsoe E fetoletsoe ho QL-PRS (sheba Lintlha) QL-SMC QL-ST2

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Phatlalatso ea Boleng / Fumana Boleng ba ITU-T Khetho ea 2, Moloko oa 2: Stratum 3 ITU-T Khetho ea 2, Moloko oa 2: Stratum 3E ITU-T Khetho ea 2, Moloko oa 2: Stratum 4 freerun ITU-T Khetho ea 2, Moloko oa 2: E lumellana - traceability e sa tsejoeng ITU-T Khetho ea 2, Moloko oa 2: Oache ea node ea Transit

ITU Quality Level QL-ST3 QL-ST3E (sheba Lintlha) QL-STU QL-TNC

Lintlha
· "Quality common none" QL ke ea kamehla ha ho se QL e hlophisitsoeng.
· Maemo a boleng "boleng bo tloaelehileng bo sa sebetseng" (QL-INVx) le "boleng bo tloaelehileng bo hlōlehile" (QL-FAILED) ke maemo a boleng ba ka hare ka hare ho lekhasi kapa lekhasi le ka thōko 'me ha ho mohla bo hlahisoang boema-kepe ba tlhahiso.
· ITU-T Option 2, Generation 1 le Generation 2: Stratum 4 freerun (QL-ST4) ha e tšehetsoe ho li-interfaces tsa Ethernet line.
· QL TLV e atolositsoeng (boleng ba bolelele ba mofuta) ha e tšehetsoe. Ha QL TLV e atolositsoeng e amoheloa ka foreimi ea ESMC ho tloha mohloling oa maqhubu a hokahaneng, lekhasi kapa sesebelisoa sa lekhasi se hole se tla sebetsana le foreimi e amohetseng ea ESMC empa se hlompha feela TLV e Tloaelehileng, e iphapanyetsa TLV e Atolositsoeng e boletsoeng.
· Maemo a 'maloa a QL a hlalosoa ka ho kopanya maemo a QL TLV le QL TLV e atolositsoeng. Litekanyetso tsena li fetoleloa ho maqhubu a makhasi a ACI ho boleng ba QL bo ka hlalosoang feela ka QL TLV e tloaelehileng. Liphetolelo li hlahisoa ka har'a litafole tse latelang:

TLV e atolositsoeng

Tlhaloso

E Fetoletsoe/E sebetsa QL

ITU-T Khetho ea 1

QL-PRTC

ITU-T Khetho ea 1: Oache ea khale ea ho bala nako

QL-PRC

QL-eEEC

ITU-T Khetho ea 1: Oache ea lisebelisoa tsa ethernet e ntlafalitsoeng

QL-SEC/QL-EEC1

QL-ePRTC

ITU-T Khetho ea 1: Oache e ntlafalitsoeng ea nako ea mantlha ea litšupiso QL-PRC

ITU-T Khetho ea 2

QL-PRTC

Khetho ea 2 ea ITU-T, Moloko oa 1 le Moloko oa 2: Oache ea nako ea tšupiso ea QL-PRS ea mantlha

QL-eEEC

Khetho ea 2 ea ITU-T, Moloko oa 1 le Moloko oa 2: Oache ea lisebelisoa tsa ethernet e ntlafalitsoeng ea QL-ST3

QL-ePRTC

Khetho ea 2 ea ITU-T, Moloko oa 1 le Moloko oa 2: Oache e ntlafalitsoeng ea QL-PRS ea mantlha ea nako

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5 KHAOLO
Leano la moemeli oa HTTP/HTTPS
· Mabapi le Leano la Moemeli oa HTTP/HTTPS, leqepheng la 77 · Likarolo tsa Cisco APIC Tse Sebelisang Moemeli oa HTTP/HTTPS, leqepheng la 77 · Ho Lokisa Leano la Moemeli oa HTTP/HTTPS Ho Sebelisa GUI, leqepheng la 78
Mabapi le Leano la Moemeli oa HTTP/HTTPS
Ho qala ka tokollo 5.2(1), o ka lokisa aterese ea moemeli oa HTTP kapa HTTPS ho Cisco Application Policy Infrastructure Controller (APIC) bakeng sa likarolo tse hlokang ho kena Inthaneteng. Ntle le likarolo tsa Cisco APIC tse sebelisang liaterese tsa proxy tse hlophisitsoeng ka bo eona, tikoloho e potolohileng Cisco APIC e ka boela ea botsa ntho ea proxyServer ho Cisco APIC e le hore ecosystem e ka sebelisa seva ea proxy e tšoanang le Cisco APIC ntle le ho hloka hore u e lokise. lintlha tsa proxy ho li-platform tse ngata. Leano la moemeli oa HTTP/HTTPS ka boeona ha le laole kapa hona ho fetola marang-rang a tsamaiso (ntle le sehlopha kapa ka har'a sehlopha) seo karolo ka 'ngoe ea Cisco APIC e se sebelisang. O ka hlakisa maemo a marang-rang a taolo ho Likhetho tsa Khokahano tsa Cisco APIC. Bakeng sa tlhahisoleseling e eketsehileng, bona karolo ea "Ho eketsa Phihlello ea Tsamaiso" khaolong ea "Management" ea Cisco APIC Basic Configuration Guide.
Likarolo tsa Cisco APIC Tse Sebelisang Moemeli oa HTTP/HTTPS
Haeba u ntlafalitse HTTP kapa HTTPS proxy seva, likarolo tse latelang tsa Cisco Application Policy Infrastructure Controller (APIC) li romela sephethephethe ka sebara ea moemeli:
· Cisco Intersight - Sehokelo sa Sesebelisoa · Cisco APIC GUI e hahelletsoeng ka karolo ea maikutlo
Hlokomela Pele o lokolla 5.2 (1), Cisco Intersight - Sehokelo sa Sesebelisoa se ne se e-na le tlhophiso ea proxy e hahiloeng. Ts'ebetso ena e se e le teng leanong la moemeli oa HTTP/HTTPS ho Cisco APIC.
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Leano la moemeli oa HTTP/HTTPS

Ho lokisa Leano la Moemeli oa HTTP/HTTPS U sebelisa GUI
Mokhoa o latelang o lokisa leano la moemeli oa HTTP kapa HTTPS. U ka boela ua lokisa li-setting tsa proxy ka Wizate ea Nako ea Pele ea ho Seta. Ho fumana lintlha tse ling mabapi le wizate ea ho Seta ha Lekhetlo la Pele, bona khaolo ea "Wizate ea Pele ea ho Seta" ho Cisco APIC Basic Configuration Guide.

Mohato oa 1 Mohato oa 2 Mohato oa 3
Mohato oa 4

Ho menu bar, khetha Sistimi> Litlhophiso tsa Sisteme. Ka fenstereng ya Navigation, kgetha Proxy Policy. Fensetereng ea Mosebetsi, kenya a URL ho HTTP URL kapa HTTPS URL tšimo ka moo ho loketseng. Ha seva sa proxy se hloka netefatso, sebelisa mokhoa o latelang:
http[s]://[username:password]@proxy-server[:proxyport] (Boikhethelo) Lethathamong la Ignore Hosts, tobetsa +, kenya lebitso la moamoheli kapa aterese ea IP ea moamoheli ea sa lokelang ho sebelisa moemeli oa HTTP kapa HTTPS. , ebe o tobetsa Update. Pheta mohato ona haeba u batla ho eketsa baamoheli ba bang ba sa lokelang ho sebelisa proxy ea HTTP kapa HTTPS.

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6 KHAOLO
Lipalopalo tsa Ts'ebetso
· Viewing lipalo-palo tsa Mekhoa e Sebelisang GUI, leqepheng la 79 · Ho Lokisa Leano la Lipalopalo bakeng sa Mekhoa Eohle ka Lekhetlo la Pele Ho Sebelisa GUI, leqepheng la 81 · Ho Lokisa Leano la Lipalopalo Bakeng sa Mekhoa Eohle Ka mor'a ho Lokisa Leano Lekhetlo la Pele le Sebelisa
GUI, leqepheng la 82
Viewing Lipalopalo tsa Mekhoa e Sebelisang GUI
Ho view lipalo-palo tsa ts'ebetso, ho bareng ea menyu, khetha Lesela> Inventory. Fensetereng ea Navigation, etsa e 'ngoe ea liketso tse latelang:
· Bakeng sa lits'ebetso tsohle, khetha pod_ID > node_name > Mekhoa. · Bakeng sa ts'ebetso e itseng, khetha pod_ID > node_name > Mekhoa > process_name. Fenstereng ya Mosebetsi, kgetha tab ya Dipalopalo. Setšoantšo se latelang sa skrini se bonts'a example ea lits'ebetso tsohle, empa the view bakeng sa ts'ebetso e itseng e batla e tšoana:
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Lipalopalo tsa Ts'ebetso

Lethathamo la 1
4 5
6 7 8 9

Tlhaloso
Bophelo bo botle ka kakaretso ba ts'ebetso. Tsamaea holim'a sena ho bona lintlha tsa bophelo bo botle.
Liphoso. Tsamaisa mona ho bona palo ea liphoso bakeng sa boima bo bong le bo bong. Tobetsa e 'ngoe ea mathata ho ea ho Faults tab ho bona liphoso tsa matla ao.
E emisa GUI ho hlahisa lipalo-palo tse ntlafalitsoeng, tse u nolofalletsang ho hlahloba lipalo-palo joalo ka ha li ne li le nakong eo u neng u tobetsa konopo ena. Tobetsa konopo hape hore GUI e qale hape ho bonts'a lipalo-palo tse ntlafalitsoeng. Esita le ha o emisa GUI ho hlahisa lipalo-palo tse nchafalitsoeng, Cisco Application Policy Infrastructure Controller (APIC) e ntse e tsoela pele ho bokella lipalo-palo tsa morao-rao.
E bula puisano ea Select Stats, e u nolofalletsang ho khetha sampling karohano ebe u khetha lipalo-palo ho view.
E o nolofalletsa ho khetha mofuta oa lipalo ho view. · Kakaretso: E bonts'a kakaretso ea lisebelisoa tse sebelisitsoeng ke lipalo-palo nakong ea ho boloka.
· Metsotso: E bonts'a bonyane lisebelisoa tseo lipalo-palo ka 'ngoe li li sebelisitseng nakong ea ho bolokoa.
· Max: E bonts'a boholo ba lisebelisoa tse sebelisitsoeng ke lipalo-palo nakong ea ho boloka.
· Trend: E bonts'a maemo a ts'ebeliso ea lisebelisoa bakeng sa lipalopalo tse ling le tse ling nakong ea ho boloka.
· Reite: E bonts'a sekhahla seo lisebelisuoa tse sebelisitsoeng ke lipalo-palo ka nako ea ho boloka.
· kamehla: Hajoale, mofuta ona o bonts'a tlhahisoleseling e ts'oanang le mofuta oa Karolelano.
E nchafatsa lintlha tsa lipalo.
Khoasolla lintlha tsa lipalo ho sistimi ea hau ea lehae joalo ka XML file. The file e jarollwa sebakeng sa tjarollo sa sebatli sa hau sa kamehla.
Fetoha lipakeng tsa tafole le topology (graph) views.
Tobetsa sena, ebe u khetha Configure Statistics Policy ho bula the Create Stats Target dialog. Moqoqong, o ka khetha palo e le 'ngoe kapa ho feta moo lipalo-palo li batlang ho li beha 'me u lokise likoleke. Lipokello li u thusa ho hlakisa nako ea ho boloka pokello e 'ngoe le e 'ngoe ea granularity, le ho nolofalletsa kapa ho tima granularity ka 'ngoe. Bakeng sa tlhaiso-leseling e batsi, bona Ho Hlophisa Leano la Lipalopalo Bakeng sa Mekhoa Eohle Ka mor'a ho Hlophisa Leano Lekhetlo la Pele U sebelisa GUI, leqepheng la 82.

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Ho lokisa Leano la Lipalopalo bakeng sa Mekhoa Eohle Lekhetlo la Pele U sebelisa GUI

Tlhaloso ea 10
11 12 13

Tlhaloso
E bonahala feela ho topology view, mme feela bakeng sa Metsotso e 15 le Hora e 1 feelaamplinako tse ling. Sena se beha zoom ho boleng bo seng bo setiloe. Kameho e totobatsa nako e lokelang ho hlahisoa ho topology.
· 1H: E beha katoloso ho hora ea ho qetela.
· 1D: E beha katoloso ho letsatsi la ho qetela (lihora tse 24 tse fetileng).
· 1M: E beha katoloso ho fihlela motsotsong oa ho qetela. Khetho ena e bonahala feela haeba u khethile 1 Hora sampnako e telele.
· Tsohle: E beha sebaka sa katamelo ho bonts'a nako e felletseng, e fetang lihora tse 24 bakeng sa Metsotso e 15.ampkarohano ea ling, 'me e tšoana le 1M bakeng sa Hora e 1ampnako e telele.
E bonahala feela ho topology view, mme feela bakeng sa Metsotso e 15 le Hora e 1 feelaamplinako tse ling. Lethathamo la matsatsi a topology. U ka tobetsa matsatsi 'me u fetole litekanyetso. U ke ke ua kenya letsatsi le sa bonahaleng lethathamong la nako botlaaseng ba topology. The From date e ke ke ea ba ka morao ho Ho fihlela joale.
Ho topology view, sebaka sena se bontša kerafo ea lipalo-palo tse khethiloeng. Tsamaea holim'a nako efe kapa efe ho bona lintlha tse nepahetseng bakeng sa lipalo-palo tsohle tse khethiloeng ka nako eo.
Tafoleng view, sebaka sena se bontša tafole ea lipalo-palo tse tšoanang. U ka hlophisa tafole ka ho tobetsa lihlooho tse ling. U ka sefa tafole ka ho tobetsa motsu oa lenane le theohang ka letsohong le letona la hlooho, u khethe Likholomo, ebe u kenya cheke kapa ho tlosa cheke ho tsoa ho lefe kapa lefe la mabokose.
E bonahala feela ho topology view. Ena ke katametso, e hlalosang nako e lokelang ho hlahisoa ho topology. Sena se o nolofalletsa ho beha zoom ho tekanyo e sa lekanyetsoang. Hula lehlakore le letšehali ho hlakisa qalo ea katametso, 'me mahlakore a ka ho le letona a hlalose pheletso ea katametso, e lekanyetsang bolelele ba nako e lokelang ho hlahisoa. Ka mor'a hore u behe qalo le qetello, u ka sebelisa sebaka se otlolohileng sa moqolo ho fetola karolo ea tatellano ea nako eo u leng eona. viewing ha a ntse a bolokile bolelele ba nako.

Ho lokisa Leano la Lipalopalo bakeng sa Mekhoa Eohle Lekhetlo la Pele U sebelisa GUI
Mokhoa ona o hlalosa mokhoa oa ho lokisa leano la lipalo-palo bakeng sa lits'ebetso tsohle lekgetlo la pele ho tloha ha o hlahisa Cisco Application Policy Infrastructure Controller (APIC). Puisano ea GUI e fapane haeba u kile ua lokisa leano. Tabeng ena, bona ho Lokisa Leano la Lipalopalo bakeng sa Mekhoa Eohle Ka mor'a ho Lokisa Leano Lekhetlo la Pele U sebelisa GUI, leqepheng la 82.
Cisco APIC e theha le ho boloka ntho e le 'ngoe ea lipalo nako le nako ha granularity (nako ea nako) ea pokello e feta. Bakeng sa mohlalaample, bakeng sa pokello ea metsotso ea 15, ka mor'a hore hora e 1 e fete, Cisco APIC e theha le ho boloka lintho tse 4 tsa lipalo. Cisco APIC e boloka lintho tse ka bang 1,000 tsa lipalo bakeng sa pokello ka 'ngoe, ntle le granularity ea metsotso e 5, eo Cisco APIC e bolokang lintho tse 12 feela tsa lipalo.
Bohato ba 1 Ho bareng ea menyu, khetha Lesela > Inventory.

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Lipalopalo tsa Ts'ebetso

Mohato oa 2 Mohato oa 3 Mohato oa 4
Mohato oa 5 Mohato oa 6
Mohato oa 7

Ka fenstereng ya ho tsamaya, kgetha pod_ID > node_name > Mekhoa. Fensetereng ea Mosebetsi, khetha Ketso> Lokisa Leano la Lipalopalo.
Ho hlaha puisano ea Create Stats Target.
Sebakeng se Fumanehang, khetha mofuta o le mong kapa tse ngata tsa lipalo, ebe u tobetsa konopo ea top grey e lipakeng tsa Libaka tse Fumanehang le tse Khethiloeng.
Mefuta e khethiloeng ea lipalo e isoa sebakeng se Khethiloeng. Mofuta ofe kapa ofe oa lipalo-palo oo u sa o khetheng o sebelisa li-parameter tsa kamehla ho tloha Lesela > Melao ea Lesela > Melao-motheo > Tlhokomelo > kamehla > Maano a Pokello ea Lipalopalo > KAOFELA.
U ka khetha mefuta e mengata ea lipalo ka ho holidng Ctrl le ho tobetsa mefuta e lakatsehang ea lipalo. U ka boela ua tšoara Shift ebe u tobetsa mofuta oa lipalo-palo oa pele le oa ho qetela ho khetha mefuta eohle ea lipalo.
Tobetsa E latelang. Penya habeli mothalong oa granularity ho lumella kapa ho tima granularity eo le ho fetola nako ea ho boloka nalane, ebe o tobetsa Update.
Pheta mohato ona bakeng sa granularity ka 'ngoe eo u batlang ho e fetola. Lintlha tsena li sebelisoa mefuteng eohle e khethiloeng ea lipalo.
Tobetsa OK.

Ho lokisa Leano la Lipalopalo bakeng sa Mekhoa Eohle Ka mor'a
Ho lokisa Leano Lekhetlo la Pele U sebelisa GUI
Mokhoa ona o hlalosa mokhoa oa ho lokisa leano la lipalo-palo bakeng sa lits'ebetso tsohle ka mor'a hore u lokise leano khetlo la pele. Puisano ea GUI e fapane haeba ha u so lokise leano. Tabeng ena, bona Leano la Lipalopalo bakeng sa Mekhoa Eohle Lekhetlo la Pele U sebelisa GUI, leqepheng la 81.
Cisco Application Policy Infrastructure Controller (APIC) e theha le ho boloka ntho e le 'ngoe ea lipalo nako le nako ha granularity (nako ea nako) ea pokello e feta. Bakeng sa mohlalaample, bakeng sa pokello ea metsotso ea 15, ka mor'a hore hora e 1 e fete, Cisco APIC e theha le ho boloka lintho tse 4 tsa lipalo. Cisco APIC e boloka lintho tse ka bang 1,000 tsa lipalo bakeng sa pokello ka 'ngoe, ntle le granularity ea metsotso e 5, eo Cisco APIC e bolokang lintho tse 12 feela tsa lipalo.

Mohato oa 1 Mohato oa 2 Mohato oa 3
Mohato oa 4
Mohato oa 5

Ho menu bar, khetha Fabric > Inventory. Ka fenstereng ya ho tsamaya, kgetha pod_ID > node_name > Mekhoa. Fensetereng ea Mosebetsi, khetha Ketso> Lokisa Leano la Lipalopalo. Ho hlaha puisano ea kamehla ea Leano la Lipalopalo.
Ka har'a li-Collections and Thresholds tab, eketsa System CPU, System load, kapa memori ea Sisteme kamoo u batlang. System CPU, System load, le memori ea Sisteme e 'ngoe le e' ngoe e hlaha ha feela u ne u li hlophisitse pele.
Ho hlophisa pokello, tobetsa konopo ea edita (aekhone ea pentšele) ka letsohong le letona la nako eo u batlang ho bokella. Puisano ea Pokello ea Lipalopalo le Li-Thresholds e hlaha bakeng sa nako eo ea pokello. Lipokello li hlakisa hore na Cisco APIC e bokella lipalo-palo bakeng sa granularity e itseng le hore na Cisco APIC e boloka lipalo-palo tse bokeletsoeng nako e kae. a) Tlas'a Leano la tab, beha thepa kamoo u batlang.

Cisco APIC System Management Configuration Guide, Release 6.0(x) 82

Lipalopalo tsa Ts'ebetso

Ho lokisa Leano la Lipalopalo bakeng sa Mekhoa Eohle Ka mor'a ho Hlophisa Leano Lekhetlo la Pele U sebelisa GUI.

Mohato oa 6

Thepa Granularity
Naha ea Tsamaiso

Tlhaloso
Granularity ea pokello eo u e hlophisang. O ka se fetole boleng bona.
Boemo ba tsamaiso ea pokello. Maemo a ka bang teng ke:
· E holofalitsoe: E thibela pokello ena, ho bolelang hore Cisco APIC e ke ke ea bokella lipalo-palo tsa pokello ena.
· e nolofalitsoe: E nolofalletsa pokello ena, ho bolelang hore Cisco APIC e bokella lipalo-palo tsa granularity ena ea pokello.
• lefa: Pokello ena e rua boemo ba eona ba tsamaiso ho tsoa ho leano la ho qetela. U ka khona view 'me u fetole leano la kamehla ka ho ea ho Lesela > Melao ea Lesela, ebe Maano > Tlhokomelo > kamehla > Maano a Pokello ea Lipalopalo.

Nako ea ho Boloka Histori

Bolelele ba nako eo Cisco APIC e bolokang ntho ea lipalo.

b) Tlas'a "Thresholds" tab, o ka hlophisa kapa oa hlakola litekanyo life kapa life tse hlophisitsoeng. c) Tlas'a Histori tab ya, o ka khona view diketsahalo le tlaleho ya bohlahlobi. d) Ka mor'a hore u qete ho etsa liphetoho, tlanya Romela.
Ho hlophisa moeli, tobetsa konopo ea + ka letsohong le letona la nako eo u e batlang ea pokello ebe u khetha thepa.
Moqoqo oa Create Stats Threshold o hlaha bakeng sa nako eo ea pokello. Meeli e hlalosa hore Cisco APIC e tla beha phoso ha boleng ba palo e itseng bo fihla kapa bo feta boleng bo itseng.
a) Beha thepa kamoo u batlang.

Thepa

Tlhaloso

Boleng bo Tloaelehileng

Boleng ba motheo bakeng sa menyako.

Tsela ea Tsela

E hlalosa Whet

Litokomane / Lisebelisoa

Tataiso ea Tlhophiso ea Tsamaiso ea Tsamaiso ea CISCO APIC [pdf] Bukana ea Mosebelisi Tataiso ea Tlhophiso ea Tsamaiso ea Tsamaiso ea APIC, Tsamaiso ea Tsamaiso ea APIC, Tataiso ea Tlhophiso

Litšupiso

• Bukana ea Mosebelisi