LANCOM Ra'ayoyin Ragewa don Cibiyoyin Sauya Matsala

Bayanin samfur

Ƙayyadaddun bayanai:

• Sunan samfur: LANCOM Techpaper - Mahimman ra'ayi na sakewa don hanyoyin sadarwa masu sauya matsayi
• An Rufe Ka'idoji: VPC, Stacking, STP
• Babban Mayar da hankali: Redundancy da babban samuwa a cikin sauya hanyar sadarwa

Umarnin Amfani da samfur

Virtual Port Channel (VPC):

VPC tana mai da hankali kan sakewa ta jiki da daidaita nauyi don tabbatar da samuwa mai yawa. Yana ba da matsakaicin matsakaici a cikin tsari tare da manyan buƙatun kayan aiki da farashi.

Adanarwa:

Stacking yana ba da kusan ayyukan toshe-da-wasa don sakewa kuma ana siffanta shi da ƙarancin rikitarwa a cikin tsari. Yana bayar da matsakaicin buƙatun hardware da farashi.

Tsarin Bishiyoyi (STP)

STP yana ba da mafita mai ma'ana don guje wa gazawar hanyar sadarwa saboda madaukai kuma yana tabbatar da dawowa cikin sauri. Yana da babban rikitarwa a cikin tsari amma yana ba da ƙarancin buƙatun kayan masarufi da farashi.

FAQ

• Tambaya: Wace yarjejeniya zan zaɓa don hanyar sadarwa ta?
  • A: Zaɓin yarjejeniya ya dogara da takamaiman buƙatun cibiyar sadarwar ku. VPC ya dace da babban samuwa tare da matsakaicin matsakaici yayin da stacking yana ba da sauƙi na amfani tare da ƙananan rikitarwa. STP yana da tsada-tasiri amma yana da tsari mai wahala.
• Tambaya: Shin STP na iya cimma lokacin raguwar sifili?
  • A: STP na iya cimma lokacin raguwar sifili a cikin yanayi mai aiki/m tsakanin madaidaicin madauri mai sauyawa da na'urori masu ƙarewa, amma ana ba da shawarar don guje wa aikin STP saboda rashin aiki / m.

Mahimman ra'ayi na sakewa don hanyoyin sadarwa na canza matsayi

Batun wadata mai yawa na ɗaya daga cikin muhimman al'amura yayin da ake tsara hanyar sadarwar musanyawa mai dogaro. Rashin gazawa sakamakon rashin tsari yakan haifar da rugujewar hanyoyin sadarwa gaba daya. Sakamakon ya haɗa da ɗimbin tsadar biyan kuɗi da raguwar samarwa. Tare da kyakkyawan tsari, haɓakar haɗin kai a duk hanyar sadarwa yana rage haɗarin gazawar kuma yana ƙara samun hanyoyin sadarwa.

Wannan takarda tana sanar da ku game da mahimman ka'idoji don sakewa a cikin cibiyoyin sadarwa kuma tana ba ku tsohonampyadda wata babbar hanyar sadarwa mai hawa uku ko biyu za ta iya bayyana.

Wannan takarda wani ɓangare ne na jerin "Maganin Canjawa".

Danna kan gumakan don neman ƙarin bayani game da bayanan da ake samu daga LANCOM:

• Abubuwan asali
  • Gine-ginen canji mai hawa biyu & mai hawa uku
• Abubuwan asali
  • Canja tsaro tare da IEEE 802.1X
• Jagorar ƙira
  • Ra'ayoyin sakewa don sauya cibiyoyin sadarwa

• Jagorar saiti
  • Tsarin VPC tare da masu sauya LANCOM

• Jagorar saiti
  • Stacking tare da LANCOM masu sauyawa
    
• Jagorar saiti
  • Zaɓuɓɓukan daidaitawa LANCOM XS-6128QF

Ka'idojin sakewa guda uku VPC, stacking, da STP

Ta hanyar haɗa maɓalli zuwa maɓalli daban-daban guda biyu a cikin tarawa/rarrabuwa Layer ko core Layer sama da shi, yin amfani da Link Aggregation Groups (LAG) yana haifar da wadatuwa mai girma sosai (HA) da kuma kusan ayyukan cibiyar sadarwa mara katsewa. Wani muhimmin abu a nan shi ne amfani da hanyoyin rigakafin madauki. Ana samun mafita daban-daban na sake sakewa don sadarwar maɓalli guda biyu, gami da Tsarin Bishiyar Bishiyoyi (STP), wanda ba shi da tasiri, kuma mafi kyawun zaɓuɓɓuka kamar Virtual Port Channel (VPC), ko stacking.

Bambance-bambancen da ke tsakanin ka'idoji guda uku VPC, stacking, da STP sun haɗa da rikitarwa na daidaitawa, lokacin raguwa lokacin sake kunna maɓalli, da farashin maɓalli masu mahimmanci.

Virtual Port Channel (VPC)

VPC na dangin Multi-chassis Etherchannel [MCEC] ne kuma saboda haka ana kuma san shi da MC-LAG (Rukunin Haɗin Haɗin Maɗaukakin Chassis). Saboda manyan buƙatun kayan masarufi, shine mafi tsada-tsari na hanyoyin sake sakewa guda uku don haka galibi ana amfani dashi a cikin manyan kayan aikin cibiyar sadarwa. Don haɓaka haƙurin gazawa ta hanyar sakewa, wannan fasaha na haɓakawa yana sanya maɓallan haɗin haɗin gwiwa guda biyu su bayyana azaman mahaɗin kama-da-wane ɗaya. VPC yana da kaddarorin masu zuwa:

• Ragewa da daidaita lodi: Yin amfani da hanyar haɗin gwiwar takwarorinsu, masu sauyawa a cikin rukunin VPC na yau da kullun suna musayar mahimman bayanai game da hanyar sadarwar, gami da tebur MAC. Kowane juzu'in takwarorinsu yana aiwatar da rabin ƙarar bayanai daga layin shiga (fasaha mai aiki/aiki). Ya bambanta da tarawa, sun kasance lokuta masu zaman kansu kuma tashoshin jiragen ruwa da ke da alaƙa ne kawai ke daidaita sake maimaitawa.
• 100% uptime ta hanyar saurin haɗuwa: A cikin yanayin gazawar na'ura ko canji ga hanyar sadarwar, VPC da sauri ta sake ƙididdige hanyoyin sadarwar. Wannan yana kawar da maki guda na gazawa, yana haifar da saurin dawo da sabis. Wata na'urar da ke cikin gungu na VPC tana sarrafa duk zirga-zirgar zirga-zirga kuma tana ci gaba da aiki da hanyar sadarwa. Wannan ba tare da la'akari da ko gazawar na'urar ta sami lahani ko kashewa da gangan ba, kamar lokacin sabunta firmware (In-Service Software Upgrade, ISSU). Wannan yana samun 100% uptime na hanyar sadarwa daga ainihin zuwa na'urori na ƙarshe.
• Gudanar da zaman kanta: Daga mahangar na'ura ta uku, mahaɗin takwarorinsu yana sa masu sauyawa su bayyana azaman madaidaicin hanyar haɗin kai ko kumburin Layer-2. Na'urar ta uku na iya zama maɓalli, uwar garken, ko wata na'urar hanyar sadarwa ta hanyar shiga da ke da goyan bayan haɗin haɗin gwiwa. Kamar yadda aka ambata a sama, masu sauyawa takwarorinsu sun kasance na'urori masu sarrafa kansu waɗanda za'a iya sake kunnawa ko sabunta su daban-daban.
• Ƙara yawan bandwidth: Haɗa hanyar haɗin takwarorinsu (aiki/aiki) yana ƙara yawan bandwidth da ƙarfin fitarwa tsakanin na'urori.
• Mafi sauƙi na cibiyar sadarwa topology: Saboda VPC yana ba da damar LAG tsakanin yadudduka na cibiyar sadarwa, yana rage buƙatar STP, wanda ake amfani da shi a cikin hanyoyin sadarwar L2 na gargajiya don kauce wa madaukai.
• Taimako ga na'urorin da ba VPC ba: VPC yana ba da damar na'urori masu ƙarewa ko abubuwan cibiyar sadarwa waɗanda ba su da ikon yin amfani da VPC don haɗawa zuwa yanayin VPC, ta haka yana haɓaka daidaituwar hanyar sadarwa da sassauci.
• Kayan aikin canza aiki mai girma: VPC yana sanya manyan buƙatu akan kayan aikin sauya, wanda dole ne ya goyi bayan ka'idar VPC. Wannan na iya iyakance zaɓin na'urori, musamman a layin shiga, kuma yana iya zama mai tsada.

Tari

Tari wani rukuni ne na maɓalli waɗanda ke nuna halin jiki azaman na'ura ɗaya. Duk na'urorin da ke cikin tarin dole ne su kasance da mu'amalar tashoshi iri ɗaya (tashoshi) kuma a sanye su da sigar firmware iri ɗaya. Mai kama da tsarin chassis ko ruwan wukake, tashoshin jiragen ruwa masu tarawa suna ɗaukar duk zirga-zirgar bayanai a cikin kayan masarufi tare da ƙa'idodin da aka inganta don wannan dalili.

Za a iya taƙaita fasahar stacking kamar haka:

Kusan toshe-&-wasa sanyi

• Layer-2 saukakawa: Ana iya tunanin Stacking a matsayin jirgin baya na kowane maɓalli da aka haɗa ta igiyoyi waɗanda ba a gane su azaman haɗi ta hanyar ƙa'idodin Layer-2 da aka tsara ba. Wannan yana ba da damar watsa zirga-zirgar hanyar sadarwa ta hanyar haɗin kai da yawa a lokaci guda, don haka ƙara yawan abin da ake samu.
• Babu hanyar da ake buƙata Layer-3: Rarraba rafin bayanai na hankali a cikin tari baya buƙatar layin-3 saboda ka'idojin tari na ciki suna ɗaukar haɗin kai kamar yadda aka bayyana a sama.
• Saurin gazawa kuma kusan turawa ba tare da katsewa ba: Godiya ga saurin ganowa da fasahar dawo da hanyoyin haɗin yanar gizo, ana tura haɗin haɗin kai zuwa wasu maɓallai a cikin yanayin gazawar ta hanyar “cirewa mara ƙarfi”, watau ba tare da asarar bayanai ba.
• Babu haɓaka software a cikin sabis: A hasalatage tare da stacking shi ne cewa stacked switches dole su tafi offline a lokacin da firmware update, watau 100% uptime ba a garanti a lokacin sabunta software ko sake yi. Duk da haka, ana iya ɗaukar wannan zaɓi azaman madadin VPC lokacin da ake amfani da windows mai kulawa. A yayin aiki, aiki mai aiki/aiki yana samun iyakar abin da aka samar da bayanai tsakanin ainihin yadudduka na na'ura.

Ka'idodin bishiyar itace (STP)

Ba a tattauna bambance-bambancen fasaha tsakanin ma'auni na bishiyar bishiyar MSTP (Multi-STP, IEEE 802.1s) da RSTP (RapidSTP, IEEE 802.1w) anan. Maimakon haka muna yin nuni ga wallafe-wallafen da suka dace. Yayin da VPC da stacking mayar da hankali kan sakewa na jiki da daidaita nauyin kaya, STP yana ba da mafita mai ma'ana don kauce wa gazawar hanyar sadarwa saboda madaukai kuma don tabbatar da farfadowa da sauri.

Daga cikin ka'idoji guda uku da aka gabatar a nan, STP yana da mafi kyawun tsari. Ko da yake STP na iya samun raguwar lokacin sifili a cikin yanayin aiki / m tsakanin madaidaicin damar-canza Layer da na'urori na ƙarshe, aikin STP ya kamata a kauce masa saboda rashin aiki / m redundancy. Koyaya, STP yana ba da advantages a cikin wasu al'amura:

• Inda hane-hane da ke da alaƙa da gini ke iyakance adadin haɗin haɗin gwiwa, STP shine mafi kyawun madadin. Wannan yana rage haɗarin samun madaukai, musamman a yanayin isa ga abokin ciniki.
• Tare da ƙayyadaddun buƙatun kayan masarufi, ana iya tallafawa ƙa'idar ko da ta hanyar sauyawa matakin-shigarwa, wanda ke sa STP mafita mai tsada sosai.

Lambobin tallafi na LACP, VRRP, DHCP relay, da kuma hanyar L3

Baya ga ka'idoji guda uku da aka ambata, waɗanda ke ƙayyadad da mahimmin ra'ayi na cibiyar sadarwa mai canzawa, ƙarin ƙa'idodi suna da mahimmanci don bayanin yanayin yanayi mai zuwa.

Rukunin Haɗin Haɗin (LAG) & Tsarin Gudanar da Haɗin Haɗin (LACP)

Fasaha don aiwatar da haɗin haɗin haɗin gwiwa da daidaita nauyi ana kiranta LAG (Ƙungiyoyin haɗin gwiwar haɗin gwiwa). LAG yana haɗa haɗin haɗin gwiwa da yawa tsakanin na'urorin cibiyar sadarwa zuwa haɗin hankali guda ɗaya.

LACP ita ce gajarta ta "Link Aggregation Control Protocol". A matsayin wani ɓangare na daidaitattun duniya IEEE 802.1AX (Haɗin Haɗin kai), LACP yarjejeniya ce don daidaitawa ta atomatik da kiyaye ƙungiyoyin haɗin gwiwa. LACP tana amfani da LACPDUs ( fakitin bayanai na LACP, ƙa'idar amsa buƙatun) azaman hanyar sasantawa ta atomatik tsakanin biyu ko, lokacin amfani da VPC ko tari, na'urorin cibiyar sadarwa da yawa, ta yadda za'a iya samar da hanyar haɗin gwiwa ta hankali ta atomatik kuma ta fara gwargwadon tsarinta. LACP kuma yana da alhakin kiyaye matsayin haɗin gwiwa da musayar bayanai akai-akai game da fakitin bayanai. Don haka yana mayar da martani ga canje-canje a cikin hanyar sadarwa ba tare da buƙatar sake daidaitawa ba.

LANCOM Techpaper - Mahimman ra'ayi na sakewa don hanyoyin sadarwa masu sauya matsayi
yana amfani da ɗayan hanyoyin haɗin jiki guda biyu, tare da ɗayan kawai ana amfani dashi don kafa haɗin gwiwa.

Protocol Redundancy Virtual Router (VRRP)

VRRP ƙayyadadden ƙa'idar hanyar sadarwa ce ta Layer-3 wacce ke amfani da sakewa da daidaita nauyi don samar da kasafi ta atomatik da gazawa mai ƙarfi don ci gaba da samun masu amfani da hanyoyin sadarwa, ko kuma a wannan yanayin yana canzawa waɗanda ke goyan bayan tuƙi. Wannan yana tabbatar da samuwar hanyar sadarwa, musamman don ayyuka masu mahimmancin tsaro, ta hanyar canzawa mara kyau zuwa na'urar ajiya. A cikin manyan cibiyoyin sadarwa (campyana amfani da tashoshin jiragen ruwa sama da 10,000), ra'ayin tafiyar da ake buƙata akan Layer 3 kuma za'a iya sauƙaƙe shi, kamar yadda na'urori biyu a cikin VRRP za a iya daidaita su azaman ƙofa ta tsohuwa.

Bayanan Bayani na DHCP

Tunda cibiyoyin sadarwa masu hawa biyu ko uku yawanci suna da sabar DHCP daban akan kayan aiki mai girma, yana da mahimmanci don sauyawa akan tarawa/rarraba da samun damar yadudduka da za'a daidaita su tare da wakili na relay DHCP. Wannan yana tura buƙatun DHCP zuwa uwar garken DHCP na tsakiya kuma yana hana rikice-rikice na adireshin IP.

Hanyar Layer-3

Ayyukan motsa jiki suna da mahimmanci don aiwatar da tsaro da zaɓuɓɓukan ikon samun damar shiga, haɓaka mai ƙarfi na hanyar sadarwa da kwanciyar hankali mai kyau (gabatarwa vs. ambaliya) ta hanyar ma'ana kuma sama da duk ingantaccen rabuwa na subnets. Don tabbatar da cewa kowane maɓalli ya san abin da za a yi amfani da na'ura mai ba da hanya tsakanin hanyoyin sadarwa, an ƙirƙiri tebur mai tuƙi wanda ke aiki a matsayin "database database" wanda ke aiki a kowane lokaci. Motsawa mai ƙarfi yana tabbatar da cewa duk “masu amfani da hanyar sadarwa”, watau Layer-3 m switches (L3), za su iya sadarwa da juna kuma su gina wannan tebur ɗin da kansa. Wannan yana nufin cewa hanyar zirga-zirgar bayanai a cikin cibiyar sadarwa ana saita shi akai-akai, wanda ke tabbatar da mafi kyawun aikin cibiyar sadarwa. Hanyoyi na yau da kullun sune OSPFv2/v3 da BGP4, kodayake ana amfani da tsohuwar gabaɗaya a cikin cibiyoyin sadarwa na ciki kawai.

Exampda al'amuran da suka faru ga m canza cibiyoyin sadarwa

Yanzu da muka saba da ka'idoji da ainihin aikinsu, yanzu mun matsa zuwa aikace-aikacen su a example al'amuran tare da samfuri daga LANCOM canza fayil.

Takardar bayanan LANCOM - Mahimman ra'ayi na sakewa don hanyoyin sadarwa na canza matsayi
The exampyadda za a nuna ma'amala tare da hanyoyin sadarwa masu sauyawa masu hawa uku. Idan cibiyar sadarwa mai hawa biyu tare da tarawa/rarraba da samun damar yadudduka ya ishe ku, za a iya barin ainihin Layer ɗin. Maganganun da aka bayyana sun kasance masu inganci kuma ana iya ganin su azaman shawarwari don aikace-aikacen aiki.

Yanayi na 1100% -uptime canza cibiyar sadarwa tare da VPC-m damar sauyawa

Wannan yanayin ya dace da manyan kamfanoni da campmu cibiyoyin sadarwa tare da high redundancy bukatun. Matsakaicin adadin tashoshin shiga tare da sakewa 100% kusan. 60,000.
A cikin yanayin sauyawa mai mahimmanci tare da tashar jiragen ruwa 32, yawanci ana amfani da tashar jiragen ruwa ɗaya don haɓakawa, misali zuwa cibiyar bayanai / WAN, kuma an tanada wani 2 zuwa 8 don VPC yana ba da sakewa da aiki. Don haka tare da haɗin 6 VPC, tashoshin jiragen ruwa 25 sun rage. A kan ƙaramar tarawa/rarrabawa, an haɗa maɓalli masu yawa tare da tashoshin jiragen ruwa 48 kowannensu. Hakanan waɗannan na iya haɗawa zuwa maɓalli a kan layin shiga, kowanne yana da matsakaicin tashar jiragen ruwa 48. Wannan yana haifar da

25x48x48= 57,600 tashar jiragen ruwa

Don aiwatar da wannan yanayin, duk masu sauyawa daga ainihin zuwa layin shiga dole ne su kasance masu iya VPC. Kodayake wannan yana iyakance yuwuwar adadin masu sauyawa, ƙa'idar aiki / aiki tana ba da damar babban bandwidth a hade tare da 100% uptime. Bugu da ƙari, fasalin Sabunta Software na In-Service (ISSU) ya cika mafi girman buƙatu don samun hanyar sadarwa.

Wannan yanayin yana da kyau ga sabon, ba da daɗewa ba za a sake fitarwa kuma mafi ƙarfi na LANCOM masu sauyawa, kamar madaidaicin maɓallin LANCOM CS‑8132F, haɗawa / rarraba rarraba LANCOM YS‑ 7154CF da XS‑ 4500 jerin samun damar sauyawa. . A karon farko, jerin XS-4500 suna ba da damar haɗin Wi-Fi 7 masu iya samun damar shiga kamar LANCOM LX-7500.

Ana haɗa masu sauyawa a kowane Layer na cibiyar sadarwa ta hanyar haɗin ƙwararrun ƙwararrun 100G VPC. Ƙananan yadudduka ana haɗa su ta hanyar LAG tare da 100G ko 25G, dangane da tashoshin haɗin kai na masu sauyawa. Hakanan za'a iya ganin cewa madaidaicin-Layer switches a cikin rukunin VPC an daidaita su tare da VRRP. Wannan yana taimakawa sauƙaƙa tsarin daidaitawa na gaba akan ƙananan yadudduka tunda masu kunna VPC suna kiyaye adiresoshin IP nasu kuma VRRP ce kawai ta sauƙaƙa waɗannan ƙasa zuwa ɗaya da aka raba. Saboda haka, masu sauyawa a ainihin da kuma tarawa / rarraba yadudduka suna fitowa daga layin samun damar zama kofa guda ɗaya na L3. Ba a nuna ƙa'idodin ƙa'idodin DHCP na ba da kai da ƙarfi ba kamar OSPF. Ya kamata a daidaita waɗannan kuma a yi amfani da su gwargwadon aikin da aka yi niyya don yin rabuwar hanyar sadarwa tare da VLAN a sauƙaƙe kamar yadda zai yiwu.

A matakin ƙarshen na'urorin, wanda aka nuna anan don examptare da wuraren samun dama, ana samun cikakken sakewa tare da na'urori sanye take da mu'amalar Ethernet guda biyu. Tun da maɓallan samun damar LANCOM ya ƙunshi abin da aka sani da "PoE mara tsayawa", wutar lantarki ga na'urorin da aka haɗa ba ta katsewa ko da a yanayin sake kunnawa ko canza sabuntawa, muddin akwai hanyar madadin bayanai ta biyu.

Yanayi na 2: Amintaccen hanyar sadarwa mai canzawa tare da haɗin VPC da tari

Wannan yanayin yana mai da hankali kan farashin kowane tashar jiragen ruwa. Idan zai yiwu Layer samun damar yin aiki tare da tagogin kulawa, wannan yanayin tare da stacking a Layer access shine hanyar da aka ba da shawarar. Ya bambanta da yanayin farko, tarawa/rarrabuwa Layer a nan na iya aiki don exampda le Saukewa: LANCOM XS-6128QF, kuma layin shiga na iya aiki mafi inganci mai tsada Farashin GS-4500 maimakon jerin XS-4500. Tun da yake yanzu yana yiwuwa a tsara tare da har zuwa takwas masu sauyawa a cikin tari a kan hanyar shiga, yawan tashar jiragen ruwa yana ƙaruwa zuwa iyakar 460,800 tashar jiragen ruwa (25*48*48*8). Wannan yana ƙara yawan adadin tashoshin jiragen ruwa yayin da yake riƙe matakin karɓuwa na sakewa kuma kusa da lokacin 100% cibiyar sadarwa (zaton akwai taga mai kulawa).

Saboda yawan adadin tashoshin jiragen ruwa, ka'idojin sarrafa L3 VRRP da ARF (Advanced Routing and Forwarding) ana ba da shawarar don ainihin Layer. VPC ya kasance a cikin jigon jigon da tarawa / rarraba yadudduka don haka, kamar yadda yake a cikin labari na farko, ya cika mahimmin tsarin ISSU akan matakan biyu. Maimakon VPC, stacking shine mafita na sakewa da aka yi amfani da shi akan layin samun damar, wanda ke ƙara yawan adadin damar shiga da za a iya amfani da shi daga fayil ɗin LANCOM. Mai kama da yanayin farko, gudun ba da sanda na DHCP da LAGs suna ci gaba da amfani tsakanin yadudduka. Saboda iyakoki na tarawa, ana buƙatar saukar lokaci na kusan mintuna biyar don sabunta firmware na tarin sauya, wanda ya sa ya zama dole a tsara taga mai kulawa.

Yanayi na 3: Ƙaddamar da hanyar sadarwa ta sauya farashi tare da haɗin VPC da STP

A cikin wannan yanayin, ƙayyadaddun ƙirar asali da tarawa / rarrabawa tare da VPC da LAG iri ɗaya ne kamar da. Maɓallan LANCOM kawai da aka yi amfani da su, kamar Saukewa: LANCOM XS-5116QF kuma Saukewa: LANCOM GS-3652XUP, ba da saurin haɗin kai daban-daban.

A kan layin shiga, an saita STP maimakon VPC ko tari. Wannan yana da advantage cewa ka'idar tana buƙatar ƙaramin aiki na kayan aiki kawai, wanda ke ƙara haɓaka zaɓin madaidaitan hanyoyin samun dama (misali. LANCOM GS-3600 jerin). Koyaya, STP yana da iyakataccen kewayon amfani kawai saboda ƙa'idar aiki / m da ƙa'idar aiki.

A cikin wadannan, za mu gabatar da biyu hankula exampdon kwatanta amfani da STP.

Yanayi 3.1: STP a rukunin yanar gizo

Ya kamata a fahimci tarawar tarawa/rarrabuwa biyu raka'a biyu masu zaman kansu a wurare daban-daban. Yin amfani da LACP da STP ɗin da aka saita akansa, duka tariyoyin biyu yanzu an haɗa su zuwa kashin baya wanda kuma ya ƙunshi ƙofar zuwa WAN. Idan haɗin daga madaidaicin hannun dama zuwa ƙofar WAN ya gaza - don misaliample, saboda abubuwan da ba a yi tsammani ba - tari zai iya zuwa WAN ta hanyar hannun hagu ba tare da an yanke shafin gaba daya ba. Muddin babu kuskure, tsakiyar haɗin kai tsakanin tari yana zama mara aiki. A kan layin shiga, shawarar wannan yanayin har yanzu ana amfani da LACP maimakon STP.

Yanayi 3.2: STP tare da ɗimbin maɓallan samun damar shiga

Wannan yanayin yana da kyau lokacin da aka iyakance kasafin kuɗi amma har yanzu ana buƙatar aiwatar da babban adadin tashoshin shiga. Yanke farashi sau da yawa yana kai hari ga tarin maɓallan tarawa saboda babu nisantar ɗimbin maɓallan shiga. Don riƙe takamaiman adadin sakewa, ana saita zobe akan layin shiga, wanda ke buƙatar kunna STP. Hakanan yana yiwuwa a saita haɗin kai biyu ta LACP anan. Koyaya, ana iya barin wannan anan saboda yanayin farashi.

Kammalawa

Ta hanyar faɗaɗa fayil ɗin su don haɗa babban Layer, LANCOM ya zama shagon tsayawa ɗaya ga duk wanda ke tsarawa ko sarrafa campmu cibiyoyin sadarwa.
Ko da waɗannan al'amuran ba za su iya nuna kowane ƙirar hanyar sadarwa mai yuwuwa ba, waɗannan exampmu ba da kyauview na abin da za a iya samu tare da LANCOM core-, aggregation/distribution-, and access switches. Tare da ra'ayoyin sake fasalin VPC, stacking, da STP da aka gabatar a nan, ana iya samun mafi kyawun mafita ga kowane buƙatun hanyar sadarwa dangane da aikace-aikacen da kasafin kuɗi.

Shin kuna shirin kafawa ko faɗaɗa hanyar sadarwar ku tare da masu sauya LANCOM?

ƙwararrun ƙwararrun masu fasaha na LANCOM da ƙwararrun abokan haɗin gwiwar tsarin za su taimaka muku tare da tsarawa, shigarwa da aiki na tushen buƙatu, babban aiki da ƙirar hanyar sadarwar LANCOM mai zuwa gaba.
Kuna da wasu tambayoyi game da masu sauya mu, ko kuna neman abokin ciniki na LANCOM? Da fatan za a ba mu waya:

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Takardu / Albarkatu

LANCOM Ra'ayoyin Ragewa don Cibiyoyin Sauya Matsala [pdf] Jagorar mai amfani Ra'ayoyin Rage Ra'ayi don Cibiyoyin Canja Mai Matsayi, Ra'ayoyi don Cibiyoyin Sauya Matsaloli, Hanyoyin Canjawar Matsayi, Canja hanyoyin sadarwa, hanyoyin sadarwa

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