Cisco Content Hub Configuring sFlow
Tlhahisoleseding ka sFlow
sFlow e u lumella ho lekola sephethephethe sa nako ea 'nete ho marang-rang a data a nang le li-switches le li-routers. E sebelisa sampling mochine oa software ea sFlow Agent ho li-switches le li-routers bakeng sa ho lekola sephethephethe le ho fetisa sample data mabapi le li-ports tsa ingress le egress ho pokello ea data e bohareng, eo hape e bitsoang sFlow Analyzer.
Ho tseba haholoanyane ka sFlow, bona RFC 3176.
Moemeli oa sFlow
The sFlow Agent, e kenyellelitsoeng ho software ea Cisco NX-OS, nako le nako samples kapa polls li-interface counters tse amanang le mohloli oa data oa samplipakete tse etellang pele. Mohloli oa data e ka ba sebopeho sa Ethernet, sebopeho sa Ether Channel, kapa mefuta e mengata ea li-interfaces tsa Ethernet. Moemeli oa sFlow o botsa mookameli oa boema-kepe ba Ethernet bakeng sa boitsebiso bo fapaneng ba litho tsa Ether Channel hape o fumana litsebiso ho tsoa ho mookameli oa boema-kepe ba Ethernet bakeng sa liphetoho tsa litho.
Ha o nolofalletsa sFlow sampling ho Cisco NX-OS software, e thehiloeng ho sampling le palo ea ka hare ea hardware, lipakete tsa ingress le lipakete tsa egress li romeloa ho CPU e le sFlow-s.ampled pakete. Moemeli oa sFlow o sebetsana le sampled lipakete le romela sFlow datagpheleu ho sFlow Analyzer. Ho phaella ho ea pele sampled pakete, an sFlow datagram e kenyelletsa lintlha tse mabapi le boema-kepe ba ho kena, boema-kepe ba egress, le bolelele ba pakete ea mantlha. Le sFlow datagpheleu e ka ba le multiple sFlow samples.
Lintho tse hlokahalang
U tlameha ho nolofalletsa karolo ea sFlow u sebelisa taelo ea sflow ho lokisa sFlow.
Litaelo le Meeli bakeng sa sFlow
Litaelo le mefokolo ea sFlow ke tse latelang:
- Ha o nolofalletsa sFlow bakeng sa sebopeho, e lumelloa ho kena le ho tsoa. U ke ke ua lumella sFlow bakeng sa ho kena kapa ho tsoa feela.
- sFlow egress sampling bakeng sa lipapatso tse ngata, khaso, kapa lipakete tse sa tsejoeng tsa unicast ha li tšehetsoe.
- U lokela ho lokisa sampsekhahla sa ling se ipapisitse le tlhophiso ea sFlow le sephethephethe tsamaisong.
- Cisco Nexus 3000 Series e tšehetsa 'mokelli a le mong feela oa sFlow.
Litlhophiso tsa kamehla tsa sFlow
Letlapa la 1: Mekhahlelo ea kamehla ea sFlow
| Mekhahlelo | Ea kamehla |
| sFlow sampsekhahla-ling | 4096 |
| sFlow sampboholo ba puo | 128 |
| sFlow max datagboholo ba pheleu | 1400 |
| boema-kepe ba sFlow | 6343 |
| sFlow counter-poll-interval | 20 |
Ho lokisa sFlow
Ho nolofalletsa Karolo ea sFlow
O tlameha ho nolofalletsa karolo ea sFlow pele o ka lokisa sFlow ho switjha.
Tsamaiso
| Taelo kapa Ketso | Morero | |
| Mohato oa 1 | switjha# lokisa terminal | E kenya mokhoa oa tlhophiso ea lefats'e. |
| Mohato oa 2 | [che] phallo ea tšobotsi | E nolofalletsa karolo ea sFlow. |
| Mohato oa 3 | (Ha ho boikhethelo) bontša tšobotsi | Lits'oants'o tse lumelletsoeng le tse koetsoeng. |
| Taelo kapa Ketso | Morero | |
| Mohato oa 4 | (Ka boikhethelo) switjha(config)# kopitsa ho qala-config ho qala-config | E boloka phetoho e sa khaotse ka ho qala bocha ebe e qala hape ka ho kopitsa ts'ebetso
tlhophiso ho tlhophiso ea ho qala. |
Example
E latelang exampLe e bonts'a mokhoa oa ho nolofalletsa karolo ea sFlow:
- switjha# lokisa terminal
- switjha(config)# sebopeho sflow
- switch(config)# kopi e sebetsang-config qala-config
Ho lokisetsa SampLing Rate
Pele o qala
Netefatsa hore o nolofaditse karolo ya sFlow.
Tsamaiso
| Taelo kapa Ketso | Morero | |
| Mohato oa 1 | switjha# lokisa terminal | E kenya mokhoa oa tlhophiso ea lefats'e. |
| Mohato oa 2 | [che] phalla sampsekhahla-ling sampsekhahla-ling | E lokisa sFlow sampsekhahla sa ling bakeng sa lipakete. The sampsekhahla-ling e ka ba palo e felletseng lipakeng tsa 4096-1000000000. Theko ea kamehla ke 4096. |
| Mohato oa 3 | (Ha ho boikhethelo) bontsha phallo | E bonts'a lintlha tsa sFlow. |
| Mohato oa 4 | (Ka boikhethelo) switjha(config)# kopitsa ho qala-config ho qala-config | E boloka phetoho e sa khaotse ka ho qala bocha le ho qala hape ka ho kopitsa tlhophiso e sebetsang ho tlhophiso ea ho qala. |
Example
Example bontša mokhoa oa ho beha sampsekhahla sa ho fihla ho 50,000:
- switjha# lokisa terminal
- switjha(config)# sflow sampboleng ba 50000
- switch(config)# kopi e sebetsang-config qala-config
Ho hlophisa Maximum Sampetella boholo
U ka hlophisa palo e kholo ea li-byte tse lokelang ho kopitsoa ho tloha hoampled pakete.
Pele o qala
Netefatsa hore o nolofaditse karolo ya sFlow.
Tsamaiso
| Taelo kapa Ketso | Morero | |
| Mohato oa 1 | switjha# lokisa terminal | E kenya mokhoa oa tlhophiso ea lefats'e. |
| Mohato oa 2 | [che] sflow max-sampboholo ba pele sampboholo ba puo | E lokisa boholo ba sFlow samplipakete tsa boholo ba ling. Range bakeng sa sampboholo ba puo ho tloha ho 64 ho isa ho 256 bytes. Theko ea kamehla ke 128. |
| Mohato oa 3 | (Ha ho boikhethelo) bontsha phallo | E bonts'a lintlha tsa sFlow. |
| Mohato oa 4 | (Ka boikhethelo) switjha(config)# kopitsa ho qala-config ho qala-config | E boloka phetoho e sa khaotse ka ho qala bocha ebe e qala hape ka ho kopitsa ts'ebetso
tlhophiso ho tlhophiso ea ho qala. |
Example
Example e bonts'a mokhoa oa ho hlophisa boholo ba sampboholo ba ling bakeng sa Moemeli oa sFlow:
- switjha# lokisa terminal
- switjha(config)# sflow max-sampboholo ba led 200
- switch(config)# kopi e sebetsang-config qala-config
Ho Lokisa Nako ea Counter Poll
O ka lokisa palo e kholo ea metsotsoana pakeng tsa s tse latellanangamptse ling tsa li-counters tse amanang le mohloli oa data. A sampkarohano ea ling ea 0 thiba khaonta sampling.
Pele o qala
Netefatsa hore o nolofaditse karolo ya sFlow.
Tsamaiso
| Taelo kapa Ketso | Morero | |
| Mohato oa 1 | switjha# lokisa terminal | E kenya mokhoa oa tlhophiso ea lefats'e. |
| Mohato oa 2 | [che] sflow counter-poll-interval nako ea likhetho | E lokisa nako ea khetho ea sFlow bakeng sa sebopeho. Range bakeng sa nako ea likhetho ke ho tloha 0 ho 2147483647 metsotsoana. Theko ea kamehla ke 20. |
| Mohato oa 3 | (Ha ho boikhethelo) bontsha phallo | E bonts'a lintlha tsa sFlow. |
| Taelo kapa Ketso | Morero | |
| Mohato oa 4 | (Ka boikhethelo) switjha(config)# kopitsa ho qala-config ho qala-config | E boloka phetoho e sa khaotse ka ho qala bocha ebe e qala hape ka ho kopitsa ts'ebetso
tlhophiso ho tlhophiso ea ho qala. |
Example
Example e bonts'a mokhoa oa ho hlophisa nako ea likhetho tsa sFlow bakeng sa sebopeho:
- switjha# lokisa terminal
- switjha(config)# sflow counter-poll-interval 100
- switch(config)# kopi e sebetsang-config qala-config
Ho hlophisa Maximum Datagpheleu Boholo
O ka hlophisa palo e kholo ea li-byte tsa data tse ka romelloang ka s e le 'ngoeample datagRAM.
Pele o qala
Netefatsa hore o nolofaditse karolo ya sFlow.
Tsamaiso
| Taelo kapa Ketso | Morero | |
| Mohato oa 1 | switjha# lokisa terminal | E kenya mokhoa oa tlhophiso ea lefats'e. |
| Mohato oa 2 | [che] sflow max-datagboholo ba pheleu datagboholo ba pheleu | E lokisa boholo ba sFlow datagboholo ba pheleu.
Range bakeng sa datagboholo ba pheleu ho tloha ho 200 ho isa ho 9000 bytes. Theko ea kamehla ke 1400. |
| Mohato oa 3 | (Ha ho boikhethelo) bontsha phallo | E bonts'a lintlha tsa sFlow. |
| Mohato oa 4 | (Ka boikhethelo) switjha(config)# kopitsa ho qala-config ho qala-config | E boloka phetoho e sa khaotse ka ho qala bocha ebe e qala hape ka ho kopitsa ts'ebetso
tlhophiso ho tlhophiso ea ho qala. |
Example
Exampe bonts'a mokhoa oa ho hlophisa sFlow maximum datagboholo ba pheleu:
- switjha# lokisa terminal
- switjha(config)# sflow max-datagboholo ba pheleu 2000
- switch(config)# kopi e sebetsang-config qala-config
[#############################################] 100%
Ho lokisa Aterese ea sFlow Analyzer
Pele o qala
Netefatsa hore o nolofaditse karolo ya sFlow.
Tsamaiso
| Taelo kapa Ketso | Morero | |
| Mohato oa 1 | switjha# lokisa terminal | E kenya mokhoa oa tlhophiso ea lefats'e. |
| Mohato oa 2 | [che] phallela 'mokelli-ip IP-aterese mohlala oa vrf | E lokisa aterese ea IPv4 bakeng sa sFlow Analyzer. vfinstance e ka ba e 'ngoe ea tse latelang:
|
| Mohato oa 3 | (Ha ho boikhethelo) bontsha phallo | E bonts'a lintlha tsa sFlow. |
| Mohato oa 4 | (Ka boikhethelo) switjha(config)# kopitsa ho qala-config ho qala-config | E boloka phetoho e sa khaotse ka ho qala bocha le ho qala hape ka ho kopitsa tlhophiso e sebetsang ho tlhophiso ea ho qala. |
Example
Example e bonts'a mokhoa oa ho lokisa aterese ea IPv4 ea pokello ea data ea sFlow e hokahaneng le boema-kepe ba tsamaiso:
- switjha# lokisa terminal
- switjha(config)# sflow collector-ip 192.0.2.5 vrf management
- switch(config)# kopi e sebetsang-config qala-config
Ho lokisa sFlow Analyzer Port
U ka hlophisa boema-kepe ba moo u eang teng bakeng sa sFlow dataglipheleu.
Pele o qala
Netefatsa hore o nolofaditse karolo ya sFlow.
Tsamaiso
| Taelo kapa Ketso | Morero | |
| Mohato oa 1 | switjha# lokisa terminal | E kenya mokhoa oa tlhophiso ea lefats'e. |
| Mohato oa 2 | [che] sflow mokelli-kou 'mokelli-kou | E lokisa boema-kepe ba UDP ba sFlow Analyzer. Range bakeng sa 'mokelli-kou ke ho tloha ho 0 ho ea ho 65535. Theko ea kamehla ke 6343. |
| Mohato oa 3 | (Ha ho boikhethelo) bontsha phallo | E bonts'a lintlha tsa sFlow. |
| Mohato oa 4 | (Ka boikhethelo) switjha(config)# kopitsa ho qala-config ho qala-config | E boloka phetoho e sa khaotse ka ho qala bocha le ho qala hape ka ho kopitsa tlhophiso e sebetsang ho tlhophiso ea ho qala. |
Example
Example e bonts'a mokhoa oa ho hlophisa boema-kepe ba sFlow dataglipheleu:
- switjha# lokisa terminal
- switjha(config)# sflow-mokelli-port 7000
- switch(config)# kopi e sebetsang-config qala-config
[#############################################] 100% - switjha(config)#
Ho lokisa Aterese ea Moemeli oa sFlow
Pele o qala
Netefatsa hore o nolofaditse karolo ya sFlow.
Tsamaiso
| Taelo kapa Ketso | Morero | |
| Mohato oa 1 | switjha# lokisa terminal | E kenya mokhoa oa tlhophiso ea lefats'e. |
| Mohato oa 2 | [che] sflow moemeli-ip ip-aterese | E lokisa aterese ea IPv4 ea sFlow Agent.
Ea kamehla ip-aterese ke 0.0.0.0, ho bolelang hore kaofela sampling ha e khonehe ho switjha. O tlameha ho hlakisa aterese e nepahetseng ea IP ho nolofalletsa tšebetso ea sFlow. |
| Mohato oa 3 | (Ha ho boikhethelo) bontsha phallo | E bonts'a lintlha tsa sFlow. |
| Taelo kapa Ketso | Morero | |
| Mohato oa 4 | (Ka boikhethelo) switjha(config)# kopitsa ho qala-config ho qala-config | E boloka phetoho e sa khaotse ka ho qala bocha le ho qala hape ka ho kopitsa tlhophiso e sebetsang ho tlhophiso ea ho qala. |
Example
Exampe bonts'a mokhoa oa ho lokisa aterese ea IPv4 ea sFlow Agent:
- switjha# lokisa terminal
- switjha(config)# sflow agent-ip 192.0.2.3
- switch(config)# kopi e sebetsang-config qala-config
Ho lokisa sFlow Sampling Mohloli oa Boitsebiso
The sFlow sampmohloli oa data oa ling e ka ba boema-kepe ba Ethernet, mefuta e mengata ea likou tsa Ethernet, kapa mocha oa boema-kepe.
Pele o qala
- Netefatsa hore o nolofaditse karolo ya sFlow.
- Haeba u batla ho sebelisa kanale ea boema-kepe e le mohloli oa data, etsa bonnete ba hore u se u hlophisitse mocha oa boema-kepe 'me u tseba nomoro ea mocha oa boema-kepe.
Tsamaiso
| Taelo kapa Ketso | Morero | |
| Mohato oa 1 | switjha# lokisa terminal | E kenya mokhoa oa tlhophiso ea lefats'e. |
| Mohato oa 2 | switjha(config)# [che] sflow data-source interface [ethernet sekotjana/boemakepe[-boemakepe] |boema-kepe nomoro ea mocha] | E lokisa sFlow sampmohloli oa data oa ling. Bakeng sa mohloli oa data oa Ethernet, sekotjana ke palo ea sekotjana le boemakepe e ka ba nomoro e le 'ngoe ea boema-kepe kapa mefuta e mengata ea likou tse khethiloeng joalo ka boemakepe–boemakepe. |
| Mohato oa 3 | (Ka boikhethelo) switjha(config)# bontsha phallo | E bonts'a lintlha tsa sFlow. |
| Mohato oa 4 | (Ka boikhethelo) switjha(config)# kopitsa ho qala-config ho qala-config | E boloka phetoho e sa khaotse ka ho qala bocha le ho qala hape ka ho kopitsa tlhophiso e sebetsang ho tlhophiso ea ho qala. |
Example
Example e bonts'a mokhoa oa ho lokisa likou tsa Ethernet 5 ho isa ho 12 bakeng sa sFlow sampler:
- switjha# lokisa terminal
- switjha(config)# sflow data-source interface ethernet 1/5-12
- switch(config)# kopi e sebetsang-config qala-config
[#############################################] 100% - switjha(config)#
Example e bonts'a mokhoa oa ho lokisa mocha oa port 100 bakeng sa sFlow sampler:
- switjha# lokisa terminal
- switjha(config)# sflow data-source interface port-channel 100 switjha(config)# kopi e sebetsang-config qala-config [################################################# ##################] 100%
- switjha(config)#
Ho netefatsa sFlow Configuration
Sebelisa litaelo tse latelang ho netefatsa tlhahisoleseling ea sFlow:
| Taelo | Morero |
| bontsha phallo | E bonts'a tlhophiso ea lefats'e ea sFlow. |
| bonts'a lipalo-palo tsa sflow | E bonts'a lipalo-palo tsa sFlow. |
| lipalo tse hlakileng tsa sflow | E hlakola lipalo-palo tsa sFlow. |
| bonts'a run-config sflow [kaofela] | E bonts'a tlhophiso ea hona joale ea sFlow. |
Tlhophiso Examples for sFlow
Exampe bonts'a mokhoa oa ho hlophisa sFlow:
- phallo ea tšobotsi
- phalla sampboleng ba 5000
- sflow max-sampboholo ba led 200
- sflow counter-poll-interval 100
- sflow max-datagboholo ba pheleu 2000
- sflow collector-ip 192.0.2.5 vrf management sflow collector-port 7000
- sflow agent-ip 192.0.2.3
- sflow data-source interface ethernet 1/5
Litlhahiso tse ling tsa sFlow
Lethathamo la 2: Related Documents for sFlow
| Sehlooho se amanang | Sehlooho sa Tokomane |
| Litaelo tsa sFlow CLI | Cisco Nexus 3000 Letoto NX-OS Tsamaiso Tsamaiso Reference Reference. |
| RFC 3176 | E hlalosa sebopeho sa pakete ea sFlow le SNMP MIB. |
Feature History bakeng sa sFlow
Tafole ena e kenyelletsa feela lintlafatso tsa likhatiso tse hlahisitseng litlatsetso kapa liphetoho sebopehong.
| Lebitso la Sebopeho | Litokollo | Lintlha tsa Sebopeho |
| Phalla | 5.0(3)U4(1) | Karolo ena e ile ea hlahisoa. |
Litokomane / Lisebelisoa
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Cisco Content Hub Configuring sFlow [pdf] Bukana ea Mosebelisi Content Hub Configuring sFlow, Configuring sFlow, Content Hub, sFlow |
