91282-community tech-talk virtual port channel ( vpc ) operations and design best practices
TRANSCRIPT
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7/25/2019 91282-Community Tech-Talk Virtual Port Channel ( VPC ) Operations and Design Best Practices
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Nexus vPC
(Virtual Port Channel)
Vivek Ruhil
CCIE SP #40530
Advance Services
Pradeep Malik
CCIE R&S, SP #530
Advance Services
Vina! "uar
CCIE R&S #35$0
%S
Cisc' Supp'r( C'uni(! Presen(sTech-Talk Series
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vPC Definition
Virtual Port Ch
L2
SiSi SiSi
Non-vPC
Physical Topoloy Loical Topoloy
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!enefits of vPC
vPCDomain
STPDomain
STP Failure
SW1 SW2
SW3
SW4
SW
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vPC Ter"inoloy
vPCmember
port
vPC
vPCmember
port
vPC peer-link
vPC peer
vPC Domain
vPC
vPCmember
port
vPC Peer-keepalivelink
CFS protocol
OrphanPorts
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vPC #peration
2
3
MAC_C
MAC A
1
5
5
N5K-2
C)S
6
4
MAC_A
3
N5K-1N5K-1
N7K-1 N7K-1N7K-2
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vPC Consistency Check
Type $
Type 2
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vPC Confiuration
Folloin! steps are nee"e" to b#il" avPC $Or"er does Matter%&
* De'ne "omains
* (stablish Peer )eepaliveconnectivit*
* Create a Peer link
* +e#se port-channels an" CreatevPCs
* Make Sure Confgurations areConsistent
5 6
1 2
vPC member
+o#te" ,nterace
.ost Port
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vPC Confiuration % Cont&'N7K1!"# $%on&' ()*eature v+%N7K1!"# $%on&' ()v+% domain 1,N7K1!"# $%on&'v+%domain() +eer-ee+alive destination N7K2.PN7K1!"# $%on&'v+%domain()s/stem+riorit/ 2,,,N7K1!"# $%on&'v+%domain()role +riorit/ 1,,,
0N7K1!"# $%on&'() inter*a%e +ort%annel 1,N7K1!"# $%on&'i*() v+% +eerlin-0N7K1!"# $%on&'() inter*a%e eternet22N7K1!"# $%on&'i*() %annel'rou+2,N7K1!"# $%on&'() inter*a%e +ort%annel 2,N7K1!"# $%on&'i*() v+% 2,
N7K2!"# $%on&' ()*eatureN7K2!"# $%on&' ()v+% domN7K2!"# $%on&'v+%domadestination N7K1.PN7K2!"# $%on&'v+%doma
2,,,N7K2!"# $%on&'v+%doma0N7K2!"# $%on&'() inter*a%N7K2!"# $%on&'i*() v+% +0N7K2!"# $%on&'() inter*aN7K2!"# $%on&'i*() %anN7K2!"# $%on&'() inter*a%N7K2!"# $%on&'i*() v+% 2
S!"# $%on&'() inter*a%eeternet22S!"# $%on&'i*() %annel'rou+2,0S!"# $%on&'() inter*a%eeternet12
S!"# $%on&'i*() %annel'rou+2,
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vPC VerificationN7K!"#$%on&'() so v+% rie*
!e'end $( lo%al v+% is don *orardin' viavPC +eerlin-
vPC domain id 1,Peer status +eer ad9a%en%/*ormed o-vPC -ee+alive status +eer is aliveCon&'uration %onsisten%/ status su%%essvPC role +rimar/Numer o* vPC %on&'ured 1
vPC Peerlin- status
id Port Status "%tive vlans 1 Po1, u+ 11135::
vPC statusid Port Status Consisten%/ ;eason"%tive vlans
N7K!"#$%on&'() so v+% +eer-ee+alivevPC -ee+alive status +eer is alivePeer is alive *or $31,( se%onds$2:( mse%
Send status Su%%ess!ast send at 2,13
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vPC ailure Scenarios
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vPC Desin eco""en&ation ;e%ommendation *or vPCPeer !in-
1/ 0he vPC Peer ink sho#l" be orme"o a minim#m o 2 1( links on
separate linecar"s
2/ 0he 1( ports sho#l" becon'!#re" to operate in "e"icate"ban"i"th mo"e
3/ Con'!#re vPC Peer ink ports asS0P etork ports to enableSpannin! 0ree 7ri"!e 8ss#rance onthese links $ass#min! 78 is enable"!loball*&/
4/ (nable 9DD on vPC Peer inks
5/ +#nnin! a "e"icate" :8 ; S:,across the peer link to cater or#plink ail#re $e/!/ to the core& ma*also be "esirable/
;e%ommendation *orvPC Peer Kee+alive !in-
1/ De"icate" ink $1bps iss#
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