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Cisco Cisco Nexus 2224TP GE Fabric Extender White Paper

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© 2014 Cisco | IBM. All rights reserved. 
Page 15 
4.  Configure the vPC peer link: 
 
N5548-Bottom# 
interface port-channel 20
 
N5548-Bottom(config-if)# 
interface ethernet 1/9 
N5548-Bottom(config-if)# 
channel-group 20
 
N5548-Bottom(config-if)# 
interface ethernet 1/10
 
N5548-Bottom(config-if)# 
channel-group 20
 
 
 
N5548-Bottom(config-if)# 
interface port-channel 20
 
N5548-Bottom(config-if)# 
vpc peer-link
 
Please note that spanning tree port type is changed to "network" port type on vPC peer-
link.   
This will enable spanning tree Bridge Assurance on vPC peer-link provided the STP Bridge 
Assurance(which is enabled by default) is not disabled. 
N5548-Bottom(config-if)# 
 
 
N5548-Top# 
interface port-channel 20
 
N5548-Top (config-if)# 
interface ethernet 1/9
 
N5548-Top(config-if)# 
channel-group 20
 
N5548-Top(config-if)# 
interface ethernet 1/10
 
N5548-Top(config-if)# 
channel-group 20
 
 
 
N5548-Top(config-if)# 
interface port-channel 20
 
N5548-Top(config-if)# 
vpc peer-link
 
Please note that spanning tree port type is changed to "network" port type on vPC peer-
link. 
This will enable spanning tree Bridge Assurance on vPC peer-link provided the STP Bridge 
Assurance(which is enabled by default) is not disabled. 
N5548-Bottom(config-if)# 
 
 
5.   Check the vPC status: 
 
N5548-Bottom(config-if)# 
show vpc
 
Legend: 
                (*) - local vPC is down, forwarding via vPC peer-link 
 
vPC domain id                   : 5 
Peer status                     : peer adjacency formed ok 
vPC keep-alive status           : peer is alive 
Configuration consistency status: success 
Per-vlan consistency status     : success 
Type-2 consistency status       : success