Configuring A Vpc Keepalive Link And Messages - Cisco Nexus 3548 Configuration Manual

Configuring a vPC Keepalive Link and Messages

Example
This example shows how to create a vPC domain:
switch# configure terminal
switch(config)# vpc domain 5
This example shows how to enforce the global level type-2 consistency check for the fast-convergence
configuration.
switch# show vpc consistency-parameters global
Name
-------------
Vlan to Vn-segment Map
QoS
Network QoS (MTU)
-----------------------------------------------------------------------------
-----------------------------------------------------------------------------
VTP pruning status
IGMP Snooping Group-Limit
Fast Convergence
Interface-vlan admin up
Interface-vlan routing
capability
Allowed VLANs
Local suspended VLANs
Configuring a vPC Keepalive Link and Messages
You can configure the destination IP for the peer-keepalive link that carries the keepalive messages. Optionally,
you can configure other parameters for the keepalive messages.
The Cisco NX-OS software uses the peer-keepalive link between the vPC peers to transmit periodic,
configurable keepalive messages. You must have Layer 3 connectivity between the peer devices to transmit
these messages. The system cannot bring up the vPC peer link unless the peer-keepalive link is already up
and running.
Ensure that both the source and destination IP addresses used for the peer-keepalive message are unique in
your network and these IP addresses are reachable from the Virtual Routing and Forwarding (VRF) instance
associated with the vPC peer-keepalive link.
Note We recommend that you configure a separate VRF instance and put a Layer 3 port from each vPC peer switch
into that VRF instance for the vPC peer-keepalive link. Do not use the peer link itself to send vPC peer-keepalive
messages.
Cisco Nexus 3548 Switch NX-OS Interfaces Configuration Guide, Release 9x
76
Legend:
Type 1 : vPC will be suspended in case of mismatch
Type Local Value
---- ---------------------- -----------------------
1 No Relevant Maps
2 ([], [], [], [], [],
[], [], [])
2 (1538, 0, 0, 0, 0, 0,
0, 0)
2 Disabled
2 8000
2 Enable
2 101-120
2 1,101-120
- -
- -
Configuring Virtual Port Channels
Peer Value
No Relevant Maps
([], [], [], [], [],
[], [], [])
(1538, 0, 0, 0, 0, 0,
0, 0)
Disabled
8000
Enable
1
-
-