Configuring Vpcs; Default Settings - Cisco 7206 - VXR Router Configuration Manual

Default Settings

S e n d d o c u m e n t c o m m e n t s t o n e x u s 7 k - d o c f e e d b a c k @ c i s c o . c o m
•
•
•
•
•
Default Settings
Table 7-2
Table 7-2
Parameters
vPC system priority
vPC peer-keepalive message
vPC peer-keepalive interval
vPC peer-keepalive timeout
vPC peer-keepalive UDP port
Note

Configuring vPCs

Note You must use these steps on both devices on either side of the vPC peer link. You configure both of the
vPC peer devices with these procedures.
This section describes how to configure vPCs using the command-line interface (CLI) and includes the
following topics:
•
•
•
•
Cisco Nexus 7000 Series NX-OS Interfaces Configuration Guide, Release 5.x
7-30
If you configure OSPF in a vPC environment, use the following timer commands in router
configuration mode on the core switch to ensure fast OSPF convergence when a vPC peer link is
shut down:
switch (config-router)# timers throttle spf 1 50 50
switch (config-router)# timers lsa-arrival 10
See the Cisco Nexus 7000 Series NX-OS Unicast Routing Configuration Guide, Release 5.x, for
further details about OSPF.
BFD for HSRP is not supported in a vPC environment.
The STP port cost is fixed to 200 in a vPC environment.
A single vPC domain between two VDCs on the same physical Cisco Nexus 7000 device is not
supported.
Jumbo frames are enabled by default on the vPC peer link.
lists the default settings for vPC parameters.
Default vPC Parameters
Enabling vPCs, page 7-31
Disabling vPCs, page 7-32
Creating a vPC Domain and Entering the vpc-domain Mode, page 7-33
Configuring the vPC Keepalive Link and Messages, page 7-34
Chapter 7
Default
32667
Disabled
1 second
5 seconds
3200
Configuring vPCs
OL-23435-03