2. Enter the
ip vrrp <VRID> action preempt
command.
Checking the VLAN staus
Check that the VLAN in which VRRP routers are enabled is operational.
Procedure
1. Enter Privileged EXEC mode:
enable
2. Enter the
show vlan
command.
3. Observe the status displayed in the
Active
column for the VLAN.
VRRP preempt mode does not function
The VSP 7000 Series does not support VRRP preempt mode as defined in RFC 3768. A switch
performing as a VRRP master router within a VLAN is always preempted by a higher priority switch
that is added to the VLAN.
The preempt action supported by the VSP 7000 Series is designed to manually terminate an active
hold down state initiated on a virtual router by a configured hold down timer interval.
This section describes the troubleshooting process you can use to diagnose and resolve a situation
where VRRP preempt does not appear to function.
Critical IP
Ensure that critical IP functionality for the virtual router is enabled and that the critical IP address is
set to the IP address of the local L3 VLAN.
Checking critical VRRP interface information
Display and observe critical VRRP interface configuration information.
Procedure
1. Log on to ACLI to enter User EXEC mode.
2. Enter the
show ip vrrp interface verbose
command.
3. Observe if the virtual router is in
holddown
state.
4. Observe if
Critical IP
is enabled.
5. Observe and note if the
Critical IP Address
is the IP address of the local L3 VLAN.
VRRP preempt mode does not function
July 2015
Troubleshooting Avaya VSP 7000 Series
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