CANOGA PERKINS 9171 Configuration Guide User Manual

Page 129

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CanogaOS Configuration Guide

20-6

20.6.3 Outputs

The following outputs on R1and R2 display the complete configuration for each session
on R1 and R2. In session one R1 is the master router and in session 2 R2 is the master
router.

R1#show vrrp 1
VRID <1>
State : Master
Virtual IP : 10.10.10.81(IP owner)
Interface : eth-0-1
VMAC : 0000.5e00.0101
Advt timer : 5
Preempt mode : TRUE
Auth type : NONE
Conf pri : Unset Run pri : 255
R1#show vrrp 2
VRID <2>
State : Backup
Virtual IP : 10.10.10.82(Not IP owner)
Interface : eth-0-1
VMAC : 0000.5e00.0102
Advt timer : 5
Preempt mode : TRUE
Auth type : NONE
Conf pri : 200 Run pri : 200
R2#show vrrp 1
VRID <1>
State : Backup
Virtual IP : 10.10.10.81(Not IP owner)
Interface : eth-0-1
VMAC : 0000.5e00.0101
Advt timer : 5
Preempt mode : TRUE
Auth type : NONE
Conf pri : 200 Run pri : 200
R2#show vrrp 2
VRID <2>
State : Master
Virtual IP : 10.10.10.82(IP owner)
Interface : eth-0-1
VMAC : 0000.5e00.0102
Advt timer : 5
Preempt mode : TRUE
Auth type : NONE
Conf pri : Unset Run pri : 255

20.6.4 VRRP Circuit Failover

The need for VRRP Circuit Failover arose because VRRPv2 was unable to track the
gateway interface status. The VRRP Circuit Failover feature provides a dynamic failover
of an entire circuit in the event that one member of the group fails. It introduces the
concept of a circuit, where two or more Virtual Routers on a single system can be
grouped. In the event that a failure occurs and one of the Virtual Routers performs the
Master to Backup transition, the other Virtual Routers in the group are notified and are
forced into the Master to Backup transition, so that both incoming and outgoing packets
are routed through the same gateway router, eliminating the problem for Firewall/NAT
environments.
Note: Currently, only one interface is supported in a circuit Failover for a VRRP session.

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