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Cisco ASR 901 Series Aggregation Services Router Software Configuration Guide
OL-23826-09
Chapter27 Hot Standby Router Protocol and Virtual Router Redundancy Protocol
How to Configure VRRP
Router# configure terminal
Router(config)# interface Vlan10
Router(config-if)# ip address 10.10.10.22 255.255.255.0
Router(config-if)# standby 1 ip 10.10.10.20
Router(config-if)# standby 1 timers 1 4
Router(config-if)# standby 1 priority 90
Router(config-if)# standby 1 preempt delay minimum 10
Router(config-if)# standby 1 authentication cisco6
Router(config-if)# standby 1 track 1 decrement 20
Router(config-if)# end
Example: HSRP Text Authentication
The following example shows how to configure HSRP text authentication using a text string:
Router# configure terminal
Router(config)# interface Ethernet0/1
Router(config-if)# standby 1 priority 110
Router(config-if)# standby 1 preempt
Router(config-if)# standby 1 authentication text company2
Router(config-if)# standby 1 ip 10.21.0.10
How to Configure VRRP
This section contains the following procedures:
• Configuring VRRP
• Configuration Examples for VRRP
Configuring VRRP
Complete the following steps to configure VRRP:
Restrictions
• VRRP is supported only on IPv4 devices and not IPv6 devices.
• VRRP is supported only on gigabyte etherchannel interfaces of the Layer 3 SVI.
• Bidirectional Forwarding Detection (BFD) protocol is not supported.
• MD5 authentication is not supported.
SUMMARY STEPS
1. enable
2. configure terminal
3. interface type number
4. ip ip-address mask
5. vrrp [group-number] timers advertise [msec] interval
6. vrrp [group-number] preempt [delay minimum seconds]