Lab 25. VRRP With IP SLA

R1(config)#no track 1 ip route 8.8.8.8 255.255.255.255 reachability

R1(config)#ip sla 1

R1(config-ip-sla)#icmp-echo 8.8.8.8 source-interface f0/1

R1(config-ip-sla-echo)#frequency 10

R1(config-ip-sla-echo)#timeout 5000

R1(config-ip-sla-echo)#track 1 ip sla 1 reachability

R1(config)#ip sla schedule 1 start-time now life forever

R1(config)#do show run int f0/1 | i decrement

vrrp 1 track 1 decrement 20

R1(config)#do show vrrp brief

Interface Grp Pri Time Own Pre State Master addr Group addr Fa0/1

1 110 3570 Y Master 192.168.12.1 192.168.12.254

R3(config)#int lo0

R3(config-if)#shutdown

R3(config-if)#exit

*Feb 3 12:37:17.739: %TRACKING-5-STATE: 1 ip sla 1 reachability Up->Down

R1(config)#

*Feb 3 12:37:20.871: %VRRP-6-STATECHANGE: Fa0/1 Grp 1 state Master -> Backup

R1(config)#

R1(config)#do show vrrp brief

Interface Grp Pri Time Own Pre State Master addr Group addr Fa0/1

1 90 3570 Y Backup 192.168.12.2 192.168.12.254

R2(config)#do show vrrp brief

Interface Grp Pri Time Own Pre State Master addr Group addr Fa0/1

1 100 3609 YMaster 192.168.12.2 192.168.12.254

R3(config)#int lo0

R3(config-if)#no shutdown

R3(config-if)#exit

*Feb 3 12:41:02.739: %TRACKING-5-STATE: 1 ip sla 1 reachability Down->Up

R1(config)#

*Feb 3 12:41:05.931: %VRRP-6-STATECHANGE: Fa0/1 Grp 1 state Backup ->

Master

R1(config)#do show vrrp brief

Interface Grp Pri Time Own Pre State Master addr Group addr Fa0/1

1 110 3570 Y Master 192.168.12.1 192.168.12.254

configsantuy