Ya, I have configured IP SLA in our network to track the remote ip reacahbility .
If the primary remote link is down, the failoever will happen automatically.
Example :
If you have 2 link to your ISP and if the primary link is down and the traffic has to divert to secondary automatically,then you can use IP SLA to track the primary link.
After that apply this configuration into your inside HSRP config.if primary link is down, then the track will reduce the HSRP priority value from 110 to 80.
Since the default HSRP value 100 is configured in secondary router, all the traffic will go via secondary link and there will be no impact.
Router 1 :
ip sla monitor 1
!
type echo protocol ipIcmpEcho source-ipaddr
frequency 300 !
ip sla monitor schedule 1 life forever start-time now
rtr 1 track 1 reachability
int xxxx ip address 1.1.1.2 255.255.255.0 standby 2 ip 1.1.1.1 standby 2 priority 110 standby 2 track 1 decrement 30 standby 2 preempt
Router 2:
int xxxx ip address 1.1.1.3 255.255.255.0 standby 2 ip 1.1.1.1 standby 2 preempt
Regards Karuppu
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