Thursday, October 11, 2012

Floating Static Route (or) Failover Static Route

Floating Static Route / Redundancy Static Route

ip route 2.2.2.0 255.255.255.0 10.1.12.2
ip route 2.2.2.0 255.255.255.0 10.1.13.3 250
ip route 3.3.3.0 255.255.255.0 10.1.13.3
ip route 3.3.3.0 255.255.255.0 10.1.12.2 250
ip route 10.1.23.0 255.255.255.0 10.1.13.3
ip route 10.1.23.0 255.255.255.0 10.1.12.2 250

Add "Administrative Distance" after static route. (0-254 usable)
AD for "ip route 2.2.2.0 255.255.255.0 10.1.12.2" is 0 (zero is highest priority)
AD for "ip route 2.2.2.0 255.255.255.0 10.1.13.3 250" is 250 (standby route)

!Testing plan from Router 1

show ip route
2.0.0.0/24 is subnetted, 1 subnets
S       2.2.2.0 [250/0] via 10.1.12.2
should be successful ping to 2.2.2.2

!shutdown the int f0/0

show ip route (routing table changed)
2.0.0.0/24 is subnetted, 1 subnets
S       2.2.2.0 [250/0] via 10.1.13.3
should be successful ping to 2.2.2.2


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