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Making Secondary IP Address Effective

ashish.sehgal1
Level 1
Level 1

I want to make secondary ip address effective on the happening (say reachability failure using ip sla) of certain condition/event. 

e.g.

ip sla 1
icmp-echo 123.12.1.1
exit
ip sla schedule 1 life forever start-time now
!
track 1 ip sla 1 reachability

!
interface fa0/0
ip address 192.168.1.2 255.255.255.0 track 1
ip address 192.168.0.2 255.255.255.0 sec

I understand, we can not use track 1 with ip address commands but thats what I think is the way to make secondary IP address effective.

Please suggest, if there is any other way.

4 Replies 4

Ganesh Hariharan
VIP Alumni
VIP Alumni

Hello Ashish,

See normally we can do SLA monitor from source ip address using VIP and track can only be mapped with ip route command.

Hope it Helps..

-GI

Brother Ganesh,

I agree with you but as I remember, this is possible in Juniper, where both the IPs on the same interface can be effective at the same time. If that is not possible in Cisco, atleast we should have privilege to make secondary effective in case of happening of certain condition (ip sla etc.) or event.

would be amazing if Cisco can make it possible.

Hello Ashish,

Let me do some research and try to dig more information on your requirement.

-GI

brother Ganesh, appreciate your support on this.

I am sure cisco has capability to fulfill my requirement.

btw, good news is that I have found a work around solution of my road block. But, still I am looking if Cisco can make our lives easy by giving us desired solution (making Sec IP effective on occurence of some event).

AS