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PLEASE HELP SOLVING THIS PROBLEM

os_abbas1
Level 1
Level 1

Our buissness will fail if we could not solve this problem.

we have 1720 cisco router that has 2 WIC one is the backup to the other.we need to chick if the communication through one WIC to a specific router connected to it failed the other WIC could keep the route to the same router .how could we do this(what is the configuration?)and what is the suitable IOS that we could use?

Please help.

2 Replies 2

Keong.leow
Level 1
Level 1

Abbas,

You define two routes in the router with different Administrative distance.

Define ip routes

ip route 0.0.0.0 0.0.0.0 serial0

ip route 0.0.0.0 0.0.0.0 serial1 170(Administrative distance is 170)

The route with least administrative distance is prefered if you have two similar routes in the routing table.

Hope this solves ur issue.

Dear Keong,

The problem appears when we disconnect the connection from a far hop,the router don?t negotiate that (coz its interface still UP) and don?t switch to the alternative WIC.Please if you find a solution to this problem send it to me.

Thank you for your effort.

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