ICMP Keepalive

Unanswered Question
Sep 4th, 2002
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Is there any way in IOS to use a ping to a specific IP address as a keepalive? I am trying to implement a failover between two ISP connections without using BGP. I want the connection to switch to the backup if Layer 3 reachibility is lost, not when the Layer1 or Layer2 link fails.

Incoming traffic is not important, so there is no need to announce a specific subnet. The outgoing traffic will be nat'ed to an address on the outbound gateway device, so return traffic will traverse that link.

I know that there are other products that will do this, but don't know of a way in IOS.

Thanks for your help

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ali_khan Thu, 09/05/2002 - 08:52
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could you pls provide us with a little detail of ur setup and switch over conditions .



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