Adjusting Arp cache timeout on rotuer interface

Unanswered Question
Mar 31st, 2009

If you have (failover) senario where adjusting the arp cache timeout on a router interface (from default of 4 hours) could prove beneficial is there a recommened minimal threshold to not go below in seconds?

Thanks,

Brandon

I have this problem too.
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mbroberson1 Tue, 03/31/2009 - 13:52

There is a setup with a vendor that when they failover to a backup link sometimes we have to manually clear arp on our primary router.

I wonder if the "arp probe interval" under the specific interface where arp needs to be cleared would be a good choice?

Thanks

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