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dpavun · 05-14-2015

Hi,the default ARP timeout is 4 hours in the cisco routers. When an ARP entry is going to expire, will the device send an ARP request to retain it's entry?for example,if the default timeout is 4 hours, at 3 hour 59 minutes, is there any ARP request w...

dpavun · 05-14-2015

Hi Richard, Why the router should send unicast ARP request before it is going to expire? If it sends, definitely it will get the reply unless the destination device is down. So, irrespective of traffic from that destination, the ARP entry for that de...

dpavun · 05-14-2015

Thanks for the reply markmalone :) But I have come across a post on this same forum with different answer, please refer the below link,https://supportforums.cisco.com/discussion/11416946/arp-cache-timeout-cisco-routers in which they mentioned "a unic...

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Does the ARP timeout issue an ARP request before it expires to retain the entry in the ARP cache?

Hi Richard, Is there any

Thanks for the reply