[155460] in North American Network Operators' Group
Provider standard ARP Timeout?
daemon@ATHENA.MIT.EDU (Jay Nakamura)
Fri Aug 10 10:24:45 2012
Date: Fri, 10 Aug 2012 10:23:26 -0400
From: Jay Nakamura <zeusdadog@gmail.com>
To: NANOG <nanog@nanog.org>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
Cisco default ARP timeout is 4 hours. Do anyone change that to
something shorter in a provider environment for customer with Ethernet
connectivity? What is a good value to set it to?
Are there any impacts for lowering the timeout? Other than higher CPU
util for doing ARP a lot more on the router?