Provider standard ARP Timeout?
sh.vahabzadeh at gmail.com
Fri Aug 10 15:45:59 UTC 2012
I am using arp-timeout 900 (means 15min), because of having problems with
my upstream ethernet connection and everything is ok, and I have not seen
any relation between MAC Address aging time and that, aging time is default
300sec for me ;)
On Fri, Aug 10, 2012 at 6:53 PM, Jay Nakamura <zeusdadog at gmail.com> wrote:
> 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?
Shahab Vahabzadeh, Network Engineer and System Administrator
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