You could just enter "clear arp" this will force a refresh. If you
want to totally clear an entry shut/no shut the interface it was
learned on. Of course, make sure this isn't the interface you are using
for your telnet session |:)
Fred.
"Hinds, Jarrett (contractor)" wrote:
>
> I believe, by default, the timeout for ARP on a 3640 is four hours. I was
> wondering if there is anyway to force an update of this ARP table without
> having access to the router to manually clear the table. Would pinging the
> router from a box with the same IP address, but different MAC do the trick?
> Or do I have to wait the four hours for a timeout?
>
> Thanks,
>
> Jarrett
>
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