[ale] how to do 'gratituous ARP broadcast'

[flowe at switchco.com (Cleveland Flowe)]

"Jerry Z. Yu" wrote:
> 
> anybody has done a 'gratituous ARP broadcast' from a Linux box?
> 
> /sbin/arp doesnot seem to be it?
> I am replacing a production box with a new one with the different NIC
> (aka, different MAC addr). I want to let the gateway machine see the
> the new MAC right away instead of waiting for ARP cache timeout on the
> gateway machine.

try arping.
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