Thursday, March 19, 2009

Enabling arp on linux

Some devices may be preconfigured with arping disabled.
This may be seen either after running:
ifconfig interface

or by seeing a missing entry in the arp table.

This can be fixed by using the following command -
ifconfig interface -arp ip netmask netmask

E.g:
ifconfig eth0 -arp 192.56.78.254 netmask 255.255.255.0

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