Hi Celejar, On Wed, Apr 14, 2010 at 05:20:31PM -0400, Celejar wrote: > Does Linux respect gratuitous arp replies? This page claims that it > does: > > Linux kernels will respect gratuitous ARP frames. > > http://linux-ip.net/html/ether-arp.html It depends on your configuration: If you do: echo 1 > /proc/sys/net/ipv4/conf/all/arp_accept it will accept them. With echo 0 > /proc/sys/net/ipv4/conf/all/arp_accept they are ignored. Axel