dean gaudet wrote:
hi...
i ran into some problems recently which would have been avoided if my box
did a gratuitous arp as it brought up all interfaces (the router took
forever to timeout the ARP entries for interface aliases). so i set about
looking to see why that wasn't happening.
i either missed it, or there's no code in the kernel to do it -- but
that's cool, because it's easy enough to do from userland. i'm guessing
this is the intention.
however my debian and ubuntu boxes aren't doing grat arp and don't seem to
have options to do it (i do know about using various other tools such as
arping, send_arp, garp to do it manually).
before i go opening bugs with the distribution folks, could someone chime
in as to what is the recommended approach these days? did grat arp fall
out of favour, or is it just a case of userland not keeping up?
thanks
-dean
Are you 100% sure about this?
Have you done a packet sniff on the network?
A lot of routers ignore gratuitous arp for security reasons.
James
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