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 From:  Frederick Page <fpage at thebetteros dot oche dot de>
 To:  m0n0wall at lists dot m0n0 dot ch
 Subject:  Invalid ICMP type 3 code 0 on LAN
 Date:  Wed, 25 Aug 2004 15:24:21 +0200
Hi everybody,

since upgrading to firmware 1.1 one client (Debian Linux) keeps
complaining (every few seconds the following message appears on the
root console):

192.168.100.100 (this is m0n0wall) sent an invalid ICMP type 3, code 0
to a broadcast 192.168.100.255 on eth0

This is just annoying, there does not seem to be a problem, the Linux
client can access the LAN and WAN just fine.

The other clients (Windows XP and OpenBSD 3.5) do not seem to mind.
"ifconfig -a" on the Linux-machine shows nothing unusual, MTU is 1500
on eth0.

I'm however wondering, why m0n0wall would send ICMP type 3 to the
broadcast-address?

Kind regards   Frederick