"martian source" messages flooding /var/log/messages

From: Nicholas Tung
Date: Sat Oct 24 2009 - 18:37:22 EST


Hi all,

I'm still getting about 1 printout per second about martian
packets on an ethernet interface. I tried disabling log_martians, but
it seems to have no effect. I have the interface configured without an
IP because it's used for bridging virtual machines.

Thanks in advance for your help,
Nicholas
https://ntung.com

> cat /proc/sys/net/ipv4/conf/eth1/log_martians
0
> tail -f /var/log/messages
Oct 24 15:31:36 ridge-inet2 kernel: martian source 192.168.1.108 from
192.168.2.23, on dev eth1
Oct 24 15:31:36 ridge-inet2 kernel: ll header:
ff:ff:ff:ff:ff:ff:00:1e:90:64:34:01:08:06
# ...
> uname -a
Linux ridge-inet2 2.6.27.29-0.1-default #1 SMP 2009-08-15 17:53:59
+0200 x86_64 x86_64 x86_64 GNU/Linux
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