Re: [LUG] Martian source

[Grant Sewell <dclug@xxxxxxxxxxxxxxxxxx>]

On Fri, 8 Jul 2005 09:35:56 +0100
James Wonnacott wrote:

> I'm getting a huge amount of stuff about "martian source" in syslog
> along the lines of:
> 
> Jul  8 09:24:23 remote kernel: printk: 33 messages suppressed.
> Jul  8 09:24:23 remote kernel: martian source 10.0.15.255 from
> 10.0.12.117, on dev eth0
> Jul  8 09:24:23 remote kernel: ll header:
> ff:ff:ff:ff:ff:ff:00:05:5d:49:b1:6d:08:00
> 
> I googled for this and mostly things said it was to with stuff from
> another subnet..... but its not: here's my setup:
> 
> eth0      Link encap:Ethernet  HWaddr 00:30:48:52:CF:64
>           inet addr:10.0.12.10  Bcast:10.0.15.255  Mask:255.255.252.0
>           inet6 addr: fe80::230:48ff:fe52:cf64/64 Scope:Link
>           UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
>           RX packets:2889932 errors:0 dropped:0 overruns:0 frame:0
>           TX packets:141 errors:0 dropped:0 overruns:0 carrier:0
>           collisions:0 txqueuelen:1000
>           RX bytes:278620184 (265.7 Mb)  TX bytes:37658 (36.7 Kb)
>           Base address:0xd800 Memory:feb40000-feb60000
> 
> eth1      Link encap:Ethernet  HWaddr 00:30:48:52:CF:65
>           inet addr:10.0.12.2  Bcast:10.0.15.255  Mask:255.255.252.0
>           inet6 addr: fe80::230:48ff:fe52:cf65/64 Scope:Link
>           UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
>           RX packets:4155856 errors:0 dropped:0 overruns:0 frame:0
>           TX packets:984085 errors:0 dropped:0 overruns:0 carrier:0
>           collisions:0 txqueuelen:1000
>           RX bytes:1338239078 (1276.2 Mb)  TX bytes:229726705 (219.0 Mb)
>           Base address:0xe000 Memory:feb80000-feba0000
> 
> lo        Link encap:Local Loopback
>           inet addr:127.0.0.1  Mask:255.0.0.0
>           inet6 addr: ::1/128 Scope:Host
>           UP LOOPBACK RUNNING  MTU:16436  Metric:1
>           RX packets:9801 errors:0 dropped:0 overruns:0 frame:0
>           TX packets:9801 errors:0 dropped:0 overruns:0 carrier:0
>           collisions:0 txqueuelen:0
>           RX bytes:833677 (814.1 Kb)  TX bytes:833677 (814.1 Kb)
> 
> I only get these on eth0 never eth1.
> 
> Any suggestions please :)
> 
> James

Hi James.  Are you *certain* it's not coming from another subnet?  You do have a 
non-default subnet mask on both your interfaces?

Grant.
-- 
Artificial intelligence is no match for nuratal stidutipy.

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