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Re: [PLUG] spurious packets?
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Eric wrote:
> I see the following line repeated in the /var/log/messages file of a Red Hat ES
> 3 server:
>
> May 13 04:06:58 mainserver kernel: 10.20.0.31 sent an invalid ICMP type 3,
> code 3 error to a broadcast: 10.20.0.255 on eth0
>
> It appears to repeat quite periodically on about a 12 minute interval.
> Here is a sample of the times from this morning:
> 0:05
> 0:17
> 0:29
> 0:41
> 0:53
> 1:05
> 1:17
> 1:29
> 1:41
> 2:05
> 2:17
> 2:29
> 2:41
> 2:54
> 3:06
> 3:18
> 3:30
> 3:42
> 3:54
> 4:02
> 4:06
> 4:18
> 4:30
> 4:42
> 4:54
> 5:06
> 5:18
> 5:30
> 5:42
> 5:54
>
> The device at 10.20.0.31 is a Linksys WAP 11 (pretty old box actually).
>
> Google has been of no help to me here - any idea what this is?
>
>
>
> Thanks,
> Eric
>
http://www.iana.org/assignments/icmp-parameters
3 Destination Unreachable [RFC792]
check out the corresponding RFC...without seeing further logs or knowing
the kernel version or knowing your network topography, DHCP lease time,
etc. i'd guess it's a routing problem or ARP issue.
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