Re: Intermittent NAT failure when multiple hosts send UDP packets

[Patrick McHardy]

Bernardo Innocenti wrote:
> I'm sorry to say that this bug has shown up again on
> 2.6.13 too, so it's not fixed at all.
> 
> It's quite hard to trigger, but after it does, packets
> are consistently routed with the source IP untranslated.

Please try "echo 255 >
/proc/sys/net/ipv4/netfilter/ip_conntrack_log_invalid"
and modprobe ipt_LOG to see if conntrack ignores them because
of invalid checksums or something.
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