From mboxrd@z Thu Jan  1 00:00:00 1970
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Date: Tue, 17 Apr 2007 13:36:19 +0200
From: Patrick McHardy <kaber@trash.net>
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Subject: Re: [Bridge] UDP Framgment
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To: Fernando Rodriguez <frod@aitelecom.net>
Cc: bridge@osdl.org

Fernando Rodriguez wrote:
> I currently run a bridge with mastershaper but I im having somme issues
> regarding the udp packets that are fragmented is seems that they are unable
> to cross the bridge as they should they reach the other side of the network
> unusable, I have been trying to read regarding this issue on internet but
> couldn't find any answers.


Possibly related to connection tracking, it defragments packets.
Try "echo 0 > /proc/sys/net/bridge/bridge-nf-call-iptables".