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Date:	Sun, 17 May 2009 21:13:26 -0700 (PDT)
From:	David Miller <>
Subject: Re: [PATCH 1/2] bridge: relay bridge multicast pkgs if !STP

From: Stephen Hemminger <>
Date: Fri, 15 May 2009 09:10:13 -0700

> Currently the bridge catches all STP packets; even if STP is turned
> off.  This prevents other systems (which do have STP turned on)
> from being able to detect loops in the network.
> With this patch, if STP is off, then any packet sent to the STP
> multicast group address is forwarded to all ports.
> Based on earlier patch by Joakim Tjernlund with changes
> to go through forwarding (not local chain), and optimization
> that only last octet needs to be checked.
> Signed-off-by: Stephen Hemminger <>

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