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Date: Tue, 20 May 2003 14:32:24 -0400
From: Chuck Swiger <cswiger@mac.com>
Organization: The Courts of Chaos
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cc: freebsd-ipfw@freebsd.org
cc: freebsd-net@freebsd.org
Subject: Re: Bridge + arp messages...
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Paiva, Gilson de wrote:
[ ... ]
> internet -- ep0 freebsd xl0 -- local clients
> 
> Bridging itself works fine, but arp loop messages won't stop...
> ex:
> brdg0 /kernel: -- loop (1) 00.00.c8.b3.a5.7e to xl0 from rl0 (active)
> brdg0 /kernel: -- loop (2) 00.60.97.70.59.bc to rl0 from xl0 (active)

Try "sysctl net.link.ether.inet.log_arp_wrong_iface=0"...

Just to be sure, ep0 and xl0 are on two seperate hubs which are not 
connected to each other, correct?  I don't believe that FreeBSD supports 
the spanning tree algorithm to prevent bridging loops...

-Chuck