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 From:  Chris Buechler <cbuechler at gmail dot com>
 Cc:  m0n0wall at lists dot m0n0 dot ch
 Subject:  Re: [m0n0wall] OPT1 isnt answering... / NO Response from OPT1 ?
 Date:  Mon, 27 Jun 2005 01:51:18 -0400
On 6/26/05, S. Klapprott <sascha dot klapprott at freenet dot de> wrote:
> i have a WRAP Board with 3 Lan Ports, 1 for my DSL Modem and 2 for the LAN.
> OPT1 and the LAN Board runs in the Bridged mode.
> Jun 27 00:10:02 /kernel: -- loop (0) 04.4b. to sis1 from sis2
> (active)

Are LAN and OPT1 plugged into the same switch/hub?  It's detecting a
loop between OPT1 and LAN and shutting down OPT1 to prevent a
broadcast storm.  This only happens when it sees the same MAC address
sourced on both interfaces.