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Date:      30 Jun 2002 16:34:23 -0600
From:      Kenneth Ingham <ingham@i-pi.com>
To:        questions@freebsd.org
Subject:   bridge loop without physical loop
Message-ID:  <1025476463.44331.14.camel@Clarke.i-pi.com>

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I'm having a problem where the bridging code seems to be doing weird
things.  To eliminate the possibility of a real loop, the second
ethernet interface is connected to a hub with no machines on it. 
However, I am still seeing messages like:

Jun 30 16:24:48 zprime /kernel: -- loop (0) 00.60.97.88.38.68 to ed1
from ep0 (active)

Even weirder are these:

Jun 30 15:31:46 zprime /kernel: arp: 00:60:97:8f:d5:92 is using my IP
address 66.120.218.4!
Jun 30 15:31:46 zprime /kernel: xx ouch, bdg_forward for local pkt

Of special note is that 00:60:97:8f:d5:92 is the ethernet interface of
the second ethernet card (the one hooked to the empty hub).

The two ethernet cards are:
ep0: <3Com Etherlink III 3C589> at port 0x240-0x24f irq 9 slot 1 on
pccard1
ed1 at port 0x300-0x31f irq 9 flags 0x80000 slot 0 on pccard0
(this is a Linksys 10/100 card)

Any suggestions about what is going on here?

-- 
Kenneth Ingham
ingham@i-pi.com


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