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 From:  "Michael MacLeod" <mikemacleod at gmail dot com>
 To:  "Chris Buechler" <cbuechler at gmail dot com>
 Cc:  m0n0wall at lists dot m0n0 dot ch
 Subject:  Re: [m0n0wall] LAN interface becomes unresponsive when modifying WAN interface settings
 Date:  Wed, 11 Oct 2006 17:32:25 -0400
The Bell modem/router uses 192.168.2.x for router mode. I'm using
192.168.1.x. Also, this happens when going from PPPoE to DHCP (Rogers gives
me a regular public IP, no router mode sillyness). The cable modem uses
192.168.10.x when it's not communicating properly with Rogers, which again
wouldn't cause problems. So I doubt it's an IP subnet thing.

On 10/11/06, Chris Buechler <cbuechler at gmail dot com> wrote:
> On 10/11/06, Michael MacLeod <mikemacleod at gmail dot com> wrote:
> > I did the flip, and changed from DHCP to PPPoE. Same problem. LAN side
> is
> > completely unresponsive. No output to the console (at least nothing
> within
> > the minute I waited). I wasn't in a position to verify whether the WAN
> > interface updated to the PPPoE connection successfully before I had to
> > reboot the machine, though that was the behaviour I'd seen before I
> switched
> > the cards.
> >
> > So, we can assume that it's not the cards, as the behavior is consistent
> for
> > whichever one is the LAN or the WAN card. Any other ideas?
> >
> My only idea at this point is your ISP is using something on the same
> IP subnet as your LAN, and when the PPPoE comes up, your WAN side has
> an IP within the same subnet as your LAN and hence m0n0wall gets
> confused.
> What I'd try next is changing your LAN subnet to something completely
> different.  Like if it's, change it to,
> or something like that.  In case they're using a
> somewhere, make sure you're entirely off that space.
> -Chris