Thanks Dave, the wiki solution is exactly what I wanted. I didn't realise m0n0 
had a wiki!

Thanks again,
Jon

On Friday 15 September 2006 01:23, David W. Hess wrote:
> I had this exact same problem using a similar Zyxel ADSL modem in bridge
> mode with PPPoE and m0n0wall.  My solution was related to some experiments
> I have been doing with IDS which required me to connect a hub between
> m0n0wall and the Zyxel and use a spare network connection on another system
> to monitor the PPPoE traffic.  Note that while this is not an ideal setup
> for IDS compared to an ethernet tap, I was able to verify its correct
> operation for relatively low speed links.  This setup had the side effect
> of allowing me to directly access my Zyxel on its IP address directly from
> the system running the IDS software.
>
> I did a search through my list archive and found a reference from almost a
> year ago to a more elegant solution to your problem on the wiki:
>
> http://wiki.m0n0.ch/wikka.php?wakka=AccessingModemOutsideFirewall
>
> On Thu, 14 Sep 2006 18:11:33 +0100, you wrote:
> >I've got here a device which I want to use as a plain ADSL to Ethernet
> > bridge and have m0n0wall doing PPPoE. I can do this, all works well. The
> > device is a ZyXEL P660R-60C I think.
> >
> >The problem with this setup is that I can no longer access the ZyXELs
> > telnet or web interfaces. I'd like to be able to create a subinterface or
> > assign a static IP to the WAN interface as well as use PPPoE on it.
> >
> >I do this with a Cisco 2600 series router and it works well.
> >
> >Is this possible with m0n0?
>
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