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 From:  "Jonathan De Graeve" <Jonathan dot De dot Graeve at imelda dot be>
 To:  <peter at iwebsl dot com>, "Chris Buechler" <cbuechler at gmail dot com>
 Cc:  <m0n0wall at lists dot m0n0 dot ch>
 Subject:  RE: [m0n0wall] arplookup error
 Date:  Sat, 25 Mar 2006 23:19:55 +0100
It can, and there is a specific feature for it on cisco called ip unnumbered

You shouldn't give your cisco the same ip as the m0n0 lan

J.

> -----Oorspronkelijk bericht-----
> Van: Peter [mailto:peter at iwebsl dot com]
> Verzonden: zaterdag 25 maart 2006 22:35
> Aan: Chris Buechler
> CC: m0n0wall at lists dot m0n0 dot ch
> Onderwerp: Re: [m0n0wall] arplookup error
> 
> Hi Chris
> 
> Thanks for responding.
> 
> The hookup is like this.
> 
> coax cable WAN -> Cisco -> xover to M0n0 -> switch -> LAN PC's
> 
> I have the m0n0 WAN interface set to the first public IP and the gateway
> IP. The Cisco router is supplying 3 outside IPs to m0n0 by default the
> Cisco router has a local IP 192.168.0.1 which is being broadcast to m0n0
> and I get this error:
>  /kernel: arplookup 192.168.0.1 failed: host is not on local network
> 
> If I program the Cisco router to the same subnet as m0n0 I get this error:
> /kernel: arp: 192.168.1.1 is on em0 but got reply from 00:13:10:51:a4:25
> on fxp0
> 
> I don't know why or how the router can have a local IP and a outside IP on
> the same ethernet port.
> 
> Peter
> 
> On Sat, 25 Mar 2006 15:18:15 -0500, Chris Buechler wrote:
> > On 3/25/06, Peter <peter at iwebsl dot com> wrote:
> >
> >> Agreed, so the best option is to forget about the "not on local
> >> network" error and leave the router on its own subnet?
> >>
> >
> > Unless I'm missing something, your network looks like:
> >
> > Internet -- Cisco -- m0n0wall -- LAN
> >
> > correct?
> >
> > but you have both sides of the m0n0wall, as shown above, on the same
> > broadcast domain.  You should really plug only m0n0wall into your
> > LAN,
> > and connect the Cisco and m0n0wall with a crossover cable on the WAN
> > side.
> >
> > -Chris
> >
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> 
>   ------------------------------------------------
>   Peter, peter at iwebsl dot com on 3/25/2006
> 
> 
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