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Date:      Sat, 9 Nov 2002 15:44:19 +0100
From:      Roman Neuhauser <neuhauser@bellavista.cz>
To:        Matthew Seaman <m.seaman@infracaninophile.co.uk>
Cc:        freebsd-questions <freebsd-questions@FreeBSD.ORG>
Subject:   Re: problems getting 4.7-STABLE gateway to behave
Message-ID:  <20021109144419.GB3446@freepuppy.bellavista.cz>
In-Reply-To: <20021109103733.GA685@happy-idiot-talk.infracaninophi>
References:  <20021109102309.GA3446@freepuppy.bellavista.cz> <20021109103733.GA685@happy-idiot-talk.infracaninophi>

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# m.seaman@infracaninophile.co.uk / 2002-11-09 10:37:33 +0000:
> On Sat, Nov 09, 2002 at 11:23:09AM +0100, Roman Neuhauser wrote:
> 
> > A picture is worth a thousand words...
> > 
> >                 internet
> >                    |
> >                    v
> >             eth0/12.34.56.78
> >               linux (NAT)
> >             eth1/10.1.0.200
> >                    |
> >                   hub 1 -> Freepuppy de0/10.1.0.10
> >                    |
> >                    v
> >               vx0/10.1.0.1
> >                  Lilith
> >               ep0/10.0.0.1
> >                    |
> >                   hub 2
> >                    |
> >                    v
> >               rl0/10.1.0.25
> >                  Ishtar
> > 
> > Lilith, Freepuppy, and that Linux box (called "fw") can ping each other
> > w/o problems.  Ishtar can ping (and be pinged by) the windows boxes in
> > the same hub.  The problem is that nothing gets from Lilith to the other
> > side of hub 2, nor the other way around.
> 
> Does ishtar really have 10.1.0.25 as it's rl0 address?  If so, that's
> where the problem is.  lilith is expecting that everything on the
> 10.1.0.0/24 network can be reached through it's vx0 interface.

    no, that was a typo. the address was in fact 10.0.0.25.
    turned out it *was* the cable between Lilith and hub 2 after all.
    sounds unbelievable (to me at least), but through all the shuffling
    of the components, this cable must have remained a constant.

    I'm sorry about the wasted time.
 
> Try renumbering everything hanging off hub 2 so that they are on the
> 10.0.0.0/24 network.  Make sure that everything is using a /24
> netmask.  If you want ishtar and the other machines to be able to
> access the internet, you'll need to add a route on fw telling it that
> the 10.0.0.0/24 network can be reached via lilith's vx0 interface:
> 
>     route add -net 10.0.0.0/24 10.1.0.1
> 
> (or whatever the exact syntax of the linux route command is).

    since Lilith is meant as a replacement for the Linux box, I'm going
    to set up ipnat on her instead. it's just a plain bimap ATM.

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