IP forwarding is on as the .1.x network can talk to the internet via eth1 on
10.0.0.x

Any other clues?

Many thanks

Mike

-----Original Message-----
From: dbrett [mailto:[EMAIL PROTECTED]]
Sent: Friday, 6 September 2002 09:21
To: '[EMAIL PROTECTED]'
Subject: RE: Routing / Bridging problem


It sounds like IP forwarding is not on.

Just a guess.

david

On Fri, 6 Sep 2002, Linux wrote:

> Hi Cameron
> 
> 192.168.1.x (eth0) is the local LAN which has internet access via
10.0.0.220
> and this works always has worked
> 
> Although there are other networks on x.x.2.x and x.x.3.x they are handled
by
> other systems
> 
> I have just implemented a new network at x.x.4.x. This is via a Radio wave
> LAN bridge. This is being implemented via our Linux RH7.2 box using
> IPTables. The .4.x network has been implemented as an aliased address on
> eth0 with the .1.x network
> 
> The interface card is at 1.220 for the local LAN and 4.220 for the radio
> LAN.
> 
> >From the radio network I can Ping 4.220 and get a reply. From the .1.x
> network I can ping the .4.220 and the .4.253 and 4.254 radio link bridge
> devices.
> 
> >From a PC at the other end of the radio bridge I can ping both  radio
> devices and the Linux interface @ 4.220.
> >From a PC at the other end of the radio bridge I cannot ping or contact
> either the 1.220 interface nor any PC on the .1.x network
> 
> Redhat 7.2 with IPTables eth0 has .1.220 and an aliases address .4.220
> 
>       Radio                   Radio                           Linux Box
>       End1                    End2                            xxxxxxx
>       xxxx                    xxxx                    4.220   x       x
> ---   x  x -----------        x  x ------------------ x       x-----eth1
> x.x.x.x = Internet
>       x  x                    x  x                    eth0    x       x
>       xxxx                    xxxx                    -       x       x
>       192.168.4.254   192.168.4.253   -       xxxxxxx
>                                                       -
>                                               eth0 also = 1.220 and other
> PCs on .1.x
> 
> 
> 
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