Re: Routing problem
On Mon, 13 Feb 2006 21:43:08 +0000
jb701@uku.co.uk wrote:
> I cannot get my linux box to act as a router, I'm hoping someone can help.
>
> My setup is sarge on a machine with 2 NICs, 192.168.1.2 and 192.168.2.1.
>
> I attach 192.168.1.2 to another machine with 2 NICs [192.168.1.1 and
> 192.168.0.6]. This is a Win2K machine, and it routes connections from the
> linux box to other machines on the 192.168.0.0/24 network.
>
> I now want to attach another machine [192.168.2.2] to 192.168.2.1. This
> machine [192.168.2.2] can ping either NIC in the linux box, but it cannot
> contact machines beyond it.
>
> I have used echo 1 > /proc/sys/net/ipv4/ip_forward. Made no difference.
>
> I have tried using iptables but from what I can tell, I should not have to
> use that - the linux box ought to forward packets anyway.
http://tldp.org/HOWTO/IP-Masquerade-HOWTO/firewall-examples.html#RC.FIREWALL-IPTABLES
AFAIK it doesn't just forward packets by default... i haven't used a linux box for NAT since kernel 2.4 though.
----------
Shawn Lamson
slnj@optonline.net
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