Possible case of ip forwarding

[Stuart Murray-Smith]

> > I have migrated to linux from windows recently. The distro I am
> > running is FC6 64 bit.
> >
> > I have a desktop running windows and a laptop running FC6.
> > Can I have my desktop's internet traffic , go through my laptop
> > ?
> >
> > Laptop is able to access internet without any issues. Please note
> > that my laptop has only the single wireless NIC enabled(I dont want
> > to enable my wired interface for this case) which it uses to go
> > online.So no case of routing here.
> >
> > In other words , can my laptop , by being a standalone computer that
> > it is , act as a default gateway for my desktop ?
> > I changed my desktop's default default gateway to be my
> > laptop's ip address.
> >
> > If I am confusing you guys , here's a small schematic
> > illustration of my requirement :-
> >
> > Desktop ----------->>Laptop(ip=x.x.x.216) --> Internet
> >  ip=x.x.x.78
> > g/w=laptop ip
> > Laptop's gateway is the default gateway of the network.
> > My take here is that once the desktop's traffic is destined to
> > the internet and hits the laptop's NIC , the laptop will drop it
> > simply because it cannot reroute that packet on its own interface back
> > to the gateway(192.168.128.254). If I am right about this statement ,
> > then my question is , how can I tell my laptop to forward the
> > connection or reroute it ?  Or is it possible at all ????
> > Can I make use of ip forwarding here ?
> >
> >
> Can the desktop connect to the laptop while it is connected to the
> Internet? Are you trying to use the wireless card to connect to the
> Internet and the desktop at the same time?
>
> Just about any of the firewall packages will let you set up NAT on
> your Linux box. This will let you share the connection. Without NAT,
> you would need more then 1 IP address from your ISP to make it work.

Here's an excellent firewall script that'll get you NATting in no time
:-) Just adapt the var's to your requirements

http://www.brennan.id.au/06-Firewall_Concepts.html#examplescript

HTH

Stu@


-- 
Then you will know the truth, and the truth will set you free.