GS wrote:

> Withour Bridge enabled, how can I communicate from one PC to other PC
> within LAN?. Since my Linux Box should act like Router/Switch (To Route
> all local LAN packets to outside WAN, also I need to switch
> functionality to switch local LAN packets), for that I have to enable
> Bridging. Am I wrong?.

What is "Bridge"?

If you have a standard distribution,
you don't need to do anything except set up routing properly,
eg with system-config-network or Start=>System Settings=>Network ...
Packets will automatically go to the right place.

You should set up a firewall, eg shorewall,
on the box connected to the world.

Maybe I misunderstood the question.

--
Timothy Murphy
e-mail (<80k only): tim /at/ birdsnest.maths.tcd.ie
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s-mail: School of Mathematics, Trinity College, Dublin 2, Ireland