howto isolate 2 nics?

[Bob Chiodini]

On Fri, 2006-09-22 at 07:24 -0400, Gene Heskett wrote:
> Greetings;
> 
> We have a machine that has two nics in it, one with an outside, world 
> visible internet address, and one with an address in the 192.168.xx.xx 
> range.
> 
> What we seem to be missing is a way to have requests for service generate 
> the reply on the same nic it came in on, as its currently settup with just 
> one gateway address, the replies are all going back out on the local 
> address.
> 
> We effectively need each nic to operate in its own domain, but with the 
> machine servers visible to both nics?
> 
> Can this be done?  URL's to tutorials?
> 
> Thanks in advance.
> 
> -- 
> Cheers, Gene
> "There are four boxes to be used in defense of liberty:
>  soap, ballot, jury, and ammo. Please use in that order."
> -Ed Howdershelt (Author)
> Yahoo.com and AOL/TW attorneys please note, additions to the above
> message by Gene Heskett are:
> Copyright 2006 by Maurice Eugene Heskett, all rights reserved.
> 

Please post the results of route -n and ifconfig -a.  It sounds like you
may have a default route issue.

Bob...