2 NIC card. Which oe is connected to LAN?

Dick Middleton dick at lingbrae.com
Fri Dec 23 08:24:01 EST 2005

Neena M.S wrote:

>  i have two ethernet card .. one is connected to internet and other is 
> in intranet. how will i identify the intranet NIC ? checking the iup? is 
> there any other way to do the same?

If it's configured you can look at its IP address.  Otherwise looking at 
its MAC address is probably the best way.  The MAC address is normally 
written on the interface card should you be looking for positive 


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