[ale] IP Masquerading Question

jeff hubbs hbbs at mediaone.net
Thu Jan 24 13:57:39 EST 2002


bkruger at mindspring.com wrote:

> I was looking at installing Knology cable in my house.  One of their plans requires that you send them the MAC address of the 

 > NIC

 to them for access.
> 
> If this is the case, will IP masquerading for a small subnet "spoof" the MAC address for all outward packets to the MAC of the NIC attached to the cable modem?  I've looked over some of the docs for IP Masquerading, but have not been able to confirm/deny this.  It is probably right under my nose....  
> 
> Regards - Bob Kruger 

Bob -

Don't take this as gospel, but this is pretty much exactly what I have 
done for ATT Broadband.  I started out with an NE2000 ISA NIC in a 
Windows box just to verify that everything was up and running and then 
moved it to a Coyote Linux box that performs NAT.  All outbound packets 
have the hardware MAC address regardless of their masquerading status.

- Jeff


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