Re: Multiple MAC address on one interface

[Jeremiah Cornelius <jeremiah () nur net>]

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> So, is there some cheap way to have one NIC
> respond to multiple MAC addresses?  I'm most comfortable with Linux, but
> if I needed to use BSD or something else I'd be willing to do that.

So,  what you are talking about is proxy ARP.   An interface that responds at 
layer-2 as if it were multiple different hosts.  This is a necessary funtion 
to enable many static-NAT implementations - such as CheckPoint FW-1

Linux:

http://www.sjdjweis.com/linux/proxyarp/

http://www.linux.com/howtos/Proxy-ARP-Subnet/intro.shtml





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