[TriLUG] multiple IP from the same network card?

[Chris Merrill]

Mike Johnson wrote:
> Outgoing requests/connections will originate with the IP
> address of the primary interface.  
<snip>
> If I understand what you're trying to do, it's not as easy as you think.
> You'll need to get down at the network layer, and play around with raw
> packets.  You need to craft packets with whatever source IP you want,
> with your MAC address, send the request and then cope with the response
> (and pass this up to your application, if needed).

Are you sure?  In Java, for instance, you can "bind" a socket to the
IP address of your choice.  I assume this is supported on all platforms.


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Chris Merrill
cmerrill at nc.rr.com
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