[c-nsp] Using NAT with servers and dual ISP

Brett Looney brett at looney.id.au
Mon Apr 5 19:47:41 EDT 2010


> My consfusin is handling inbound connections to the customer servers.
> I can define inbound static mappings but how do the packets that the 
> server sends in response make it way through the router and avoid
> going out the wrong interface.

Although it is a bit of a hack, one way of doing this is to put a second IP
address on the server in question and NAT to that address on the second
inbound service instead. That way you can identify the packets.

B.



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