If you are asking if you can have one public IP address for two internal web
servers, the answer is no.  At least not with Cisco equipment.  That would
require a layer 4 NAT server.  Cisco NAT only operates at layer 3.  That
means the only thing that Cisco NAT will look at is IP address and port.  A
layer 4 will actually look at the header information to determine which web
server it should go to.

One workaround is to assign non-standard port numbers to additional web
servers.  One web server could use port 80, while another one could use port
8080, for instance.  This does make it a little harder to access, but it
does work.


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