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Configuring Secondary IP Addresses

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Tim Slaton
Novell, Inc.

01 Jul 2001


Each network interface on your server can have multiple IP addresses bound to it. The number of additional addresses that can be added depends on the amount of server memory. To bind temporary secondary IP addresses to a network board, go to the server console prompt and type:

ADD SECONDARY IPADDRESS <ip address>

This is especially useful when using BorderManager's NAT (Network Address Translation) in static mode. You can make one web server appear as though it were many. For example, each secondary address added can point to a different web page on the same web server, depending on the DNS (Domain Name Service) name used to reach the server. Or you can allow one web server in your private network to appear as several virtual servers, each with their own domain name.

You can add the console command to an "NCF" file to automate their bindings. To delete the secondary binding, perform the following:

DELETE SECONDARY IPADDRESS <ip address>

To display the secondary binding information, perfrom the following:

DISPLAY SECONDARY IPADDRESS

* Originally published in Novell AppNotes


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