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Setting up IP Aliasing on A Linux Machine Mini-HOWTO

Setting up IP Aliasing on A Linux Machine Mini-HOWTO

Harish Pillay


Revision History
Revision 1.22001-01-26Revised by: JEY
Revision 1.12001-01-24Revised by: JEY
Revision 1.01997-01-13Revised by: HP

This is a cookbook recipe on how to set up and run IP aliasing on a Linux box and how to set up the machine to receive e-mail on the aliased IP addresses.

1. My Setup

  • IP Alias is standard in kernels 2.0.x and 2.2.x, and available as a compile-time option in 2.4.x (IP Alias has been deprecated in 2.4.x and replaced by a more powerful firewalling mechanism.)

  • IP Alias compiled as a loadable module. You would have indicated in the "make config" command to make your kernel, that you want the IP Masq to be compiled as a (M)odule. Check the Modules HOW-TO (if that exists) or check the info in /usr/src/linux/Documentation/modules.txt.

  • I have to support 2 additional IPs over and above the IP already allocated to me.

  • A D-Link DE620 pocket adapter (not important, works with any Linux supported network adapter).



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