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Subject: -48- How can I set up IP aliases?
Date: Wed Sep 22 16:50:53 CDT 1999
An IP alias is an extra IP address which may be in a completely
different subnet and domain than a host's primary IP address. This is
often desired by WWW presence providers. An IP aliasing is a step
beyond a DNS alias, which is an extra hostname for the same IP
address. HTTP requests do not include the host name, so a server has
no way of knowing the host name to which a particular request was
sent. A server *can* determine the IP address to which a particular
request was sent and respond accordingly, so IP aliasing allows one to
have multiple independent servers on a single machine.
Patch 1356 to IRIX 5.3 allows IP aliasing. IRIX 6.2 and later does IP
aliasing without patches. The interim solution once available from
Silicon Surf is no longer available.
See also
http://www.amazing.com/internet/virtual-homer.html
http://www.apache.org/docs/virtual-host.html
http://www.thesphere.com/~dlp/TwoServers/
for general information and descriptions of other implementations.
Up: SGI admin Frequently Asked Questions (FAQ)
Next: -49- Where is ipfilterd documented?
Previous: -47- Why are network connections between SGIs and Suns much slower than between SGIs and SGIs or Suns and Suns?