IP-Aliasing:
============


o For IP aliasing you must have IP_ALIAS support included by static
  linking.

o Alias creation.
  Alias creation is done by 'magic' iface naming: eg. to create a
  200.1.1.1 alias for eth0 ...
  
    # ifconfig eth0:0 200.1.1.1  etc,etc....
                   ~~ -> request alias #0 creation (if not yet exists) for eth0
    and routing stuff also ...
    # route add -host 200.1.1.1 dev eth0:0  (if same IP network as
					    main device)
   
    # route add -net 200.1.1.0 dev eth0:0   (if completely new network wanted
					    for eth0:0)

o Alias deletion.
  Also done by shutting the interface down:

    # ifconfig eth0:0 down
                 ~~~~~~~~~~ -> will delete alias

  		   		   
Alias (re-)configuring

  Aliases are not real devices, but programs` should be able to configure and
  refer to them as usual (ifconfig, route, etc).

Relationship with main device
-----------------------------

  - the main device is an alias itself like additional aliases and can
    be shut down without deleting other aliases.

Contact
-------
Please finger or e-mail me:
   Juan Jose Ciarlante <jjciarla@raiz.uncu.edu.ar>

Updated by Erik Schoenfelder <schoenfr@gaertner.DE>

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