[ale] IP Aliasing

[Gary Maltzen]

Try this, substituting appropriate IP addresses and masks...

1) add /etc/sysconfig/network-scripts/ifcfg-eth0:1

   DEVICE=eth0:1
   BOOTPROTO=static
   IPADDR=192.168.253.253
   NETMASK=255.255.255.0
   GATEWAY=192.168.253.1
   ONBOOT=no

2) issue the command 'ifup eth0:1' to bring the interface up
3) issue the command 'ifdown eth0:1' to take the interface down

The ifup/ifdown commands do lots of work for you

Q? If you are using a modular eth0, was that also built with ALIASing?

> I'm trying to setup up IP aliasing on one of my systems.    I've rebuilt
> the kernel (with IP_ALIAS), and I *believe* that I'm actually running
> the one I've built.  When I do an ifconfig eth0:1 with an IP address, I
> get no errors, but not interface is added either.  Any tips on anything
> else I can do and check?
> 
> (I've got this working on another system, it's just one that's
> stubborn).


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