Re: 2 IPs on one nic

From: max <maximilianbianco(at)gmail.com>
Date: Fri Apr 18 2008 - 17:56:53 EDT

Mikkel L. Ellertson wrote:
> Patrick Derwael wrote:

>> Hi list
>>
>> Can someone tell me how to add a 2^nd IP adress to a nic and ensure 
>> that 2^nd IP is kept after a reboot
>>
>> Tried ifconfig eth0 add aaa.bbb.ccc.ddd, but the IP is dropped after 
>> reboot
>>
>> Any idea ??
>>
>> Thanks !
>>

> I am not sure what you are trying to do, but maybe this will help:
>
> /etc/sysconfig/network-scripts/ifcfg-<interface-name> and
> /etc/sysconfig/network-scripts/ifcfg-<interface-name>:<alias-name>:
>
> The first defines an interface, and the second contains
> only the parts of the definition that are different in a
> "alias" (or alternative) interface. For example, the
> network numbers might be different, but everything else
> might be the same, so only the network numbers would be
> in the alias file, but all the device information would
> be in the base ifcfg file.
>
> This is from /usr/share/doc/initscripts-8.60/sysconfig.txt
>
> Mikkel
>

I assume its like creating a sub-interface(i think that's what its called) on a cisco router. I have limited experience with cisco stuff, maybe someone will chime in and fill in the blanks. Anyway its not hard to actually do it on a "real" router, just a handful of terminal commands is all it takes. Now if I could just remember them all, the command completion on a cisco router is pretty effective though.

Max

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Received on Fri Apr 18 17:57:22 2008