multiple external addresses on one interface

[galitz at uclink.berkeley.edu (Geoff Galitz)]

On Wed, 2005-04-13 at 17:35 -0400, ryanag@xxxxxxxxxxxxxxxx wrote:
> I want to add two IP ranges on one NIC card (eth0 and eth0:1). Has
> anyone done this before? 
> 
> The CentOS 4 gui keeps locking up when I try it there and the command
> line ifconfig seems to work, but ifup always returns the error that is
> never heard (no such device) of eth0:1


Yes.  I have done this on at least two Centos 4.0 systems and it works
for me.  Both times I configured it via the command line, though.  I
find the gui frontend for networking does not fill my needs.

-geoff