[CentOS] alias ip-addresses at loopback

Mon Sep 15 13:53:02 UTC 2008
Dmitry Cherkasov <doctorchd at gmail.com>

2008/9/15 Dmitry Cherkasov <doctorchd at gmail.com>:
> 2008/9/15 Robert Moskowitz <rgm at htt-consult.com>:
>>> Could anybody advice on the following problem.
>>> I need to assign several ip-addresses to 'lo' interface (beside
>>> It is convenient to me to implement NAT with such
>>> addresses.
>>> I can easily assign these addresses on running system with 'ip address
>>> add <some addr/prefix> dev lo'. Yet I cannot understand how to make
>>> these settings apply on boot time. Certainly it is possible to patch
>>> standard system scripts like /etc/rc.d/init.d/network, but I suppose
>>> there must be more straight way to do this.
>> This is well enough explained in
>> /usr/share/doc/initscripts-8.45.19.EL/sysconfig.txt
>> In /etc/sysconfig/network-scripts you need to create a file: ifcfg-l0:1
>> where all you really need is the ipaddr and netmask values.
> This works fine for 'eth' and does not work for 'lo'.

The problem has been solved.
The solution is to use file ifcfg-lo-range.

Dmitry Cherkasov