From mboxrd@z Thu Jan  1 00:00:00 1970
From: "Szabo Nandor" <medve@wenetto.hu>
Subject: Re: Are IP ALIASES supported by iptables?
Date: Tue, 29 Jul 2003 08:54:29 +0200
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HTB writes: 

> When i want to active nat using iptable on eth0:0 (aliasing) "error 
> appear"
> # /sbin/iptables -A POSTROUTING -j MASQUERADE -t nat -s 192.168.0.0/24 -o 
> eth0:0
> Warning: wierd character in interface `eth0:0' (No aliases, :, ! or *).

If eth0:0 has FIX IP address, you should try SNAT: 

# iptables -A POSTROUTING -t nat -s 192.168.0.0/24 -j SNAT --to IP_of_eth0:0 

Nandor Szabo