From mboxrd@z Thu Jan  1 00:00:00 1970
From: Geffrey Velasquez <g_netfilter@netfids.com>
Subject: IP Alias and NAT problems
Date: Mon, 08 Dec 2003 23:17:16 -0500
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Hi Friends,

Actually I have a firewall running RedHat 8 with almost the latest=20
kernel (from RH).
The interface eth0 has many aliases and there is a nat rule:

iptables -t nat -A POSTROUTING -s 10.x.x.x/16 -j SNAT --to-source=20
200.x.x.10-200.x.x.21

(200.x.x.10-200.x.x.21 are IP aliases)

Everthing works fine, but when I try to do the same on RedHat9 (other=20
box) running the latest kernel it doesnt works. Only works with the IP=20
address of the interface (no alias), like this:

iptables -t nat -A POSTROUTING -s 10.x.x.x/16 -j SNAT --to-source 200.x.x=
.9

What is happening? why dont works SNAT with aliases? or maybe is not a=20
netfilter problem?


Thanks in advance.

Geffrey Vel=E1squez.