From mboxrd@z Thu Jan  1 00:00:00 1970
From: "David Ruggles" <david@safedatausa.com>
Subject: Quick Routing question
Date: Tue, 4 Mar 2003 15:10:43 -0500
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I'm trying to learn netfilter so I've got a very simple setup.

I've got a Linux box with three interfaces. (I'm not using eth0 currently)
I've got two networks (eth2: 172.22.0.0 & eth1: 10.0.0.0)
I entered the following on the Linux box:
iptables -t nat -A POSTROUTING -o eth1 -j SNAT --to 10.9.0.254 (eth1's IP
address)

I've got a machine on each network: machine A is on 172.22.0.0 and machine B
is on 10.0.0.0
I'm trying to ping from A to B.
I can ping all the interfaces on the router but I can't ping B

I would expect to see the POSTROUTING chain counter increment for each ping
packet, but it doesn't. (It will increment if I ping from the Linux box to
B)

Any suggestions?

Thanks,
David Ruggles

CCNA MCSE (NT) CNA A+
Network Engineer, Safe Data, Inc
910-285-7200    david@safedatausa.com
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