Subject: Re: Usage of ipnat with 'rdr' command
To: None <dej@inode.org>
From: Markus Kilbinger <kilbi@rad.rwth-aachen.de>
List: current-users
Date: 06/08/1997 19:53:16
Hi David!

> Markus Kilbinger wrote:
> | 
> | ed1:
> | flags=9863<UP,BROADCAST,NOTRAILERS,RUNNING,SIMPLEX,LINK0,MULTICAST> \
> |       mtu 1500
> |         address: 00:00:c0:ac:c3:d3
> |         inet 134.130.10.116 netmask 0xffffff00 broadcast 134.130.10.255
> | 
> | When trying to 'telnet 192.11.100.155 7777' from the 'ed0' net (a
> | 192.11.100.x machine) I can see an araising ipnat rule with 'ipmon'
> | and 'ipnat -l', but no working telnet connection to 134.130.11.113.
> | 
> | What's my mistake?
> 
> 1. 134.130.10.116/24 is not directly reachable by 134.130.11.113.  Is your
> netmask set correctly?

Aaah! It's a typo in my mail: It's '134.130.10.113' instead of
'134.130.11.113', of course.

> 2. You may need a route on 134.130.11.113 to direct the return traffic back
>    to the NAT.

Hmm, 'telnet 134.130.10.113' on a '192.11.100.x' machine using my
mentioned ipfilter machine as an explicit router works. So in my
opinion the routes are there, but I don't understand why the 'rdr'
doesn't work!?

Markus.