Date: Fri, 5 Oct 2001 12:41:14 -0700 From: "Crist J. Clark" <cristjc@earthlink.net> To: "Jan J.W.H. Baggen" <j.baggen@stl-group.com> Cc: freebsd-questions@FreeBSD.ORG Subject: Re: ipnat just ICMP traffic Message-ID: <20011005124114.E310@blossom.cjclark.org> In-Reply-To: <000d01c14d9c$a395b960$0601a8c0@stlsys6>; from j.baggen@stl-group.com on Fri, Oct 05, 2001 at 02:52:44PM %2B0200 References: <20011004140102.G297@blossom.cjclark.org> <000d01c14d9c$a395b960$0601a8c0@stlsys6>
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On Fri, Oct 05, 2001 at 02:52:44PM +0200, Jan J.W.H. Baggen wrote:
>
> The situation:
>
> ZEBRA OSPF ROUTER (A)
> ----------------------------
> internet --- 10.224.1.5 ---| 10.224.1.14 -- 212.125.x.x |---
> 212.125.x.x
> ospf router | external internal | network
> (B)
> | xl1 xl0 |
> ----------------------------
>
> The problem:
>
> It is not possible to connect to the internet from host A. Machines in
> the network behind the ospf router (B) are able to connect. The host A
> canno connect because the IP 10.224.1.14 is not routable over the
> internet.
>
> I would like to rewrite 10.224.1.14 packets with an routable IP adres.
> But when i use the ipnat rule map xl 10.224.1.14/32 ->
> 212.125.141.129/32
> to do this the router loses connection with the upstream ospf router.
>
> How to rewrite IP packtes for the internet EXCEPT for the 10.x.x.x
> range?
> The communication with the upstream ospf router should be untouched,
> multicasting should be possible.
How about doing this the other way?
map xl1 212.125.x.y/32 to 10/8 -> 10.224.1.14/32
Assign 212.125.x.y as the address on xl1 and rewrite the packets going
to the 10-net.
--
Crist J. Clark cjclark@alum.mit.edu
cjclark@jhu.edu
cjc@freebsd.org
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