Re: [nsp] ip nat inside -> inside static

From: Tim Devries (zsolutions@cogeco.ca)
Date: Wed Jan 16 2002 - 02:27:32 EST


I know this can be done on a PIX using the 'alias' command. I've never
tried on a router.

----- Original Message -----
From: "kevin graham" <kgraham@dotnetdotcom.org>
To: <cisco-nsp@puck.nether.net>
Sent: Tuesday, January 15, 2002 10:16 PM
Subject: [nsp] ip nat inside -> inside static

>
> I wrote the list on this back in October and have yet to find a solution,
> so I thought I'd give it another shot.
>
> I'm trying to find a way to permit an inside host to connect to an inside
> static.. ie:
>
> access-list 10 permit 192.168.0.0 0.0.0.255
> ip nat pool GBL 1.1.1.2 1.1.1.2
> ip nat inside source static tcp 192.168.0.10 1.1.1.3 25 extendable
> ip nat inside source list 10 pool GBL overload
>
> If a host on 192.168.0/24 attempts to connect to 1.1.1.3 25/tcp, the
> router will generate a RST, rather than doing what (IMHO) seems intuitive
> which is src translating to 1.1.1.2 (pool GBL overload), then dst
> translating to 192.168.0.10 (static tcp).
>
> Does anyone know of a decent hack to make this work and/or if Cisco even
> considers is a problem to be addressed in a future release?
>
> thanks.
> ..kg..
>



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