What if you create a virtual interface on the internal DB server with the
External IP?
Setup the listener.ora file to listen on both the internal IP interface and
external IP interface.
Connections should only go to the internal IP interface; and the listener
should be able to
handle that.

By creating an 'external interface' on the DB server, this should 'plumb'
the listener for
external connections.

Anyone want to give that a try?

--
The early bird gets the worm, but the second mouse gets the cheese..

Trevor Paquette              |    AT&T Canada     |Work:(403)705-6390
[EMAIL PROTECTED]|600, 205 5th Ave SW | Fax:(403)705-9601
http://www.attcanada.com     |Calgary, AB, Canada |ICBM:51'03"N/114'05"W
Senior Unix Network Architect|       T2P 2V7      |Mind:In the Rockies

> -----Original Message-----
> From: [EMAIL PROTECTED] [SMTP:[EMAIL PROTECTED]]
> Sent: Wednesday, June 14, 2000 1:41 AM
> To:   [EMAIL PROTECTED]
> Subject:      RE: [FW1] SQLnet over NAT issue..
> 
> 
> >2) Configure the listener.ora file on the DB server to 
> > use the EXTERNAL IP of the database. Not the internal one.
> 
>  Unfortunately, Oracle listener service won't start with that (tested on
> Oracle for WinNT, 8.0.5). I've faced this problem several times and
> haven't found a good solution yet. Fortunately, I've been always able to
> find some workaround, but nothing that would work in general.
> 
>  Regards,
> 
>   Jirka Vejrazka
> 
> 
> ---------------------------------------------------
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