[cisco-voip] natting on a cisco will it work properly on voice

[Linsemier, Matthew]

I had some issues with NAT and CallManager when we were doing some tests
in the past.  I believe that you will have to do some double NATing to
get this to work correctly.

We were testing a CallManager server in a DMZ with IP Communicator and
we ran into some issues, not with connectivity to the server, but with
the configurations that were downloaded to the phones downloaded.  The
server was NATed to a public address, but the configurations that were
being sent to the phones all had the private address of the server.
When the phones tried to register, they were trying to find the server
by the private address, not the NATed address.  I didn't spend too much
time with this so there is probably a workaround, but I thought I would
make a quick mention.

Matt

-----Original Message-----
From: cisco-voip-bounces at puck.nether.net
[mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Jonathan
Charles
Sent: Monday, November 12, 2007 10:01 AM
To: Alex Koss
Cc: Christopher M. Bomba; cisco-voip at puck.nether.net
Subject: Re: [cisco-voip] natting on a cisco will it work properly on
voice

Sure, why wouldn't it?

Just make sure Option 150 at the remote site points to the NAT address
of the Publisher...

If you are double NATting, it could get more complex, but as long as
you aren't screwing with the ports, everything should be okay...


J

On Nov 11, 2007 7:15 PM, Alex Koss <willams23 at hotmail.com> wrote:
>
>
> Hi
>    I wnat to ask if natting will work on voice properly on cisco
>  Alex
>
>
>  ________________________________
>  Date: Fri, 9 Nov 2007 10:32:33 +0200
> From: yahoo at cumhur.com
> To: cbomba at s4nets.com
> CC: cisco-voip at puck.nether.net
> Subject: Re: [cisco-voip] Using MRTG to monitor PRI usage
>
> Hi Chris,
>
> MIB: 1.3.6.1.4.1.9.10.19.1.1.1.1.7
> Also please check this page
>
http://www.cisco.com/univercd/cc/td/doc/cisintwk/intsolns/dialsol/nmssol
/mrtg.htm
>
> Best Regards,
> Cumhur
>
>
> On Nov 8, 2007 10:18 PM, Christopher M. Bomba <cbomba at s4nets.com>
wrote:
>
> I am trying to monitor or archive the usage of my PRIs I have.  I
heard you
> can use MRTG to do that.  Does anyone know the MIB I need to use to
get that
> information?
>
> Thanks,
> Chris
>
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