[cisco-voip] VoIP over Hardware VPN

Wes Sisk wsisk at cisco.com
Thu May 28 17:48:08 EDT 2009


It depends on your setup.  If you are doing address translation then you 
must have it enabled.

If you are not doing address translation and do not dynamic port 
allocation (basically if you have permit ip any any) then you need to 
have it disabled.

So, engineer's favorite answer - it depends.

/Wes

On Thursday, May 28, 2009 3:56:48 PM, Jim Reed <jreed at swiftnews.com> wrote:
> *Thanks, Lelio.
> Are you referring to turning it on or turning it off!
> *--
> Jim Reed
> Swift Communications, Inc.
> 970-683-5646 (Direct)
> 775-772-7666 (Cell)
>
>
>
> On 5/28/09 1:55 PM, "Lelio Fulgenzi" <lelio at uoguelph.ca> wrote:
>
>     I think the biggest thing is "sccp fixup"....
>
>     ---
>     Lelio Fulgenzi, B.A.
>     Senior Analyst (CCS) * University of Guelph * Guelph, Ontario N1G 2W1
>     (519) 824-4120 x56354 (519) 767-1060 FAX (JNHN)
>     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
>     "Bad grammar makes me [sic]" - Tshirt
>
>
>     ----- Original Message -----
>     From: "Jim Reed" <jreed at swiftnews.com>
>     To: cisco-voip at puck.nether.net, ask-icd-ivr-support at external.cisco.com
>     Sent: Thursday, May 28, 2009 3:44:45 PM GMT -05:00 US/Canada Eastern
>     Subject: [cisco-voip] VoIP over Hardware VPN
>
>     VoIP over Hardware VPN *Anyone have any hints, tips, suggestions,
>     comments, concerns, etc., regarding running a single IP phone over
>     a hardware-to-hardware VPN.  I've tried it in the past but could
>     only seem to get voice going in one direction.  It's been a while
>     and I'm going to give it another shot.  Will be working with ASA
>     5505 on one and ASA 5510 on the other.  Call Manager 4.x.
>      Probably a 7940 or 7960 phone.  Internet connections are
>     15-Meg-Over-Ethernet on one end and 10-Meg-Over-Ethernet on the
>     other.  Current ping times between devices on the two ends are
>     consistently very fast -- less than 100ms over extended ping tests.
>
>     Any advice, anecdotal wisdom, personal experience, etc., that
>     anyone has had in trying to do this is sincerely welcome and
>     appreciated.
>
>     Thank You...
>     *
>
>
> ------------------------------------------------------------------------
>
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> cisco-voip at puck.nether.net
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>   

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