[cisco-voip] intercluster trunk over IPSec VPN

[Adam Frankel (afrankel)]

Options Ping was added in 8.5(1).

The parameter "Allow TCP KeepAlives For H323 " should take care of this 
for H323 ICT.

-Adam


------------------------------------------------------------------------
*From:* Abebe Amare <abucho at gmail.com>
*Sent:* Thu, Feb 09, 2012 4:52:50 AM
*To:* Ryan Ratliff <rratliff at cisco.com>
*CC:* cisco voip <cisco-voip at puck.nether.net>
*Subject:* Re: [cisco-voip] intercluster trunk over IPSec VPN

> Hi Ryan,
>
> The CUCM version is 6.1.3.1000-16. Is the SIP options ping parameter 
> available in this version? Where would you enable it if it is available?
>
> thanks in Advance,
>
> Abebe
>
> On Wed, Feb 8, 2012 at 8:07 PM, Ryan Ratliff <rratliff at cisco.com 
> <mailto:rratliff at cisco.com>> wrote:
>
>     What about a SIP trunk with options ping enabled?
>
>     -Ryan
>
>     On Feb 8, 2012, at 7:05 AM, Abebe Amare wrote:
>
>     Hi Dennis,
>
>     Configuring a persistent L2L tunnel proved to be very elusive. I
>     settled for running a periodic ping scheduled to keep the tunnel
>     running.
>
>     Thanks for your help
>
>     Abebe
>
>     On Tue, Feb 7, 2012 at 6:16 PM, Dennis Heim <Dennis.Heim at cdw.com
>     <mailto:Dennis.Heim at cdw.com>> wrote:
>
>         I think you answered your own question. IPSEC tunnel's take
>         time to bring up. Maybe you could tweak some of the VPN
>         negotiating parameters, or create a separate L2 tunnel
>         profile/group just for your voice that is permanent and does
>         not have an inactivity timer.
>
>         Dennis Heim
>         Senior Engineer (Unified Communications)
>         CDW  Advanced Technology Services
>         10610 9^th Place
>         Bellevue, WA 98004
>
>         425.310.5299 Single Number Reach (WA)
>
>         317.569.4255 Single Number Reach (IN)
>         317.569.4201 Fax
>         dennis.heim at cdw.com <mailto:dennis.heim at cdw.com>_
>         _cdw.com/content/solutions/unified-communications/
>         <http://www.cdw.com/content/solutions/unified-communications/>
>
>         *From:*cisco-voip-bounces at puck.nether.net
>         <mailto:cisco-voip-bounces at puck.nether.net>
>         [mailto:cisco-voip-bounces at puck.nether.net
>         <mailto:cisco-voip-bounces at puck.nether.net>] *On Behalf Of
>         *Abebe Amare
>         *Sent:* Tuesday, February 07, 2012 4:10 AM
>         *To:* cisco voip
>         *Subject:* [cisco-voip] intercluster trunk over IPSec VPN
>
>         Dears,
>
>         I have configured an Inter-Cluster trunk from CUCM to another
>         site with CUCME. There is an IPSec L2L VPN terminating at ASA
>         5500 firewall on both ends
>
>         CUCM --->ASA 5540--->Internet <---ASA 5510<---CUCME
>
>         On the ASA,the IPSec tunnel is terminated after 30 minute of
>         inactivity (default) which is causing a problem. When a phone
>         in one site tries to call another phone in the other site
>         there is a noticeable gap before actual conversation is heard
>         over the phone. Once conversation starts, there is no delay or
>         break in audio. Has anyone faced this issue?
>
>         best regards,
>
>         Abebe
>
>
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>
>
>
>
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