[cisco-voip] SRST and dial peers and trunk groups and CallManager MGCP config downloads

[Jason Aarons (US)]

However if you disable ccm-manager config you also can't reset port, etc.  It's a catch 22. I don't recommend it, I once had a bad bug where ccm-manager config was wiping out fxs interface information....

From: cisco-voip-bounces at puck.nether.net [mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of VoIP Guy
Sent: Friday, October 08, 2010 10:48 AM
To: Matthew Loraditch
Cc: cisco-voip at puck.nether.net
Subject: Re: [cisco-voip] SRST and dial peers and trunk groups and CallManager MGCP config downloads

It might just be worth disabling the command ccm-manager config which means that your config should not be overwritten.
On Fri, Oct 8, 2010 at 3:32 PM, Matthew Loraditch <MLoraditch at heliontechnologies.com<mailto:MLoraditch at heliontechnologies.com>> wrote:
I don't think you have a choice. The serial port configs are controlled by ccm in mgcp mode its always going to overwrite anything not from ccm when it resets.

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-----Original Message-----
From: Lelio Fulgenzi [lelio at uoguelph.ca<mailto:lelio at uoguelph.ca>]
Received: 10/8/10 10:10 AM
To: voyp list [cisco-voip at puck.nether.net<mailto:cisco-voip at puck.nether.net>]
Subject: [cisco-voip] SRST and dial peers and trunk groups and CallManager MGCP config downloads
So here's my scenario:

 *   3845/3945 router with two or more PRIs
 *   PRIs are in MGCP mode using "ccm-manager config" to download configs
 *   router acts as SRST so MGCP gateways go into H323 fall back
I had tried configuring trunk groups to use with the dial peers so i wouldn't have to duplicate them for each PRI. This worked until the second SRST trigger. So the behaviour was this:

 *   configure trunk group membership on serial interface as instructed by TAC
 *   configure dial peers to point to trunk group
 *   trigger SRST, make calls, calls work
 *   revert back to normal operation
 *   router downloads MGCP config from CallManager, effectively wiping out the trunk group membership on serial interfaces
 *   trigger SRST, make calls, calls fail because there are no trunk group members
How are others handling this scenario, i.e. you are using MGCP with "ccm-manager config" command and SRST and trunk groups?

Why wouldn't CCM allow for a trunk group membership command? I even checked on version 7.1 and there's nothing there. :(

---
Lelio Fulgenzi, B.A.
Senior Analyst (CCS) * University of Guelph * Guelph, Ontario N1G 2W1
(519) 824-4120 x56354 (519) 767-1060 FAX (JNHN)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Cooking with unix is easy. You just sed it and forget it.
                              - LFJ (with apologies to Mr. Popeil)


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