Hi Shrini,
CUCM will always request the "worst" case scenario in bandwidth first. The easy way to do this is to increase the max bandwidth command and use the show ip rsvp bandwidth command. For example: 1. Increase the ip rsvp bandwidth command to 120 2. Dial a SB phone from HQ, but don't answer 3. Run the show ip rsvp bandwidth command. This will show you the "worst" case that is being requested by CUCM (in this case 40) 4. Answer the call 5. Run the show ip rsvp bandwidth command, you will see it has dropped back to 24. 6. You then can calculate the value as for 2 calls as 40 +24, or 3 calls 40 + 24 + 24, etc. For your scenario, the value should be ip rsvp bandwidth 64. If this still isn't working then there is something else wrong. Consider these: - If you use MLPP for WAN QoS, you need to move the rsvp command under the Virtual interface. - The ip rsvp bandwidth command should be on both WAN interfaces - Restart the Devices after changing the Location values (although this shouldn't matter, it's still worth a shot) - Run debug ip rsvp and see that RSVP is even being used (although if you can't see output in the show ip rsvp bandwidth as suggested above that will show it as well) - Ensure that the MTPs are registered and in the correct MRGs and MRGLs, reset the MTPs, reset devices in the DPs, etc For help with the debug statements, Matt did a good job of detailing them here and provided a working router configuration - http://matthewberry.info/ciscovoiceguru/377/debug-ip-rsvp-messages/ Hope this helps and Merry Christmas, Jeff From: ccie_voice-boun...@onlinestudylist.com [mailto:ccie_voice-boun...@onlinestudylist.com] On Behalf Of Prashant Patel Sent: Friday, December 24, 2010 11:54 AM To: Shrini Cc: ccie_voice@onlinestudylist.com Subject: Re: [OSL | CCIE_Voice] RSVP CAC Hi Shrini, Do you have the "rsvp" command in the mtp configuration? HTH Prashant On Fri, Dec 24, 2010 at 2:06 PM, Shrini <linuxbos...@gmail.com> wrote: Hi Experts, Wish you all and your families "MERRY CHRISTMAS and HAPPY HOLIDAYS" Below is the scenario. >From HQ to BR1 I want to allow only 2 G729 calls. HQ to BR1 call are G729 What I did is : Created MTP on HQ and BR1 routers. dsp profile 2 mtp codec g729r8 codec pass-through maximum sessions soft 2 associate application SCCP and registered them with CUCM. Under serial interfaces: ip rsvp bandwidth 80 On Call manager: HQ - BR1 - Audio ULTD - RSVP setting Mandatory ..vice versa Assigned these locations to DP_HQ and DP_BR1. When I make a call from HQ to BR1 the first call itself says "not enough bandwidth" My understanding is: Each g729 call need 40K , ip rsvp b/w 80 means 2 calls max session soft 2 - again 2 calls maximum. Why am I getting "not enough bandwidth" ? T I A Shrini _______________________________________________ For more information regarding industry leading CCIE Lab training, please visit www.ipexpert.com <http://www.ipexpert.com/>
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