[cisco-voip] PRI channels not available

[Joseph Mays]

I took out the channel-group 0 and configured the pri-group, thinking maybe I needed to add the pri-group before the channe-group. The pri-group went in fine. Then when I tried to add the channel-group I got...

glassdoctor(config-controller)#pri-group timeslots 23-24
glassdoctor(config-controller)#channel-group 0 timeslots 1-22
%Channel-groups per port limit exceeded
%Insufficient resources to create channel group

Is there some sort of per-port or per-card limit on the number of channel-groups you can have on a 2400IAD, or on the WIC? I thought it allowed at least 2 per port. There is another t1 port on this card that also has a channel-group configured, but I haven't been touching that and thought it didn't matter. The config for both ports on the card is actually --

controller T1 0/0
 framing esf
 linecode b8zs
 channel-group 0 timeslots 1-22 speed 64
!
controller T1 1/0
 framing esf
 linecode b8zs
 channel-group 0 timeslots 1-20 speed 64
!

  ----- Original Message ----- 
  From: Joseph Mays 
  To: cisco-voip at puck.nether.net 
  Sent: Friday, July 27, 2012 2:31 PM
  Subject: [cisco-voip] PRI channels not available


  I have an IAD2400 with a channel group using 22 channels on one interface.

  Cisco IOS Software, 2400 Software (C2400-IS-M), Version 12.3(11)T10, RELEASE SOFTWARE (fc4)
  Technical Support: http://www.cisco.com/techsupport
  Copyright (c) 1986-2006 by Cisco Systems, Inc.
  Compiled Fri 03-Mar-06 17:49 by dchih

  ROM: System Bootstrap, Version 12.3(7r)T2, RELEASE SOFTWARE (fc1)

  glassdoctor uptime is 6 days, 7 hours, 5 minutes
  System returned to ROM by power-on
  System image file is "flash:current.bin"

  Cisco IAD2431 (R527x) processor (revision 4.1) with 119808K/11264K bytes of memory.
  Processor board ID FHK1046F3JE
  R527x CPU at 225MHz, Implementation 40, Rev 3.1
  1 On-Board Eight FXS Analog Voice Module V2.1
  1 FastEthernet interface
  2 Serial interfaces
  2 Channelized T1/PRI ports
  DRAM configuration is 64 bits wide with parity disabled.
  63K bytes of non-volatile configuration memory.
  System fpga version is 250027
  System readonly fpga version is 250025
  Option for system fpga is 'system'.
  62720K bytes of ATA System CompactFlash (Read/Write)
  0K bytes of ATA Slot0 CompactFlash (Read/Write)

  Configuration register is 0x2102

  I want to use the remaining 2 channels for a pri-group for, essentially, one analog voice line.

  controller T1 0/0
   framing esf
   linecode b8zs
   channel-group 0 timeslots 1-22 speed 64

  But it won't let me enter the pri-group definition under the controller. Whenever I try it says no resources are available. 

  glassdoctor(config-controller)#pri-group timeslots 23-24
  %Channel-group already created. No more resource
  glassdoctor(config-controller)#

  I have done this before. Why would it not be allowing me to create the pri-group now?




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