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Verifying the VoIP Configuration

To verify the VoIP configuration, perform the following tasks:

Verifying the VoIP Interface

Purpose

Verify that the VoIP interface is correctly configured.

Action

From the CLI, enter the show interfaces extensive command.

   
user@host> show interfaces vp-3/0/0 extensive 
Physical interface: vp-3/0/0, Enabled, Physical link is Up
  Interface index: 141, SNMP ifIndex: 21, Generation: 142
  Type: VP-AV, Link-level type: VP-AV, MTU: 1518, Speed: 10mbps
  Device flags   : Present Running
  Link type      : Full-Duplex
  Link flags     : None
  Physical info  : Unspecified
  CoS queues     : 8 supported, 8 maximum usable queues
  Last flapped   : 2006-09-29 09:28:32 UTC (4d 18:35 ago)
  Statistics last cleared: Never
  Traffic statistics:
   Input  bytes  :              8886912                    0 bps
   Output bytes  :              6624354                    0 bps
   Input  packets:                90760                    0 pps
   Output packets:                65099                    0 pps
  Input errors:
    Errors: 0, Drops: 0, Framing errors: 0, Runts: 0, Giants: 0, Policed discards: 0, Resource errors: 0
  Output errors:
    Carrier transitions: 0, Errors: 0, Drops: 0, MTU errors: 0, Resource errors: 0
  Egress queues: 8 supported, 8 in use
  Queue counters:       Queued packets  Transmitted packets      Dropped packets
    0 best-effort                65099                65099                    0
    1 expedited-fo                   0                    0                    0
    2 assured-forw                   0                    0                    0
    3 network-cont                   0                    0                    0
  Packet Forwarding Engine configuration:
    Destination slot: 2
    CoS transmit queue               Bandwidth               Buffer Priority   Limit
                              %            bps     %           usec
    0 best-effort            95        9500000    95              0      low    none
    3 network-control         5         500000     5              0      low    none
                    
  Logical interface vp-2/0/0.0 (Index 71) (SNMP ifIndex 47) (Generation 137)
    Flags: Point-To-Point SNMP-Traps Encapsulation: VP-AV
    Protocol inet, MTU: 1500, Generation: 142, Route table: 0
      Flags: None   
      Filters: Input: pcap, Output: pcap
      Addresses, Flags: Is-Preferred Is-Primary
        Destination: 31.31.31.2, Local: 31.31.31.1, Broadcast: Unspecified, Generation: 144

What it Means

The output shows a summary of interface information. Verify the following information:

Verifying the Media Gateway Controller List

Purpose

Verify that the Media Gateway Controller (MGC) list is correctly configured.

Action

From the operational mode in the CLI, enter show tgm fpc slot slot-number tgm-configuration.

   
user@host> show tgm fpc slot 2 tgm-configuration 
TGM configuration:
    Name: mgc-list, Value: [ 173.26.232.77, 10.10.10.30, 10.10.10.40 ]

What it Means

The output shows the configured MGC list. Verify the IP addresses and the order of the IP addresses in the MGC list.

Verifying Dynamic Call Admission Control

Purpose

Verify that dynamic Call Admission Control (CAC) is correctly configured.

Action

From the operational mode in the CLI, enter show tgm dynamic-call-admission-control.

   
user@host> show tgm dynamic-call-admission-control 
Reported bearer bandwidth limit: 3000  Kbps
Interface       State         Activation    Bearer bandwidth
                              priority      limit (Kbps)
ge-0/0/3.0      up                     200                 3000
t1-6/0/0.0      up                     150                 1000
br-1/0/3.0      up                      50                  128

What it Means

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