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Cisco 3900 Series, Cisco 2900 Series, and Cisco 1900 Series Integrated Services Routers Generation 2 Software Configuration Guide
Chapter  Configuring Next-Generation High-Density PVDM3 Modules
Configuration Examples for Configuring the PVDM3 Module on Cisco Voice Gateway Routers
Device 1: 
2048 packets from device, 3579 packets to device 
0 Ctrl & 0 Media out of sequence packets, 0 packets drop
0 input error packets, 0 output error packets 
0 resource errors packets, 0 gaints 
vlan id: 2 
Device and Port Statistics: PVDM-1
------------------------------------
29083 input packets at port, 32627 output packets at port
Device 2: 
29081 packets from device, 32627 packets to device 
0 Ctrl & 0 Media out of sequence packets, 0 packets drop
0 input error packets, 0 output error packets 
0 resource errors packets, 0 gaints 
vlan id: 2 
BP throttle change count 0, Current throttle flag 0
TX messages at congestion count 0
Step 9 show voice dsp statistics ack
Use this command to display ACK statistics for the device:
Router# show voice dsp statistics ack
DSP ACK   RETRY  TOTAL           WAITING 
ID  DEPTH COUNT  RETRANSMITTION  FOR ACK
=== ===== ====== ==============  ========
ACK is enabled 
Step 10 debug voice dsp crash-dump
Use this command to display debugging information for the crash dump feature (for detailed information 
about this, see the section Voice DSP Crash Dump File Analysis in Cisco IOS Voice Troubleshooting and 
Monitoring Guide):
Router# debug voice dsp crash-dump keepalives 
Configuration Examples for Configuring the PVDM3 Module on 
Cisco Voice Gateway Routers
This section provides an example of a running configuration. This example is for reference purposes only 
and contains IP addresses and telephone numbers that are not actual, valid addresses and telephone 
numbers; they are provided for illustrative purposes only.