How to check the resource usage of the DSP module of an AR router

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You can check the resource usage of the DSP module of an AR router as follows:
- In V200R002C00 and earlier versions
Run the display voice dsp-dimm state { slot/dsp-index | channel slot/dsp-index/channel } command. Check the idle field in the displayed output information to determine whether there are remaining DSP resources. For example:
display voice dsp-dimm state 15/0
Symbol:
0-idle $-G.711 busy A-All busy W-Wastage X-fault
@-IP loopback *-PCM loopback #-prohibited
Channel NO. DSP channel state
----------------------------------------------------------------------

0000-0049 00000 00000 00000 00000 00000 00000 00000 00000 00000 00000

0050-0099 00000 00000 00000 00000 00000 00000 00000 00000 00000 00000

0100-0149 00000 00000 00000 00000 00000 000

Total:

128 DSP channel

128 idle, 0 G.711 Busy, 0 All Busy, 0 Wastage, 0 Fault,

0 IP loopback, 0 PCM loopback, 0 prohibited
In the information above, the 128 idle message is displayed. It indicates that 128 DSP channels are idle, that is, DSP resources are sufficient currently.
- In versions later than V200R002C00
Run the display voice dsp state { slot/dsp-index | channel slot/dsp-index/channel } command. Check the idle field in the displayed output information to determine whether DSP resources are left. For example:
display voice dsp state 15/0
Symbol:
0-idle $-G.711 busy A-All busy W-Wastage X-fault
@-IP loopback *-PCM loopback #-prohibited
Channel NO. DSP channel state
----------------------------------------------------------------------

0000-0049 00000 00000 00000 00000 00000 00000 00000 00000 00000 00000

0050-0099 00000 00000 00000 00000 00000 00000 00000 00000 00000 00000

0100-0149 00000 00000 00000 00000 00000 000

Total:

128 DSP channel

128 idle, 0 G.711 Busy, 0 All Busy, 0 Wastage, 0 Fault,

0 IP loopback, 0 PCM loopback, 0 prohibited
In the information above, the 128 idle message is displayed. It indicates that 128 DSP channels are idle, that is, DSP resources are sufficient currently.

Other related questions:
What is the function of the DSP module of an AR router
The DSP module in an AR router is used to play announcements (such as the dialing tone and ring back tone), mix audios, collect digits, and encode and decode audios. It is recommended that AR2200 and AR3200 series routers should equip with DSP modules if the audio function is featured on the routers.

Check the ACL resource usage on S series switches
Run the display acl resource [ slot <slot-id> ] command in any view on an S series switch to check the ACL resource usage.

What are the functions of the DSP module
DSP is short for digital signal processing. The DSP module supports the following functions: playing voice such as the dial tone and RBT tone, mixing voice, collecting digits, and encoding and decoding voice. To use the voice feature on the AR2200 and AR3200 series routers, you are advised to install the DSP module.

Method of querying CPU usage on an AR router
Query CPU usage by running the following commands on an AR router: - display cpu-usage [ slot slot-id ] Or display cpu-usage [ process process-id ] [ slave ] - display cpu-usage configuration [ slave | slot slot-id ]. This command is used to query configuration information about CPU usage. Query CPU usage based on the NMS OID on an AR router: - hwEntityCpuUsage 1.3.6.1.4.1.2011.5.25.31.1.1.1.1.5, querying CPU usage - hwEntityCpuUsageThreshold 1.3.6.1.4.1.2011.5.25.31.1.1.1.1.6, querying alarm thresholds for CPU usage Query CPU usage through the web NMS on an AR router: Log in to the web NMS, and choose Device Information > Device Information to view the CPU usage item.

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