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CLI-based Configuration Guide - Network Management and Monitoring

AR100, AR120, AR160, AR1200, AR2200, AR3200, and AR3600 V300R003

This document provides the basic concepts, configuration procedures, and configuration examples in different application scenarios of the network management feature supported by the device.
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Example for Configuring NQA to Check VoIP Service Jitter

Example for Configuring NQA to Check VoIP Service Jitter

Networking Requirements

In Figure 7-29, the headquarters and its subsidiary often hold conferences through VoIP and require that the round-trip delay is shorter than 250 ms and jitter is shorter than 20 ms. The jitter test provided by NQA can be used to simulate VoIP services.

Figure 7-29  Networking diagram for configuring NQA to check VoIP service jitter

Configuration Roadmap

The configuration roadmap is as follows:

  1. Respectively configure RouterA and RouterD as the gateways of the headquarters and its subsidiary and ensure reachable routes between them.

  2. Configure RouterA as an NQA server and RouterD as an NQA client, and configure a jitter test instance on RouterD.

  3. Start the test instance on RouterD.


  1. Configure IP addresses for RouterA and RouterD, as shown in Figure 7-29.

    <Huawei> system-view
    [Huawei] sysname RouterA
    [RouterA] interface gigabitethernet 1/0/0
    [RouterA-GigabitEthernet1/0/0] ip address 24
    [RouterA-GigabitEthernet1/0/0] quit

    For configurations of RouterD, see the configuration file.

  2. Configure the NQA server on RouterA.

    [RouterA] nqa-server udpecho 6000

  3. Configure the NQA client on RouterD.
    1. # Set the version number of the jitter test packets.

      <RouterD> system-view
      [RouterD] nqa-jitter tag-version 2

    2. Create a jitter test instance and set the destination address to the IP address of RouterA.

      [RouterD] nqa test-instance admin udpjitter
      [RouterD-nqa-admin-udpjitter] test-type jitter
      [RouterD-nqa-admin-udpjitter] destination-address ipv4
      [RouterD-nqa-admin-udpjitter] destination-port 6000

    3. Set the code type of the simulated VoIP service.

      [RouterD-nqa-admin-udpjitter] jitter-codec g711a

  4. Start the test instance.

    [RouterD-nqa-admin-udpjitter] start now

  5. Verify the configuration, and you can find that the round-trip delay is shorter than 250 ms and jitter is shorter than 20 ms.

    [RouterD-nqa-admin-udpjitter] display nqa results test-instance admin udpjitter
    NQA entry(admin, udpjitter) :testflag is active ,testtype is jitter
    1 . Test 1 result   The test is finished
       SendProbe:1000                       ResponseProbe:1000
       Completion:success                   RTD OverThresholds number:0
       OWD OverThresholds SD number:0       OWD OverThresholds DS number:0
       Min/Max/Avg/Sum RTT:10/38/13/12963   RTT  Square Sum:171925
       NumOfRTT:1000                        Drop operation number:0
       Operation sequence errors number:0   RTT Stats errors number:0
       System busy operation number:0       Operation timeout number:0
       Min Positive SD:1                    Min Positive DS:1
       Max Positive SD:16                   Max Positive DS:27
       Positive SD Number:288               Positive DS Number:287
       Positive SD Sum:427                  Positive DS Sum:485
       Positive SD Square Sum:1317          Positive DS Square Sum:2455
       Min Negative SD:1                    Min Negative DS:1
       Max Negative SD:16                   Max Negative DS:26
       Negative SD Number:292               Negative DS Number:285
       Negative SD Sum:429                  Negative DS Sum:486
       Negative SD Square Sum:1235          Negative DS Square Sum:2714
       Min Delay SD:5                       Min Delay DS:4
       Avg Delay SD:6                       Avg Delay DS:5
       Max Delay SD:19                    Max Delay DS:18
       Delay SD Square Sum:39901            Delay DS Square Sum:33856
       Packet Loss SD:0                     Packet Loss DS:0
       Packet Loss Unknown:0                Average of Jitter:1
       Average of Jitter SD:1               Average of Jitter DS:1
       Jitter out value:0.0535000           Jitter in value:0.0606875
       NumberOfOWD:1000                     Packet Loss Ratio: 0%
       OWD SD Sum:6239                      OWD DS Sum:5724
       ICPIF value: 0                       MOS-CQ value: 438
       TimeStamp unit: ms                   Packet Rewrite Number: 0
       Packet Rewrite Ratio: 0%             Packet Disorder Number: 0
       Packet Disorder Ratio: 0%            Fragment-disorder Number: 0
       Fragment-disorder Ratio: 0%          Jitter OverThresholds SD number:0
       Jitter OverThresholds DS number:0    OverallOverThresholds number:0            

Configuration Files

  • RouterA configuration file

     sysname RouterA
    interface GigabitEthernet1/0/0
     ip address
    nqa-server udpecho 6000
  • RouterD configuration file

     sysname RouterD
    interface GigabitEthernet1/0/0
     ip address
    nqa-jitter tag-version 2
    nqa test-instance admin udpjitter
     test-type jitter
     destination-address ipv4
     destination-port 6000
     jitter-codec g711a
Updated: 2019-03-06

Document ID: EDOC1100069336

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