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CLI-based Configuration Guide - Network Management and Monitoring

AR100, AR120, AR150, AR160, AR200, AR1200, AR2200, AR3200, and AR3600 V200R009

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Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document. Note: Even the most advanced machine translation cannot match the quality of professional translators. Huawei shall not bear any responsibility for translation accuracy and it is recommended that you refer to the English document (a link for which has been provided).
Configuring an ICMP Jitter Test Instance

Configuring an ICMP Jitter Test Instance

Context

Before configuring an ICMP jitter test, ensure that the NQA client and the tested device have reachable routes to each other.

NOTE:

Perform the following steps on the NQA client. The NQA client also functions as the ICMP jitter client.

The timeout, probe-count, frequency, jitter-packetnum, and interval commands constrain each other; therefore, properly set the values when running the five commands. Improper command settings may lead to test failure.

  • On a network with poor quality and low transmission rate, increase the timeout value to ensure that the response to NQA detection packets can be received.
  • On a network with low reliability, increase the probe-count value because multiple detection packets may need to be sent to ensure successful detection.
  • The frequency value must comply with the following rules:

    frequency > probe-count × jitter-packetnum × interval + timeout

Procedure

  1. Run system-view

    The system view is displayed.

  2. Run nqa test-instance admin-name test-name

    An NQA test instance is created, and the NQA view is displayed.

  3. Run test-type icmpjitter

    The test type is set to ICMP Jitter.

  4. Run destination-address ipv4 ipv4-address

    The destination address is configured.

  5. (Optional) Run the following commands to configure other parameters for the ICMP jitter test:

    • Run description string

      A description is configured.

    • Run frequency interval

      The interval at which the NQA test instance automatically runs is set.

    • Run icmp-jitter-mode { icmp-echo | icmp-timestamp }

      The ICMP Jitter test type is set.

      By default, the ICMP jitter test type is icmp-timestamp.

      NOTE:

      The datafill and datasize parameters are supported only when the icmp-jitter-mode is icmp-echo.

      In an ICMP jitter test, icmp-timestamp has a higher calculation precision of jitter parameters (such as delay and jitter) than icmp-echo. Therefore, icmp-timestamp is recommended. If the remote device does not support icmp-timestamp or requires ICMP echo packets, configure icmp-echo.

    • Run datafill fillstring

      The padding field is configured.

    • Run datasize size

      The echo request packet size, excluding the IP header, is set.

    • Run timeout time

      The timeout period of a probe is set for the NQA test instance.

      By default, the timeout period of a probe is 3 seconds.

    • Run source-interface interface-type interface-number

      The source interface used to send test packets is configured.

    • Run source-address { ipv4 ip-address | ipv6 ipv6-address }

      The source address is configured. This parameter is similar to -a in the ping command.

    • Run ttl number

      The TTL value is set. This parameter is similar to -h in the ping command.

    • Run probe-count number

      The number of probes for one time is set.

    • Run tos value

      ToS is set for the test packet. This parameter is similar to -tos in the ping command.

    • Run fail-percent percent

      The failure percentage is set for the NQA test instance.

    • Run interval seconds interval

      The interval for sending test packets is set. This value is similar to -m in the ping command.

    • Run vpn-instance vpn-instance-name

      A VPN instance is configured for the test instance.

    • Run jitter-packetnum number

      The number of test packets sent in each test instance is set.

      NOTE:

      The probe-count command sets the number of jitter tests and the jitter-packetnum command sets the number of test packets sent during each test. The number of jitter tests multiplied by the number of test packets must be smaller than 3000.

    • Run records history number

      The maximum number of historical records is set for the NQA test instance.

    • Run records result number

      The maximum number of result records is set for the NQA test instance.

    • Run agetime hh:mm:ss

      The aging time is set for the NQA test instance.

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Updated: 2019-05-17

Document ID: EDOC1000174072

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