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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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Configuring an SNMP Query Test Instance

Configuring an SNMP Query Test Instance

Context

Before configuring an SNMP query test instance, configure an SNMP agent and ensue reachable routes between the NQA client and the SNMP agent.

You can obtain the statistics about communication between the NQA client and the SNMP agent.

NOTE:

Perform the following steps on the NQA client.

The timeout, probe-count, frequency, and interval commands constrain each other; therefore, properly set the values when running the four 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 interval value must be larger than the timeout value.
  • The frequency value must be larger than the product of interval and probe-count.

Procedure

  1. Run system-view

    The system view is displayed.

  2. Run snmp-agent

    The SNMP agent service is enabled.

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

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

  4. Run test-type snmp

    The test type is set to SNMP.

  5. Run destination-address ipv4 ipv4-address

    The destination IP address (IP address of the SNMP agent) is configured.

    NOTE:

    The SNMP function must be enabled on the destination host, otherwise, the NQA client cannot receive response packets.

  6. Run community read cipher community-name

    The community name is set for SNMP test.

    NOTE:

    When the SNMP versions on agents are SNMPv1 or SNMPv2c, the community name must be configured using the community read cipher command, and the community name must be a read-only community name on SNMP agents. When the SNMP versions on agents are SNMPv3, the community name does not need to be configured because SNMPv3 does not support community names.

  7. (Optional) Run the following commands as required to configure parameters for the SNMP test.

    • Run description string

      A description is configured for the test instance.

    • Run frequency interval

      The test period is set for the NQA test instance.

    • Run timeout time

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

    • Run source-address ipv4 ipv4-address

      The source IP address is configured.

    • Run source-port port-number

      The source port number is configured.

    • Run ttl number

      The TTL value in the NQA test packet is set.

    • Run sendpacket passroute

      The NQA test instance is configured to send packets without searching the routing table.

    • Run probe-count number

      The number of probes in a test is set.

    • Run tos value

      Type of Service (ToS) is set for the test packet.

    • Run fail-percent percent

      The failure percentage is set for the NQA test instance.

    • Run interval seconds interval

      The interval at which test packets are sent is configured.

    • Run vpn-instance vpn-instance-name

      The VPN instance name is configured.

    • 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: 2019-03-06

Document ID: EDOC1100069336

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