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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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The NQA Internet Control Message Protocol (ICMP) test detects whether there are reachable routes from the source to the destination. It has a similar function to the ping command, but provides more output information, including:

  • The system saves the results of the latest five tests by default.
  • The output includes the average delay, the packet loss rate, and the time the last packet is correctly received.
The ICMP test process is as follows:
  1. The source (RouterA) constructs an ICMP Echo Request packet and sends it to the destination (RouterB).

  2. The destination receives the ICMP Echo Request packet and responds with an ICMP Echo Reply packet.

Figure 7-6  Network for ICMP test

After receiving a packet, the source calculates the time taken for communication between the source and the destination by subtracting the time the source sends the request packet from the time the source receives the reply packet.

The ICMP test results and historical records are collected in test instances. You can run commands to view the test results and historical records.

Updated: 2019-05-17

Document ID: EDOC1000174072

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