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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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UDP Jitter (Hardware-based) Test

UDP Jitter (Hardware-based) Test

A UDP jitter (hardware-based) test is performed using UDP packets and is a supplement to the UDP jitter. This test has the following advantages:
  • Reduces the interval for sending packets. The minimum interval for sending packets can be 10 ms.

  • Increases the number of concurrent test instances.

  • Improves the accuracy of delay and jitter calculation.

These advantages enable the UDP jitter (hardware-based) test to accurately reflect the network status and improve device efficiency.
Table 7-1  Differences between UDP jitter and UDP jitter (hardware-based)

Comparison

UDP Jitter

UDP Jitter (Hardware-based)

Interval for sending packets

The minimum value is 20 ms.

The minimum value is 10 ms.

Jitter calculation

Timestamps are added to packets on the MPU.

Timestamps are added to packets on the LPU, which is more precise.

Figure 7-14  UDP jitter (hardware-based) test scenario

The UDP jitter (hardware-based) test results and historical records are collected in test instances. You can run commands to view the test results and historical records.

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Updated: 2019-05-17

Document ID: EDOC1000174072

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