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NE40E V800R010C00 Configuration Guide - System Monitor 01

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Maintaining IP FPM

Maintaining IP FPM

This section describes how to maintain IP Flow Performance Monitor (FPM) by configuring the alarm thresholds for IP FPM performance and monitoring IP FPM performance statistics.

Configuring Alarm and Clear Alarm Thresholds for IP FPM Performance Counters

After you configure the alarm threshold and its clear alarm threshold for packet loss or delay, the device generates an alarm when the packet loss rate or delay reaches the alarm threshold and clears the alarm when the packet loss rate or delay falls below the clear alarm threshold. The alarm functions help network operation and maintenance.

Context

If the packet loss rate or delay on a network is detected high but left unattended, the packet loss rate or delay may increase and potentially affect user experience. To help network operation and maintenance, configure the alarm threshold and its clear alarm threshold for packet loss or delay.

Procedure

  1. Run:

    system-view

    The system view is displayed.

  2. Run:

    nqa ipfpm mcp

    The IPFPM-MCP view is displayed.

  3. Run:

    instance instance-id

    The IP FPM instance view is displayed.

  4. Run:

    loss-measure ratio-threshold upper-limit upper-limit lower-limit lower-limit

    The packet loss alarm threshold and its clear alarm threshold are configured.

  5. Run either of the following commands to configure the delay alarm threshold and its clear alarm threshold.

    • When the target flow is unidirectional, run the delay-measure one-way delay-threshold upper-limit upper-limit lower-limit lower-limit command to configure the one-way delay alarm threshold and its clear alarm threshold.

    • When the target flow is bidirectional, run the delay-measure two-way delay-threshold upper-limit upper-limit lower-limit lower-limit command to configure the two-way delay alarm threshold and its clear alarm threshold.

Monitoring the IP FPM Running Status

This section describes how to monitor the IP FPM running status.

Context

Run the display commands in any view to check the IP FPM performance statistics and monitor the IP FPM running status in routine maintenance.

Procedure

  • Run the display ipfpm statistic-type { loss | oneway-delay | twoway-delay } instance instance-id command to check the performance statistics for a specified IP FPM instance.
  • Run the display ipfpm statistic-type { loss | oneway-delay | twoway-delay } instance instance-id ach ach-id [ verbose ] command to check the hop-by-hop performance statistics for a specified ACH.
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Updated: 2018-07-12

Document ID: EDOC1100028538

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