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Configuration Guide - Network Management and Monitoring

CloudEngine 12800 and 12800E V200R005C10

This document describes the configurations of Network Management and Monitoring, including SNMP, RMON, LLDP, NQA, Service Diagnosis, Mirroring, Packet Capture, sFlow, and NETCONF.
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Enabling a Card to Perform sFlow Sampling in Enhanced Mode

Enabling a Card to Perform sFlow Sampling in Enhanced Mode

Context

A card can perform sFlow sampling in either of the following two modes:
  • Non-enhanced mode: A card uses the CPU for sFlow sampling, which greatly affects CPU performance.
  • Enhanced mode: A card uses CPU built-in chip for sFlow sampling, which therefore does not affect CPU performance and improves sFlow performance.

The CE-L36LQ-FD, CE-L36CQ-FD, CE-L36CQ-FG, CE-L36CQ-FD1, CE-L36CQ-SD, CE-L16CQ-FD, CE-L08CF-FG1, CE-L48XS-FG, CE-L48XS-FD1, CE-L24LQ-FD, or CE-L12CQ-FD card supports sFlow sampling in enhanced mode, which improves sFlow performance. When sFlow sampling is performed in enhanced mode, the recommended sFlow sampling rate is 1/2k; otherwise, the recommended sFlow sampling rate is 1/10k.

Procedure

  1. Run system-view

    The system view is displayed.

  2. Run assign forward enp sflow enable slot { slot-id | all }

    The card is enabled to perform sFlow sampling in enhanced mode.

    By default, a card performs sFlow sampling in non-enhanced mode; that is, a card uses the CPU for sFlow sampling.

    NOTE:
    • When a card performs sFlow sampling in enhanced mode, the switch cannot send sFlow packets through the management interface.

    • If both the assign forward enp sflow enable and assign forward enp netstream enable commands are run, the later one overwrites the previous one.

    • This command takes effect after the card is restarted.

  3. Run commit

    The configuration is committed.

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Updated: 2019-04-20

Document ID: EDOC1100075344

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