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S12700 V200R011C10 Configuration Guide - Network Management and Monitoring

This document provides the configurations of network management and monitoring features supported by the product, including SNMP, RMON and RMON2, LLDP, Performance Management, iPCA, NQA, Service Diagnosis, Mirroring, Packet Capture, Traffic Distribution, NetStream, sFlow, and TWAMP Light.
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Configuring NetStream Sampling

Configuring NetStream Sampling

Context

You can set the intervals for sampling packets so that only statistics of sampled packets are collected. The statistics show the flow status on the entire network. The sampling function reduces the impact of NetStream on device performance.

When there is little network traffic, you can set a traffic suppression ratio instead of sampling. The device does not create flow tables for the traffic within the traffic suppression ratio.

Procedure

  1. Run the system-view command to enter the system view.
  2. Run the interface interface-type interface-number command to enter the interface view.
  3. (Optional) Run the ip netstream suppress suppress-rate { inbound | outbound } command to set the suppression ratio.

    By default, the suppression ratio on an interface is 1000.

    NOTE:

    Only E series cards (except ET1D2X48SEC0 card) support this command.

  4. Run the ip netstream sampler fix-packets packet-interval { inbound | outbound } command to configure IPv4 packet sampling on the interface.

    By default, an interface uses the packet-based regular sampling and the sampling ratio is 1000.

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Updated: 2019-10-21

Document ID: EDOC1000178113

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