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CLI-based Configuration Guide - Security

AR500, AR510, AR531, AR550, AR1500, and AR2500 V200R010

This document provides the basic concepts, configuration procedures, and configuration examples in different application scenarios of the network management feature supported by the device.
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Example for Setting the Rate Limit in pps for Traffic Suppression

Example for Setting the Rate Limit in pps for Traffic Suppression

Networking Requirements

As shown in Figure 9-2, RouterA is connected to a Layer 2 network and a Layer 3 RouterB. To limit the number of broadcast, multicast, or unknown unicast packets forwarded on the Layer 2 network, you can set the rate limit in pps on Ethernet 2/0/0.

Figure 9-2  Network diagram of Setting the Rate Limit in pps for Traffic Suppression

Configuration Roadmap

The configuration roadmap is as follows:

  • Set the rate limit in pps for traffic suppression on Ethernet 2/0/0.


  1. Enter the interface view.

    <Huawei> system-view
    [Huawei] sysname RouterA
    [RouterA] interface ethernet 2/0/0

  2. Set the rate limit in pps for broadcast packets.

    [RouterA-Ethernet2/0/0] broadcast-suppression packets 12600

  3. Set the rate limit in pps for multicast packets.

    [RouterA-Ethernet2/0/0] multicast-suppression packets 25200

  4. Set the rate limit in pps for unknown unicast packets.

    [RouterA-Ethernet2/0/0] unicast-suppression packets 12600
    [RouterA-Ethernet2/0/0] return

  5. Verify the configuration.

    Run the display flow-suppression interface command, and you can view the traffic suppression configuration on Ethernet 2/0/0.

    [RouterA] display flow-suppression interface Ethernet 2/0/0
     storm type         rate mode   set rate value                                  
     unknown-unicast    pps         pps: 12600(packet/s)                            
     multicast          pps         pps: 25200(packet/s)                            
     broadcast          pps         pps: 12600(packet/s)                            

Configuration Files

Configuration files on RouterA

 sysname RouterA 
interface Ethernet2/0/0
 unicast-suppression packets 12600
 multicast-suppression packets 25200
 broadcast-suppression packets 12600  
Updated: 2019-05-20

Document ID: EDOC1100034236

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