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Configuration Guide - Security

CloudEngine 8800, 7800, 6800, and 5800 V200R005C10

This document describes the configurations of Security, including ACL, local attack defense, MFF, attack defense, traffic suppression and storm control, ARP security, Port security, DHCP snooping, ND snooping, PPPoE+, IPSG, SAVI, separating the management plane from the service plane, security risks.
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Example for Configuring Storm Control

Example for Configuring Storm Control

Networking Requirements

As shown in Figure 9-4, Switch A is connected to a Layer 2 network and a Layer 3 router. Switch A needs to be configured to prevent broadcast storms caused by a large number of broadcast packets, multicast packets, or unicast packets forwarded at Layer 2.

Figure 9-4 Networking diagram of storm control

Configuration Roadmap

The configuration roadmap is as follows:

  1. Configure storm control in the interface view of 10GE1/0/1 to prevent broadcast storms caused by a large number of broadcast packets, multicast packets, or unicast packets forwarded at Layer 2.

Procedure

  1. Enter the interface view.

    <HUAWEI> system-view
    [~HUAWEI] sysname SwitchA
    [*HUAWEI] commit
    [~SwitchA] interface 10ge 1/0/1

  2. Configure storm control for broadcast packets.

    [~SwitchA-10GE1/0/1] storm control broadcast min-rate 1000 max-rate 2000

  3. Configure storm control for multicast packets.

    [*SwitchA-10GE1/0/1] storm control multicast min-rate 1000 max-rate 2000

  4. Configure storm control for unicast packets.

    [*SwitchA-10GE1/0/1] storm control unicast min-rate 1000 max-rate 2000

  5. Set the storm control action to error-down.

    [*SwitchA-10GE1/0/1] storm control action error-down

  6. Enable the function of recording logs during storm control.

    [*SwitchA-10GE1/0/1] storm control enable log

  7. Set the detection interval.

    [*SwitchA-10GE1/0/1] storm control interval 90
    [*SwitchA-10GE1/0/1] commit
    [~SwitchA-10GE1/0/1] quit
    [~SwitchA] quit

  8. Verify the configuration.

    Run the display storm control interface command to view storm control configuration on 10GE1/0/1.

    <SwitchA> display storm control interface 10ge 1/0/1
    --------------------------------------------------------------------------------                                                    
    NOTE:                                                                                                                               
    BC = Broadcast; MC = Multicast; UC = Unicast; UUC = Unknown Unicast                                                                 
    Int = Interval value (unit: seconds)                                                                                                
    --------------------------------------------------------------------------------                                                    
    PortName     Type   MaxRate Mode Action    Punish-   Trap Log  Int Last                                                             
                                               Status                  Punish-Time                                                      
    --------------------------------------------------------------------------------                                                    
    10GE1/0/1    BC        2000 Pps  ErrorDown Normal    Off  On    90 --                     
    10GE1/0/1    MC        2000 Pps  ErrorDown Normal    Off  On    90 --                       
    10GE1/0/1    UC        2000 Pps  ErrorDown Normal    Off  On    90 --  

Configuration Files

Configuration file of Switch A

#
sysname SwitchA
#
interface 10GE1/0/1
 storm control broadcast min-rate 1000 max-rate 2000
 storm control multicast min-rate 1000 max-rate 2000
 storm control unicast min-rate 1000 max-rate 2000
 storm control interval 90
 storm control action error-down
 storm control enable log
#
return
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Updated: 2019-04-20

Document ID: EDOC1100074765

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