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S600-E V200R013C00 Configuration Guide - Device Management

This document describes the configurations of Device Management, including device status query, hardware management, Stack, SVF, cloud-based management, PoE, OPS, energy-saving management, information center, fault management, NTP.
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Example for Configuring MAD in Direct Mode

Example for Configuring MAD in Direct Mode

Networking Requirements

As shown in Figure 3-38, SwitchA and SwitchB set up a stack. The stack IDs of SwitchA and SwitchB are 0 and 1 respectively.

MAD can be used to detect dual master switches with the same configuration on the network to reduce the impact of a stack split on the network.

Figure 3-38  Networking of DAD in direct mode

Procedure

  1. Configure MAD in direct mode on a specified port.

    # Configure MAD in direct mode on GigabitEthernet0/0/5.

    <HUAWEI> system-view
    [HUAWEI] interface gigabitethernet 0/0/5
    [HUAWEI-GigabitEthernet0/0/5] mad detect mode direct
    Warning: This command will block the port, and no other configuration running on this port is recommended. Continue?[Y/N]:y 
    [HUAWEI-GigabitEthernet0/0/5] quit
    [HUAWEI] quit

    # Configure MAD in direct mode on GigabitEthernet1/0/5.

    <HUAWEI> system-view
    [HUAWEI] interface gigabitethernet 1/0/5
    [HUAWEI-GigabitEthernet1/0/5] mad detect mode direct
    Warning: This command will block the port, and no other configuration running on this port is recommended. Continue?[Y/N]:y 
    [HUAWEI-GigabitEthernet1/0/5] quit
    [HUAWEI] quit
    

  2. Verify the configuration.

    # Check detailed MAD configuration of the stack.

    <HUAWEI> display mad verbose
    Current MAD domain: 0 
    Current MAD status: Detect                                                      
    Mad direct detect interfaces configured:                                
     GigabitEthernet0/0/5
     GigabitEthernet1/0/5                                                          
    Mad relay detect interfaces configured:                                 
    Excluded ports(configurable):                                                   
    Excluded ports(can not be configured):
     GigabitEthernet0/0/27
     GigabitEthernet1/0/27
    

  3. Verify the MAD function.

    After the MAD function has been configured successfully:
    • The system can generate an alarm of MAD_1.3.6.1.4.1.2011.5.25.246.1.1 hwMadConflictDetect if the stack splits.
    • When the stack recovers, the system generates an alarm of MAD_1.3.6.1.4.1.2011.5.25.246.1.2 hwMadConflictResume.

    If no service is configured in the stack, perform the following steps to check whether the MAD function has been configured successfully:

    1. Enable the alarm display function in the user view.

      <HUAWEI> terminal monitor
      <HUAWEI> terminal trapping

    2. Simulate a stack split situation by removing some stack cables. If the stack is set up through service port connections, you can also run the shutdown interface command to shut down some physical member ports in the logical stack port view.
    3. After the stack splits, you can see the following alarm on the terminal: MAD/4/MULTIACTIVEDETECTED(t):OID 1.3.6.1.4.1.2011.5.25.246.1.1 Multi-active scenario is detected.
    4. Check whether the number of member switches decreases.

      Run the display device command, and you can see that the number of member switches decreases from 2 to 1. (In this example, the member switches are S628-E.)

      <HUAWEI> display device
      S628-E's Device status:
      Slot Sub  Type                Online    Power      Register     Status   Role
      - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
      0    -   S628-E         Present   PowerOn    Registered   Normal   Master

    5. The preceding operations verify that the MAD function has been configured successfully.
    6. Connect the stack cables again or run the undo shutdown command to enable the physical member ports, so that the stack can be set up again.
    7. After the stack is set up again, you can see the following alarm on the terminal: MAD/4/MULTIACTIVEMERGE(t):OID 1.3.6.1.4.1.2011.5.25.246.1.2 Multi-active scenario is merged.
    8. Check whether the number of member switches restores to the original value.

      Run the display device command, and you can see that the number of member switches changes to 2. (In this example, the member switches are S628-E.)

      <HUAWEI> display device
      S628-E's Device status:
      Slot Sub  Type                Online    Power      Register     Status   Role
      - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
      0    -   S628-E         Present   PowerOn    Registered   Normal   Master
      1    -   S628-E         Present   PowerOn    Registered   Normal   Standby 

Configuration Files

  • Stack configuration file

    #
    interface GigabitEthernet0/0/5
     mad detect mode direct
    #
    interface GigabitEthernet1/0/5
     mad detect mode direct
    #
    return
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Updated: 2019-04-20

Document ID: EDOC1100066159

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