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Configuration Guide - Device Management

S7700 and S9700 V200R013C00

This document describes the configurations of Device Management, including device status query, hardware management, CSS, SVF, PoE, OPS, OIDS, energy-saving management, information center, fault management, NTP, synchronous ethernet, PTP.
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Example for Configuring MAD in Relay Mode

Example for Configuring MAD in Relay Mode

Networking Requirements

In Figure 3-39, SwitchA and SwitchB set up a CSS and connect to upstream and downstream devices through Eth-Trunks.

If a CSS splits due to a CSS link failure, the network has two CSS systems with conflicting configurations. To avoid this situation, configure the MAD function in the CSS. This function minimizes the impact of a CSS split on the network.

Figure 3-39  MAD in relay mode

Configuration Roadmap

The configuration roadmap is as follows:
  1. Configure SwitchC as the relay agent and configure MAD in relay mode on Eth-Trunk member ports connected to SwitchC.

  2. On SwitchC, configure the MAD relay function so that MAD packets can be forwarded through the Eth-Trunk.

Procedure

  1. In the CSS, configure MAD in relay mode for the Eth-Trunk.

    <HUAWEI> system-view
    [HUAWEI] interface eth-trunk 1
    [HUAWEI-Eth-Trunk1] trunkport gigabitethernet 1/2/0/5
    [HUAWEI-Eth-Trunk1] trunkport gigabitethernet 2/9/0/5
    [HUAWEI-Eth-Trunk1] mad detect mode relay
    [HUAWEI-Eth-Trunk1] quit
    [HUAWEI] quit

  2. Configure the MAD relay function on SwitchC.

    <HUAWEI> system-view
    [HUAWEI] sysname SwitchC
    [SwitchC] interface eth-trunk 1
    [SwitchC-Eth-Trunk1] trunkport gigabitethernet 1/0/19
    [SwitchC-Eth-Trunk1] trunkport gigabitethernet 1/0/21
    [SwitchC-Eth-Trunk1] mad relay
    [SwitchC-Eth-Trunk1] quit
    [SwitchC] quit

  3. Verify the configuration.

    # Check detailed MAD configuration of the CSS.

    <HUAWEI> display mad verbose
    Current MAD domain: 0
    Current MAD status: Detect
    Mad direct detect interfaces configured:
    Mad relay detect interfaces configured:
     Eth-Trunk1
    Excluded ports(configurable):
    Excluded ports(can not be configured):
     40GE1/4/0/0
     40GE1/4/0/1
     40GE1/5/0/0
     40GE1/5/0/1
     40GE2/7/0/1
     40GE2/7/0/0
     40GE2/11/0/0
     40GE2/11/0/1
    

    # Check MAD relay configuration on SwitchC.

    <SwitchC> display mad proxy
    Mad relay interfaces configured:
     Eth-Trunk1
    

  4. Verify the MAD function.

    If no services are configured in the CSS after the MAD configuration is complete, manually trigger a CSS split to verify whether the MAD function has been configured successfully.

    1. Check information about all the Up ports in the CSS. Based on the displayed information, verify the MAD function after the CSS splits.

      <HUAWEI> display interface brief | include up 
      PHY: Physical
      *down: administratively down
      ^down: standby
      (l): loopback
      (s): spoofing
      (E): E-Trunk down
      (b): BFD down
      (e): ETHOAM down
      (dl): DLDP down
      (d): Dampening Suppressed
      InUti/OutUti: input utility/output utility
      Interface                   PHY   Protocol  InUti OutUti   inErrors  outErrors
      Eth-Trunk1                  up    up           0%     0%          0          0
        GigabitEthernet1/2/0/5    up    up           0%     0%          0          0
        GigabitEthernet2/9/0/5    up    up           0%     0%          0          0
      Ethernet0/0/0/0             up    up        0.03%  0.01%          0          0
      GigabitEthernet1/2/0/0      up    up           0%     0%          0          0
      GigabitEthernet2/10/0/0     up    up           0%     0%          0          0
      NULL0                       up    up(s)        0%     0%          0          0
      40GE1/4/0/0                 up    up           0%     0%          0          0
      40GE1/4/0/1                 up    up           0%     0%          0          0
      40GE1/5/0/0                 up    up           0%     0%          0          0
      40GE1/5/0/1                 up    up           0%     0%          0          0
      40GE2/7/0/0                 up    up           0%     0%          0          0
      40GE2/7/0/1                 up    up           0%     0%          0          0
      40GE2/11/0/0                up    up           0%     0%          0          0
      40GE2/11/0/1                up    up           0%     0%          0          0  

    2. Enable the alarm function in the user view.

      <HUAWEI> terminal monitor
      <HUAWEI> terminal trapping

    3. Make the CSS split by shutting down all CSS member ports or removing all cluster cables. (The following procedure shuts down all the CSS member ports in a CSS that is set up in service port connection mode.)

      # Check information about the service ports used for CSS connections.

      <HUAWEI> display css css-port all
      B : broadcast   *down : administratively down
      Logic Port          Num  Phy Port                      Status
         css-port1/1      2    40GE1/4/0/0                   up
                               40GE1/4/0/1                   up
      (B)css-port1/2      2    40GE1/5/0/0                   up
                               40GE1/5/0/1                   up
      
      Logic Port          Num  Phy Port                      Status
         css-port2/1      2    40GE2/7/0/1                   up
                               40GE2/7/0/0                   up
      (B)css-port2/2      2    40GE2/11/0/0                  up
                               40GE2/11/0/1                  up

      # Shut down CSS ports.

      <HUAWEI> system-view
      [HUAWEI] interface css-port 1/1
      [HUAWEI-css-port1/1] shutdown interface 40GE1/4/0/0
      [HUAWEI-css-port1/1] shutdown interface 40GE1/4/0/1
      [HUAWEI-css-port1/1] quit
      [HUAWEI] interface css-port 1/2
      [HUAWEI-css-port1/2] shutdown interface 40GE1/5/0/0
      [HUAWEI-css-port1/2] shutdown interface 40GE1/5/0/1
      Warning: Shutting down the last active CSS port in master chassis will cause CSS split, Continue? [Y/N]:y
      [HUAWEI-css-port1/2] return

    4. Check whether the following alarm is displayed on the terminal screen: MAD/4/MULTIACTIVEDETECTED(t):OID 1.3.6.1.4.1.2011.5.25.246.1.1 Multi-active scenario is detected.
    5. Check the CSS status, MAD information, and port status.

      # Check the CSS status. The command output shows that the two-chassis CSS has changed into a single-chassis CSS.

      <HUAWEI> display css status
      CSS Enable switch On
      
      Chassis Id   CSS Enable   CSS Status      CSS Mode    Priority    Master Force
      ------------------------------------------------------------------------------
      1            On           Single         LPU           100         Off           

      # Check MAD information in the current CSS (chassis 1). The command output shows that the MAD status is Detect.

      <HUAWEI> display mad verbose
      Current MAD domain: 0
      Current MAD status: Detect
      Mad direct detect interfaces configured:
      Mad relay detect interfaces configured:
       Eth-Trunk1
      Excluded ports(configurable):
      Excluded ports(can not be configured):
       40GE1/4/0/0
       40GE1/4/0/1
       40GE1/5/0/0
       40GE1/5/0/1  

      # Check information about Up ports in the current CSS (chassis 1). The command output shows that the status of common service ports remains unchanged.

      <HUAWEI> display interface brief | include up
      PHY: Physical
      *down: administratively down
      ^down: standby
      (l): loopback
      (s): spoofing
      (E): E-Trunk down
      (b): BFD down
      (e): ETHOAM down
      (dl): DLDP down
      (d): Dampening Suppressed
      InUti/OutUti: input utility/output utility
      Interface                   PHY   Protocol  InUti OutUti   inErrors  outErrors
      Eth-Trunk1                  up    up           0%     0%          0          0
        GigabitEthernet1/2/0/5    up    up           0%     0%          0          0
      Ethernet0/0/0/0             up    up        0.02%  0.01%          0          0
      GigabitEthernet1/2/0/0      up    up           0%     0%          0          0
      NULL0                       up    up(s)        0%     0%          0          0  

    6. Log in to chassis 2 through its serial port.

      # Check MAD information in chassis 2. The command output shows that the MAD status is Recovery.

      <HUAWEI> display mad verbose
      Current MAD domain: 0
      Current MAD status: Recovery
      Mad direct detect interfaces configured:
      Mad relay detect interfaces configured:
       Eth-Trunk1
      Excluded ports(configurable):
      Excluded ports(can not be configured):
       40GE2/7/0/1
       40GE2/7/0/0
       40GE2/11/0/0
       40GE2/11/0/1  

      # Check information about Up ports in chassis 2. The command output shows that all ports in this chassis are Down.

      <HUAWEI> display interface brief | include up
      PHY: Physical
      *down: administratively down
      ^down: standby
      (l): loopback
      (s): spoofing
      (E): E-Trunk down
      (b): BFD down
      (e): ETHOAM down
      (dl): DLDP down
      (d): Dampening Suppressed
      InUti/OutUti: input utility/output utility
      Interface                   PHY   Protocol  InUti OutUti   inErrors  outErrors
      NULL0                       up    up(s)        0%     0%          0          0  

    7. The preceding operations verify that the MAD function has been configured successfully.
    8. Restore all the CSS member ports to the Up state or install cluster cables to the ports, and then configure services.

Configuration Files

  • CSS configuration file

    #
    interface GigabitEthernet1/2/0/5
     eth-trunk 1
    #
    interface GigabitEthernet2/9/0/5
     eth-trunk 1
    #
    interface Eth-Trunk1
     mad detect mode relay
    #
    return
  • SwitchC configuration file

    #
    sysname SwitchC
    #
    interface GigabitEthernet1/0/19
     eth-trunk 1
    #
    interface GigabitEthernet1/0/21
     eth-trunk 1
    #
    interface Eth-Trunk1
     mad relay
    #
    return
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Updated: 2019-04-20

Document ID: EDOC1100065738

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