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CX11x, CX31x, CX710 (Earlier Than V6.03), and CX91x Series Switch Modules V100R001C10 Configuration Guide 12

The documents describe the configuration of various services supported by the CX11x&CX31x&CX91x series switch modules The description covers configuration examples and function configurations.
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Common Configuration Errors

Common Configuration Errors

This section describes common faults caused by incorrect configurations and provides the troubleshooting procedure.

Active/Standby Link Switching Failure in a Smart Link Group

Fault Description

This fault may be caused by configuring the function of locking data flows on the master or slave interface.


  1. Check the configuration of the Smart Link to see whether data flows are locked on an interface.

    Run the display smart-link group group-id command and check the Link status field in the command output to see whether data flows are locked on an interface.

    If the value of the Link status field is lock or force, data flows are locked on the master or slave interface in the Smart Link group. Run the undo smart-link { force | lock } command to unlock data flows on an interface in the Smart Link group.

Incorrect Status of the Monitor Link Group

Fault Description

The Monitor Link group is always Down.


  1. Check the status of member interfaces in the Monitor Link group.

    Run the display monitor-link group group-id command to view the State field.

    • If the State field of the interface is DOWN, address the interface Down failure.

      A link fault, a unidirectional OAM connectivity fault, or a failure to establish OAM connections may occur on the uplink interface. The uplink interface is considered as faulty only if the uplink interface is in the Smart Link group and neither of the two interfaces is Active when the Smart Link is enabled or both of the two interfaces are Down when the Smart Link is disabled.

    • If the value of the State field is UP, go to step 2.
  2. Check whether member interfaces of the Monitor Link group are added to the service VLAN.

    Run the display current-configuration interface interface-type interface-number command in the member interface view to check whether member interfaces of the Monitor Link group are added to the service VLAN.

    • If the interface is not added to the service VLAN, add the interface to the service VLAN.
Updated: 2019-08-09

Document ID: EDOC1000041694

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