Enable MSTP and VLAN Configuration on NNI ports

Enables MSTP and VLAN configuration on network-to-network interface (NNI) ports. The default is disabled.

About this task

Note

Note

Spanning Tree is disabled on all NNIs.

You cannot add an SPBM NNI port or MLT port to any non SPBM B-VLAN. You cannot add additional C-VLANs to a brouter port.

Procedure

  1. Enter Global Configuration mode:

    enable

    configure terminal

  2. Enable the configuration on NNI ports:

    boot config flags nni-mstp

  3. Save the changed configuration.
  4. Restart the switch.