Displaying and maintaining the spanning tree
Execute display commands in any view and reset command in user view.
Task | Command |
|---|---|
Display information about ports blocked by spanning tree protection features. | display stp abnormal-port |
Display BPDU statistics on ports. | display stp bpdu-statistics [ interface interface-type interface-number [ instance instance-list ] ] |
Display information about ports shut down by spanning tree protection features. | display stp down-port |
Display the port role calculation history for the specified MSTI or all MSTIs (in standalone mode). | display stp [ instance instance-list | vlan vlan-id-list ] history [ slot slot-number ] |
Display the port role calculation history for the specified MSTI or all MSTIs (in IRF mode). | display stp [ instance instance-list | vlan vlan-id-list ] history [ chassis chassis-number slot slot-number ] |
Display the incoming and outgoing TC/TCN BPDU statistics by all ports in the specified MSTI or all MSTIs (in standalone mode). | display stp [ instance instance-list | vlan vlan-id-list ] tc [ slot slot-number ] |
Display the incoming and outgoing TC/TCN BPDU statistics by all ports in the specified MSTI or all MSTIs (in IRF mode). | display stp [ instance instance-list | vlan vlan-id-list ] tc [ chassis chassis-number slot slot-number ] |
Display the spanning tree status and statistics (in standalone mode). | display stp [ instance instance-list | vlan vlan-id-list ] [ interface interface-list | slot slot-number ] [ brief ] |
Display the spanning tree status and statistics (in IRF mode). | display stp [ instance instance-list | vlan vlan-id-list ] [ interface interface-list | chassis chassis-number slot slot-number ] [ brief ] |
Display the MST region configuration information that has taken effect. | display stp region-configuration |
Display the root bridge information of all MSTIs. | display stp root |
Clear the spanning tree statistics. | reset stp [ interface interface-list ] |