Displaying And Maintaining The Spanning Tree - HP FlexFabric 12900 Series Configuration Manual

Step
3. (Optional.) Configure the maximum
number of forwarding address entry
flushes that the device can perform every
10 seconds.

Displaying and maintaining the spanning tree

Execute display commands in any view and reset command in user view.
Task
Display information about ports blocked by spanning tree
protection functions.
Display BPDU statistics on ports.
Display information about ports shut down by spanning
tree protection functions.
Display the port role calculation history for MSTIs (in
standalone mode).
Display the port role calculation history for MSTIs (in IRF
mode).
Display the incoming and outgoing TC/TCN BPDU
statistics on ports (in standalone mode).
Display the incoming and outgoing TC/TCN BPDU
statistics on ports(in IRF mode).
Display the spanning tree status and statistics (in
standalone mode).
Display the spanning tree status and statistics (in IRF
mode).
Display the MST region configuration information that has
taken effect.
Display the root bridge information of all MSTIs.
Clear the spanning tree statistics.
Command
stp tc-protection threshold
number
Command
display stp abnormal-port
display stp bpdu-statistics [ interface
interface-type interface-number [ instance
instance-list ] ]
display stp down-port
display stp [ instance instance-list | vlan
vlan-id-list ] history [ slot slot-number ]
display stp [ instance instance-list | vlan
vlan-id-list ] history [ chassis chassis-number slot
slot-number ]
display stp [ instance instance-list | vlan
vlan-id-list ] tc [ slot slot-number ]
display stp [ instance instance-list | vlan
vlan-id-list ] tc [ chassis chassis-number slot
slot-number ]
display stp [ instance instance-list | vlan
vlan-id-list ] [ interface interface-list | slot
slot-number ] [ brief ]
display stp [ instance instance-list | vlan
vlan-id-list ] [ interface interface-list | chassis
chassis-number slot slot-number ] [ brief ]
display stp region-configuration
display stp root
reset stp [ interface interface-list ]
108
Remarks
The default setting is 6.