R21xx-HP FlexFabric 11900 Layer 2 LAN Switching Command Reference

109
Field Descri
tion
TC received TC BPDUs received.
display stp down-port
Use display stp down-port to display information about ports that were shut down by spanning tree
protection functions.
Syntax
display stp down-port
Views
Any view
Predefined user roles
network-admin
network-operator
Examples
# Display information about ports that were shut down by spanning tree protection functions.
<Sysname> display stp down-port
Down Port Reason
Ten-GigabitEthernet1/0/1 BPDU-Protected
Table 28 Command output
Field Descri
tion
Down Port Name of a port that was shut down by the spanning tree protection functions.
Reason
Reason that the port was shut down. BPDU-Protected indicates the BPDU guard
function.
display stp history
Use display stp history to display the historical port role calculation information for the specified MSTI or
all MSTIs.
Syntax
In standalone mode:
display stp [ instance instance-list ] history [ slot slot-number ]
In IRF mode:
display stp [ instance instance-list ] history [ chassis chassis-number slot slot-number ]
Views
Any view
Predefined user roles
network-admin
network-operator