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Field
MST received
Instance
Timeout BPDUs
Max-hoped BPDUs
TC detected
TC sent
TC 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
GigabitEthernet1/0/1
Table 29 Command output
Field
Down Port
Reason
display stp history
Use display stp history to display port role calculation history.
Syntax
display stp [ instance instance-list | vlan vlan-id-list ] history [ slot slot-number ]
Views
Any view
Predefined user roles
network-admin
Description
MSTP BPDUs sent.
Statistical information for a particular MSTI.
Expired BPDUs.
BPDUs whose maximum hops were exceeded.
TC BPDUs detected.
TC BPDUs sent.
TC BPDUs received.
Description
Name of a port that was shut down by the spanning tree protection functions.
Reason that the port was shut down. BPDU-Protected indicates the BPDU guard
function.
122
Reason
BPDU-Protected
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