HP MSR2000/3000/4000 Router Series Layer 2 - LAN Switching Command Reference

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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
Ethernet2/1 BPDU-Protected
Table 9 Command output
Field Descri
p
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
On an MSR2000 or MSR3000:
display stp [ instance instance-list ] history
On an MSR4000:
display stp [ instance instance-list ] history [ slot slot-number ]
Views
Any view
Predefined user roles
network-admin
network-operator