Display Stp History - HP 12500 Series Command Reference Manual

Examples
# Display information about ports that were shut down by spanning tree protection functions.
<Sysname> display stp down-port
Down Port
GigabitEthernet3/0/1
Table 15 Command output
Field
Down Port
Reason

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
mdc-admin
mdc-operator
Parameters
instance instance-list: Displays the historical port role calculation information for the MSTIs that are
specified by an instance list, in the format of instance-list = { instance-id [ to instance-id ] }&<1-10>,
where &<1-10> indicates that you can specify up to 10 instances or instance ranges. The
instance-id argument is in the range of 0 to 4094, and the value 0 represents the CIST.
slot slot-number: Displays the historical port role calculation information on the specified card.
slot-number represents the number of the slot that houses the card. If this keyword-argument
combination is not specified, this command displays the historical port role calculation information
on all cards. (In standalone mode.)
chassis chassis-number slot slot-number: Displays the historical port role calculation information on
the specified card of the specified IRF member device. The chassis-number argument represents the
ID of the IRF member device. The slot-number argument represents the number of the slot that
houses the card. If this keyword-argument combination is not specified, this command displays the
Reason
BPDU-Protected
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.
52