Display Stp History - HP 3100 v2 Series Command Reference Manual

exclude: Displays all lines that do not match the specified regular expression.
include: Displays all lines that match the specified regular expression.
regular-expression: Specifies a regular expression, a case-sensitive string of 1 to 256 characters.
Description
Use display stp down-port to display information about ports shut down by spanning tree
protection functions.
Examples
# Display information about ports shut down by spanning tree protection functions.
<Sysname> display stp down-port
Down Port
Ethernet1/0/1
Ethernet1/0/2
Table 26 Command output
Field
Down Port
Reason

display stp history

Syntax
display stp [ instance instance-id | vlan vlan-id ] history [ slot slot-number ] [ | { begin | exclude |
include } regular-expression ]
View
Any view
Default level
0: Visit level
Parameters
instance instance-id: Displays the historical port role calculation information of a specific MSTI. The
value of instance-id ranges from 0 to 16, where 0 represents the CIST.
vlan vlan-id: Displays the historical port role calculation information for a specific VLAN, in the range
of 1 to 4094.
slot slot-number: Specifies the ID of a switch. The value can only be 1.
|: Filters command output by specifying a regular expression. For more information about regular
expressions, see Fundamentals Configuration Guide.
begin: Displays the first line that matches the specified regular expression and all lines that follow.
exclude: Displays all lines that do not match the specified regular expression.
include: Displays all lines that match the specified regular expression.
regular-expression: Specifies a regular expression, a case-sensitive string of 1 to 256 characters.
Reason
BPDU-Protected
Formatfrequency-Protected
Description
Name of a port shut down by the spanning tree protection functions.
Reason that the port was shut down:
•
BPDU-Protected—BPDU guard function.
•
Formatfrequency-Protected—MSTP BPDU format frequent change protection
function.
98