11-15
If you specify an MSTI ID, this command will display the historic port role calculation information of only
this specified MSTI by the sequence of port role calculation time.
Examples
# Display the historic port role calculation information of the card on slot 2 in MSTI 2.
<Sysname> display stp instance 2 history slot 2
--------------- STP slot 2 history trace ---------------
------------------- Instance 2 ---------------------
Port GigabitEthernet2/0/1
Role change : ROOT->DESI (Aged)
Time : 2009/02/08 00:22:56
Port priority : 0.00e0-fc01-6510 0 0.00e0-fc01-6510 128.1
Port GigabitEthernet2/0/2
Role change : ALTER->ROOT
Time : 2009/02/08 00:22:56
Port priority : 0.00e0-fc01-6510 0 0.00e0-fc01-6510 128.2
Table 11-7 display stp history command output description
Field Description
Port Port name
Role change
A role change of the port (“Age” means that the change was caused by expiry of the
received configuration BPDU)
Time Time of port role calculation
Port priority Port priority
display stp region-configuration
Syntax
display stp region-configuration [ | { begin | exclude | include } regular-expression ]
View
Any view
Default Level
1: Monitor level
Parameters
|: Filters command output by specifying a regular expression. For more information about regular
expressions, see CLI Configuration in the Fundamentals Configuration Guide.
begin: Displays the first line that matches the specified regular expression and all lines that follow.
exclude: Displays the lines that do not match the specified regular expression.
include: Displays all lines that match the specified regular expression.
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