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
Time
Port priority : 0.00e0-fc01-6510 0 0.00e0-fc01-6510 128.1
Port GigabitEthernet2/0/2
Role change
Time
Port priority : 0.00e0-fc01-6510 0 0.00e0-fc01-6510 128.2
Table 11-7 display stp history command output description
Field
Port
Role change
Time
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.
: ROOT->DESI (Aged)
: 2009/02/08 00:22:56
: ALTER->ROOT
: 2009/02/08 00:22:56
Port name
A role change of the port ("Age" means that the change was caused by expiry of the
received configuration BPDU)
Time of port role calculation
Port priority
---------------------
Description
11-15