52
•
If you do not specify any MSTI, this command displays the historical port role calculation
information of all MSTIs. The displayed information is sorted by MSTI ID and by port role calculation
time in each MSTI.
•
If you specify an MSTI, this command displays the historical port role calculation information of the
specified MSTI by the sequence of port role calculation time.
Examples
# In MSTP mode, display the historical port role calculation information in MSTI 0.
<Sysname> display stp instance 0 history
------------------- Instance 0 ---------------------
Port GigabitEthernet1/0/1
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 GigabitEthernet1/0/2
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 16
Command output
Field Description
Port Port
name.
Role change
A role change of the port ("Age" means that the change was caused by expiration
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
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.
