Display Stp Region-Configuration - H3C MSR 20-20 Command Reference Manual

602 C 38: MSTP C
HAPTER
Parameters
Description
Examples

display stp region-configuration

Syntax
View
Parameters
C
ONFIGURATION OMMANDS
instance instance-id: Displays the historic port role calculation information of a
particular spanning tree instance. The minimum value of instance-id is 0,
representing the common internal spanning tree (CIST), and the maximum value
of instance-id depends on device model.
Use the
display stp history
information of the specified spanning tree instance or all spanning tree instances.
Note that:
If you do not specify a spanning tree instance ID, this command will display the
■
historic port role calculation information of all spanning tree instances. The
displayed information is sequenced by instance ID, and in the timing of port
role calculation in each instance.
If you specify a spanning tree instance ID, this command will display the historic
■
port role calculation information of only this specified spanning instance, in the
timing of port role calculation.
# View the historic port role calculation information of the card on slot 1 in MSTP
instance 2.
<Sysname> display stp instance 2 history slot 1
--------------- STP slot 1 history trace ---------------
-------------------
Port Ethernet1/1
Role change
Time
Port priority : 0.00e0-fc01-6510 0 0.00e0-fc01-6510 128.1
Port Ethernet1/2
Role change
Time
Port priority : 0.00e0-fc01-6510 0 0.00e0-fc01-6510 128.2
Table 106 Description on the fields of the display stp history command
Field
Port
Role change
Time
Port priority
display stp region-configuration
Any view
None
command to view the historic port role calculation
Instance 2 ---------------------
: ROOT->DESI (Aged)
: 2006/08/08 00:22:56
: ALTER->ROOT
: 2006/08/08 00:22:56
Description
Port name
A role change of the port (Aged means that the change was
caused by expiry of a configuration BPDU.)
Time of port role calculation
Port priority