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R3166-R3206-HP High-End Firewalls Network Management Command Reference-6PW101

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Table Of Contents
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• If you do not specify any MSTI, this command displays the historical port role calculation
information for 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 for the
specified MSTI by the sequence of port role calculation time.
Examples
# In MSTP mode, display the historical port role calculation information for MSTI 2.
<Sysname> display stp instance 2 history
------------------- Instance 2 ---------------------
Port GigabitEthernet0/1
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 GigabitEthernet0/2
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 17 Output description
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
View
Any view
Default level
1: Monitor level
Parameters
None
Description
Use the display stp region-configuration command to display effective configuration information of the
MST region, including the region name, revision level, and user-configured VLAN-to-instance mappings.
Related commands: instance, region-name, revision-level, and vlan-mapping modulo.
Examples
# In MSTP mode, display effective MST region configuration information.