Examples
# In MSTP mode, display the historical port role calculation information of IRF member switch 1 in MSTI
2.
<Sysname> display stp instance 2 history slot 1
--------------- STP slot 1 history trace ---------------
-------------------
Port Ethernet1/0/1
Role change
Time
Port priority : 0.00e0-fc01-6510 0 0.00e0-fc01-6510 128.1
Port Ethernet1/0/2
Role change
Time
Port priority : 0.00e0-fc01-6510 0 0.00e0-fc01-6510 128.2
# In PVST mode, display the historical port role calculation information of IRF member switch 1 in VLAN
2.
<Sysname> system-view
[Sysname] stp mode pvst
[Sysname] display stp vlan 2 history slot 1
--------------- STP slot 1 history trace ---------------
-------------------
Port Ethernet1/0/1
Role change
Time
Port priority : 0.00e0-fc01-6510 0 0.00e0-fc01-6510 128.1
Port Ethernet1/0/2
Role change
Time
Port priority : 0.00e0-fc01-6510 0 0.00e0-fc01-6510 128.2
Table 29 Command output
Field
Port
Role change
Time
Port priority
display stp region-configuration
Syntax
display stp region-configuration [ | { begin | exclude | include } regular-expression ]
Instance 2
---------------------
: ROOT->DESI (Aged)
: 2009/02/08 00:22:56
: ALTER->ROOT
: 2009/02/08 00:22:56
VLAN 2
---------------------
: ROOT->DESI (Aged)
: 2009/02/08 00:22:56
: ALTER->ROOT
: 2009/02/08 00:22:56
Description
Port name.
Role change of the port ("Aged" means that the change was caused by expiration of
the received configuration BPDU).
Time of port role calculation.
Port priority.
119