3com 5500-ei pwr Reference Guide

 

1-9 

Table 1-5 Description on the fields of the display stp portdown command 

Port 

Port that has been shut down 

Down Reason 

Reason that caused the port to be blocked.  

z 

BPDU-Protected: BPDU attack guard function 

z 

Formatfrequency-Protected: MSTP BPDU format frequent change 
protection function  

 

Any view 

None 

Use the display stp region-configuration command to display the activated MST region configuration, 

including the region name, region revision level, and VLAN-to-instance mappings configured for the 

switch. 

Related commands: stp region-configuration. 

# Display the configuration of the MST region. 

<Sysname> display stp region-configuration 

Oper Configuration 

   Format selector :0 

   Region name     :hello 

   Revision level  :0 

 

   Instance   Vlans Mapped 

      0       21 to 4094 

      1       1 to 10 

      2       11 to 20 

Table 1-6 Description on the fields of the display stp region-configuration command 

Format selector 

The selector specified by MSTP 

Region name 

The name of the MST region 

Revision level 

Revision level of the MST region, which can be configured 
using the revision-level command and defaults to 0.