3com 5500-ei pwr Reference Guide

 

1-10 

Instance Vlans Mapped 

VLAN-to-instance mappings in the MST region 

 

Any view 

None 

Use the display stp root command to display information about the root ports in the MSTP region 

where the switch resides.  

# Display information about the root ports in the MSTP region where the switch resides.  

<Sysname> display stp root 

  MSTID Root Bridge ID       ExtPathCost IntPathCost Root Port 

--------  -------------------- ------------  ------------- ----------- 

  0     32768.00e0-fc53-d908  0            200           Ethernet1/0/18 

Table 1-7 Description on the fields of the display stp root command 

MSTID 

MSTI ID in the MST region 

Root Bridge ID 

ID of the root bridge 

ExtPathCost 

 Cost of the external path from the switch to the root bridge. The device 
can automatically calculate the default path cost of a port, or 
alternatively, you can use the stp cost command to configure the path 
cost of a port.   

IntPathCost 

 Cost of the internal path from the switch to the root bridge. The device 
can automatically calculate the default path cost of a port, or 
alternatively, you can use the stp cost command to configure the path 
cost of a port. 

Root Port 

Root port (If a port on the current device is an MSTI root port, the port 
type and port number is displayed. Otherwise, the root port name is not 
displayed.)