Display Stp Root - 3Com Switch 4500 Family Manual

Revision level
Instance Vlans Mapped

display stp root

Syntax
display stp root
View
Any view
Parameters
None
Description
Use the display stp root command to display information about the root ports in the MSTP region
where the switch resides.
Examples
# Display information about the root ports in the MSTP region where the switch resides.
<Sysname> display stp root
MSTID Root Bridge ID
-------- -------------------- ------------
0 32768.00e0-fc53-d908
Table 1-7 Description on the fields of the display stp root command
Field
MSTID
Root Bridge ID
ExtPathCost
IntPathCost
Root Port
Field
ExtPathCost IntPathCost Root Port
0
MSTI ID in the MST region
ID of the root bridge
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.
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 (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.)
Revision level of the MST region, which can be configured
using the revision-level command and defaults to 0.
VLAN-to-instance mappings in the MST region
------------- -----------
200
Description
1-9
Description
Ethernet1/0/18