3Com 5500-EI PWR - Stp Region-Configuration; Stp Root Primary

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stp region-configuration
Syntax
stp region-configuration
undo stp region-configuration
View
System view
Parameters
None
Description
Use the stp region-configuration command to enter MST region view.
Use the undo stp region-configuration command to restore the MST region-related settings to the
default.
MST region-related parameters include: region name, revision level, and VLAN-to-instance mapping
table. By default:
z MST region name is the first MAC address of the switch
z All VLANs are mapped to the CIST in the VLAN-to-instance mapping table
z The MSTP revision level is 0
You can modify the three parameters after entering MST region view by using the stp
region-configuration command.
NTDP packets sent by devices in a cluster can be transmitted in only the instances where the
management VLAN of the cluster resides.
Examples
# Enter MST region view.
<Sysname> system-view
System View: return to User View with Ctrl+Z.
[Sysname] stp region-configuration
[Sysname-mst-region]
stp root primary
Syntax
stp [ instance instance-id ] root primary [ bridge-diameter bridgenum [ hello-time centi-seconds ] ]
undo stp [ instance instance-id ] root