Spanning-Tree Commands 371
User Guidelines
All VLANs that are not explicitly mapped to an MST instance are mapped to the common and internal
Spanning Tree (CIST) instance (instance 0) and cannot be unmapped from the CIST.
For two or more devices to be in the same MST region, they must have the same VLAN mapping, the
same configuration revision number, and the same name.
Example
The following example maps VLANs 10-20 to MST instance 1.
name (mst)
The name MST Configuration mode command defines the MST region name. Use the no form of this
command to return to the default setting.
Syntax
•
name
string
• no name
•
string —
MST configuration name. Case-sensitive. (Range: 1 - 32 characters)
Default Configuration
The default name is a bridge ID.
Command Mode
MST Configuration mode.
User Guidelines
There are no user guidelines for this command.
Example
The following example defines the configuration name as region1.
Console(config)# spanning-tree mst configuration
Console(config-mst)# instance 1 add vlan 10-20
Console(config)# spanning-tree mst configuration
Console(config-mst)# name region 1
book.book Page 371 Thursday, December 18, 2008 7:40 PM
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