Cisco Catalyst 2960 Series, Configuration Manual

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Designating the Neighbor Type , on page 277
Restarting the Protocol Migration Process , on page 278
Configuring the Root Switch
This procedure is optional.
Before You Begin
A multiple spanning tree (MST) must be specified and enabled on the switch. For instructions, see Related
Topics.
You must also know the specified MST instance ID. Step 2 in the example uses 0 as the instance ID because
that was the instance ID set up by the instructions listed under Related Topics.
SUMMARY STEPS
1.
enable
2. configure terminal
3. spanning-tree mst instance-id root primary
4.
end
DETAILED STEPS
Purpose Command or Action
Enables privileged EXEC mode. Enter your password if
prompted. enable
Example:
Switch>
enable
Step 1
Enters the global configuration mode. configure terminal
Example:
Switch# configure terminal
Step 2
Configures a switch as the root switch. spanning-tree mst instance-id root primary
Step 3
Example:
Switch(config)#
spanning-tree mst 0 root
primary
• For instance-id , you can specify a single instance, a range
of instances separated by a hyphen, or a series of instances
separated by a comma. The range is 0 to 4094.
Returns to privileged EXEC mode. end
Example:
Switch(config)# end
Step 4
Consolidated Platform Configuration Guide, Cisco IOS Release 15.2(4)E (Catalyst 2960-X Switches)
264
How to Configure MSTP Features