Consolidated Platform Configuration Guide, Cisco Ios Release 15.2(4)E (Catalyst 2960-X Switches - Cisco Catalyst 2960 series Configuration Manual

You must also know the specified MST instance ID and the interface used. This example uses 0 as the instance
ID and GigabitEthernet1/0/1 as the interface because that was the instance ID and interface set up by the
instructions listed under Related Topics.
SUMMARY STEPS
1. enable
2. configure terminal
3. interface interface-id
4. spanning-tree mst instance-id port-priority priority
5. end
DETAILED STEPS
Command or Action
Step 1 enable
Example:
Switch> enable
Step 2
configure terminal
Example:
Switch# configure terminal
Step 3 interface interface-id
Example:
Switch(config)# interface
GigabitEthernet1/0/1
Step 4
spanning-tree mst instance-id port-priority
priority
Example:
Switch(config-if)# spanning-tree mst 0
port-priority 64
Step 5
end
Example:
Switch(config-if)# end
Purpose
Enables privileged EXEC mode. Enter your password if prompted.
Enters the global configuration mode.
Specifies an interface to configure, and enters interface configuration
mode.
Configures port priority.
Returns to privileged EXEC mode.

Consolidated Platform Configuration Guide, Cisco IOS Release 15.2(4)E (Catalyst 2960-X Switches)

• 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.
• For priority, the range is 0 to 240 in increments of 16. The
default is 128. The lower the number, the higher the priority.
The priority values are 0, 16, 32, 48, 64, 80, 96, 112, 128, 144,
160, 176, 192, 208, 224, and 240. All other values are rejected.
How to Configure MSTP Features
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