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
PurposeCommand or Action
Enables privileged EXEC mode. Enter your password if prompted.enable
Step 1
Example:
Switch> enable
Enters the global configuration mode.configure terminal
Example:
Switch# configure terminal
Step 2
Specifies an interface to configure, and enters interface configuration
mode.
interface interface-id
Example:
Switch(config)# interface
GigabitEthernet1/0/1
Step 3
Configures port priority.
spanning-tree mst instance-id port-priority
priority
Step 4
•
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.
Example:
Switch(config-if)# spanning-tree mst 0
port-priority 64
•
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.
Returns to privileged EXEC mode.end
Example:
Switch(config-if)# end
Step 5
Consolidated Platform Configuration Guide, Cisco IOS Release 15.2(4)E (Catalyst 2960-X Switches)
267
How to Configure MSTP Features
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