DETAILED STEPS
PurposeCommand or Action
Enters the global configuration mode.configure terminal
Example:
Switch# configure terminal
Step 1
Enters MST configuration mode.spanning-tree mst configuration
Example:
Switch(config)# spanning-tree mst
configuration
Step 2
Maps VLANs to an MST instance.
instance instance-id vlan vlan-range
Step 3
Example:
Switch(config-mst)# instance 1 vlan
10-20
•
For instance-id, the range is 0 to 4094.
•
For vlan vlan-range, the range is 1 to 4094.
When you map VLANs to an MST instance, the mapping is
incremental, and the VLANs specified in the command are added
to or removed from the VLANs that were previously mapped.
To specify a VLAN range, use a hyphen; for example, instance 1 vlan
1-63 maps VLANs 1 through 63 to MST instance 1.
To specify a VLAN series, use a comma; for example, instance 1 vlan
10, 20, 30 maps VLANs 10, 20, and 30 to MST instance 1.
Specifies the configuration name. The name string has a maximum
length of 32 characters and is case sensitive.
name name
Example:
Switch(config-mst)# name region1
Step 4
Specifies the configuration revision number. The range is 0 to 65535.
revision version
Example:
Switch(config-mst)# revision 1
Step 5
Verifies your configuration by displaying the pending configuration.show pending
Example:
Switch(config-mst)# show pending
Step 6
Applies all changes, and returns to global configuration mode.exit
Example:
Switch(config-mst)# exit
Step 7
Catalyst 2960-XR Switch Layer 2 Configuration Guide, Cisco IOS Release 15.0(2)EX1
60 OL-29424-01
Configuring Multiple Spanning-Tree Protocol
Specifying the MST Region Configuration and Enabling MSTP
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