Enabling Mst - Cisco 7604 Configuration Manual
Ios software configuration guide
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Configuring Prestandard IEEE 802.1s MST
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Enabling MST
To enable and configure MST, perform these tasks in privileged mode:
Command
Step 1
Router# show spanning-tree mst configuration
Step 2
Router(config)# spanning-tree mode mst
Step 3
Router(config)# spanning-tree mst configuration
Router(config)# no spanning-tree mst
configuration
Step 4
Router(config-mst)# show current
Step 5
Router(config-mst)# name name revision
revision_number instance instance_number vlan
vlan_range
Step 6
Router(config-mst)# no instance instance_number
Step 7
Router(config-mst)# no instance instance_number
vlan vlan_number
Step 8
Router(config-mst)# end
Step 9
Router# show spanning-tree mst config
These examples show how to enable MST:
Router# show spanning-tree mst configuration
% Switch is not in mst mode
Name
Revision
Instance
--------
0
-------------------------------------------------------------------------------
Router# configure terminal
Enter configuration commands, one per line.
Router(config)# spanning-tree mode mst
Router(config)# spanning-tree mst configuration
Router(config-mst)# show current
Current MST configuration
Name
Revision
Instance
Cisco 7600 Series Router Cisco IOS Software Configuration Guide, Release 12.2SX
20-34
Enabling MST, page 20-34
Displaying MST Configurations, page 20-35
Configuring MST Instance Parameters, page 20-39
Configuring MST Instance Port Parameters, page 20-40
Restarting Protocol Migration, page 20-40
[]
0
Vlans mapped
---------------------------------------------------------------------
1-4094
[]
0
Vlans mapped
Chapter 20
Configuring STP and Prestandard IEEE 802.1s MST
Purpose
Displays the current MST configuration.
Configures MST mode.
Configures the MST region by entering the MST
configuration submode.
Clears the MST configuration.
Displays the current MST configuration from within the
MST configuration submode.
Enters the MST configuration.
(Optional) Unmaps all VLANs that were mapped to an
instance.
(Optional) Unmaps a VLAN from an instance.
Applies the configuration and exit configuration mode.
Shows the MST configuration from the global
configuration mode.
End with CNTL/Z.
OL-4266-08
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