Cisco Catalyst 2960 Software Configuration Manual page 479
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Also See for Catalyst 2960:
- Configuration manual (2288 pages) ,
- Command reference manual (800 pages) ,
- Hardware installation manual (108 pages)
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Chapter 17
Configuring MSTP
Command
Step 4
name name
Step 5
revision version
Step 6
show pending
Step 7
exit
Step 8
spanning-tree mode mst
Step 9
end
Step 10
show running-config
Step 11
copy running-config startup-config
To return to the default MST region configuration, use the no spanning-tree mst configuration global
configuration command. To return to the default VLAN-to-instance map, use the no instance instance-id
[vlan vlan-range] MST configuration command. To return to the default name, use the no name MST
configuration command. To return to the default revision number, use the no revision MST configuration
command. To re-enable PVST+, use the no spanning-tree mode or the spanning-tree mode pvst global
configuration command.
This example shows how to enter MST configuration mode, map VLANs 10 to 20 to MST instance 1,
name the region region1, set the configuration revision to 1, display the pending configuration, apply the
changes, and return to global configuration mode:
Switch(config)# spanning-tree mst configuration
Switch(config-mst)# instance 1 vlan 10-20
Switch(config-mst)# name region1
Switch(config-mst)# revision 1
Switch(config-mst)# show pending
Pending MST configuration
Name
Revision
Instance
--------
0
1
-------------------------------
Switch(config-mst)# exit
Switch(config)#
OL-26520-01
Purpose
Specify the configuration name. The name string has a maximum length
of 32 characters and is case sensitive.
Specify the configuration revision number. The range is 0 to 65535.
Verify your configuration by displaying the pending configuration.
Apply all changes, and return to global configuration mode.
Enable MSTP. RSTP is also enabled.
Caution
You cannot run both MSTP and PVST+ or both MSTP and rapid PVST+
at the same time.
Return to privileged EXEC mode.
Verify your entries.
(Optional) Save your entries in the configuration file.
[region1]
1
Vlans Mapped
---------------------
1-9,21-4094
10-20
Catalyst 2960 and 2960-S Switches Software Configuration Guide, Release 15.0(1)SE
Changing spanning-tree modes can disrupt traffic because all
spanning-tree instances are stopped for the previous mode and
restarted in the new mode.
Configuring MSTP Features
17-17
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