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Cisco Catalyst 4500 Series Software Configuration Guide

Cisco Catalyst 4500 Series
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23-29
Catalyst 4500 Series Switch, Cisco IOS Software Configuration Guide - Cisco IOS XE 3.9.xE and IOS 15.2(5)Ex
Chapter 23 Configuring STP and MST
Configuring MST
• Configuring MST Instance Parameters, page 23-30
• Configuring MST Instance Port Parameters, page 23-31
• Restarting Protocol Migration, page 23-32
• Displaying MST Configurations, page 23-32
Enabling MST
To enable and configure MST on a switch, perform this task:
This example show how to enable MST:
Switch# configure terminal
Enter configuration commands, one per line. End with CNTL/Z.
Switch(config)# spanning-tree mode mst
Switch(config)# spanning-tree mst configuration
Switch(config-mst)# show current
Current MST configuration
Name []
Revision 0
Instance Vlans mapped
-------- ---------------------------------------------------------------------
0 1-4094
-------------------------------------------------------------------------------
Switch(config-mst)# name cisco
Switch(config-mst)# revision 2
Switch(config-mst)# instance 1 vlan 1
Switch(config-mst)# instance 2 vlan 1-1000
Switch(config-mst)# show pending
Pending MST configuration
Command Purpose
Step 1
Switch(config)# spanning-tree mode mst
Enters MST mode.
Step 2
Switch(config)# spanning-tree mst configuration
Enters MST configuration submode.
Use the no keyword to clear the MST configuration.
Step 3
Switch(config-mst)# show current
Displays the current MST configuration.
Step 4
Switch(config-mst)# name name
Sets the MST region name.
Step 5
Switch(config-mst)# revision revision_number
Sets the MST configuration revision number.
Step 6
Switch(config-mst)# instance instance_number vlan
vlan_range
Maps the VLANs to an MST instance.
If you do not specify the vlan keyword, use the no
keyword to unmap all the VLANs that were mapped to an
MST instance.
If you specify the vlan keyword, use the no keyword to
unmap a specified VLAN from an MST instance.
Step 7
Switch(config-mst)# show pending
Displays the new MST configuration to be applied.
Step 8
Switch(config-mst)# end
Applies the configuration and exit MST configuration
submode.
Step 9
Switch# show spanning-tree mst configuration
Displays the current MST configuration.

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Cisco Catalyst 4500 Series Specifications

General IconGeneral
SeriesCatalyst 4500 Series
CategorySwitch
Layer SupportLayer 2, Layer 3
Form FactorModular chassis
StackableNo
Chassis Slots3, 6, 7, 10
Power Supply OptionsAC, DC
RedundancyPower supply, Supervisor engine
Network ManagementCisco IOS Software CLI, SNMP, Cisco Prime Infrastructure
FeaturesSecurity, QoS
Port DensityUp to 384 ports per chassis
Security Features802.1X, ACLs, DHCP Snooping, Dynamic ARP Inspection, IP Source Guard
Supervisor Engine8-E

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