Cisco Catalyst 4500 Series Command Reference Guide

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Catalyst 4500 Series Switch Cisco IOS Command Reference—Release IOS XE 3.4.0SG and IOS 15.1(2)SG)
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Chapter 2 Cisco IOS Commands for the Catalyst 4500 Series Switches
show spanning-tree mst
show spanning-tree mst
To display MST protocol information, use the show spanning-tree mst command.
show spanning-tree mst [configuration]
show spanning-tree mst [instance-id] [detail]
show spanning-tree mst [instance-id] interface interface [detail]
Syntax Description
Defaults This command has no default settings.
Command Modes Privileged EXEC mode
Command History
Usage Guidelines This command is not supported on systems that are configured with a Supervisor Engine I.
In the output display of the show spanning-tree mst configuration command, a warning message might
display. This message appears if you do not map secondary VLANs to the same instance as the associated
primary VLAN. The display includes a list of the secondary VLANs that are not mapped to the same
instance as the associated primary VLAN. The warning message is as follows:
These secondary vlans are not mapped to the same instance as their primary:
-> 3
See the show spanning-tree command for output definitions.
configuration (Optional) Displays region configuration information.
instance-id (Optional) Instance identification number; valid values are from 0 to 15.
detail (Optional) Displays detailed MST protocol information.
interface interface (Optional) Interface type and number; valid values for type are fastethernet,
gigabitethernet, tengigabitethernet, port-channel, and vlan. See the “Usage
Guidelines” section for more information.
Release Modification
12.1(12c)EW Support for this command was introduced on the Catalyst 4500 series switch.
12.2(25)EW Added support for the 10-Gigabit Ethernet interface.

Cisco Catalyst 4500 Series Specifications

General

Series	Catalyst 4500 Series
Category	Switch
Layer Support	Layer 2, Layer 3
Form Factor	Modular chassis
Stackable	No
Chassis Slots	3, 6, 7, 10
Power Supply Options	AC, DC
Redundancy	Power supply, Supervisor engine
Network Management	Cisco IOS Software CLI, SNMP, Cisco Prime Infrastructure
Features	Security, QoS
Port Density	Up to 384 ports per chassis
Security Features	802.1X, ACLs, DHCP Snooping, Dynamic ARP Inspection, IP Source Guard
Supervisor Engine	8-E