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Spanning-tree mst instance – Allied Telesis AT-DC2552XS User Manual

Page 372

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Chapter 14: STP Commands

372

Section II: Layer 2 Switching

SPANNING-TREE MST INSTANCE

Syntax

spanning-tree mst instance

mst-instance

Parameter

mst-instance

Specifies the ID of an existing MST instance. The range is 1 to 15.

Mode

Port Interface mode

Description

Use this command to reassociate a Multiple Spanning Tree (MST)
instance with a port after removing this association with the NO
SPANNING-TREE MST INSTANCE command. By default, a port is
associated with the MST instance of the VLAN assigned to the port. To
associate an MST instance with a VLAN, see “INSTANCE VLAN” on
page 340.

Note

This command is applicable only when MSTP is enabled. When
MSTP is enabled, a port on the switch is always assigned to CIST
(instance 0) even when the port belongs to a VLAN.

To remove an MST instance associated with a port, use the NO
SPANNING-TREE MST INSTANCE command.

Confirmation Command

“SHOW SPANNING-TREE” on page 344

Examples

This example removes the association between MST instance 2 and ports
1.0.1 to 1.0.10:

awplus> enable
awplus# configure terminal
awplus(config)# interface port1.0.1-1.0.10
awplus(config-if)# no spanning-tree mst instance 2