No mst instanceid vlan vlan-range | Microsoft ES4625, ES4649

4 Command Line Interface

spanning-tree mst-configuration

This command changes to Multiple Spanning Tree (MST) configuration mode.

Default Setting

•No VLANs are mapped to any MST instance.

•The region name is set the switch’s MAC address.

Command Mode

Global Configuration

Example

Console(config)#spanning-tree mst-configuration

Console(config-mstp)#

Related Commands

mst vlan (4-176) mst priority (4-177) name (4-177) revision (4-178)max-hops(4-179)

mst vlan

This command adds VLANs to a spanning tree instance. Use the no form to remove the specified VLANs. Using the no form without any VLAN parameters to remove all VLANs.

Syntax

[no] mst instance_id vlan vlan-range

•instance_id - Instance identifier of the spanning tree. (Range: 0-4094)

•vlan-range- Range of VLANs. (Range: 1-4093)

Default Setting

none

Command Mode

MST Configuration

Command Usage

•Use this command to group VLANs into spanning tree instances. MSTP generates a unique spanning tree for each instance. This provides multiple pathways across the network, thereby balancing the traffic load, preventing wide-scale disruption when a bridge node in a single instance fails, and allowing for faster convergence of a new topology for the failed instance.

•By default all VLANs are assigned to the Internal Spanning Tree (MSTI 0) that connects all bridges and LANs within the MST region. This switch supports up to 58 instances. You should try to group VLANs which cover the same general area of your network. However, remember that you must configure all bridges within the same MSTI Region (page 4-177)with the same set of instances,

4-176

ES4649, ES4625 specifications

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Microsoft ES4625, ES4649 manual Command Line Interface Spanning-tree mst-configuration

Models: ES4649 ES4625