Spanning-Tree Mst Port-Priority - Motorola EX-3524 Cli Reference Manual

Layer 2 gigabit ethernet poe/poe+ switch
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Chapter 16
| Spanning Tree Commands
spanning-tree
mst port-priority
Command Mode
Interface Configuration (Ethernet, Port Channel)
Command Usage
Each spanning-tree instance is associated with a unique set of VLAN IDs.
This command is used by the multiple spanning-tree algorithm to determine
the best path between devices. Therefore, lower values should be assigned to
interfaces attached to faster media, and higher values assigned to interfaces
with slower media.
Use the no spanning-tree mst cost command to specify auto-configuration
mode.
Path cost takes precedence over interface priority.
Example
Console(config)#interface Ethernet 1/5
Console(config-if)#spanning-tree mst 1 cost 50
Console(config-if)#
Related Commands

spanning-tree mst port-priority (386)

This command configures the priority of an interface in the Multiple Spanning Tree
instance. Use the no form to restore the default.
Syntax
spanning-tree mst instance-id port-priority priority
no spanning-tree mst instance-id port-priority
instance-id - Instance identifier of the spanning tree. (Range: 0-4094)
priority - Priority for an interface. (Range: 0-240 in steps of 16)
Default Setting
128
Command Mode
Interface Configuration (Ethernet, Port Channel)
Command Usage
This command defines the priority for the use of an interface in the multiple
spanning-tree. If the path cost for all interfaces on a switch are the same, the
interface with the highest priority (that is, lowest value) will be configured as an
active link in the spanning tree.
– 386 –

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