Chapter 17
| Spanning Tree Commands
– 460 –
â—† 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 (460)
spanning-tree mst
port-priority
This command configures the interface priority on a spanning instance in the
Multiple Spanning Tree. 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
â—† 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.
â—† Where more than one interface is assigned the highest priority, the interface
with lowest numeric identifier will be enabled.
Example
Console(config)#interface ethernet 1/5
Console(config-if)#spanning-tree mst 1 port-priority 0
Console(config-if)#
Related Commands
spanning-tree mst cost (459)
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