Chapter 19
| Spanning Tree Commands
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Related Commands
spanning-tree mst cost (514)
spanning-tree port-
bpdu-flooding
This command floods BPDUs to other ports when spanning tree is disabled globally
or disabled on a specific port. Use the no form to restore the default setting.
Syntax
[no] spanning-tree port-bpdu-flooding
Default Setting
Enabled
Command Mode
Interface Configuration (Ethernet, Port Channel)
Command Usage
â—† When enabled, BPDUs are flooded to all other ports on the switch or to all other
ports within the receiving port’s native VLAN as specified by the spanning-tree
system-bpdu-flooding command.
â—† The spanning-tree system-bpdu-flooding command has no effect if BPDU
flooding is disabled on a port by the spanning-tree port-bpdu-flooding
command.
Example
Console(config)#interface ethernet 1/5
Console(config-if)#spanning-tree port-bpdu-flooding
Console(config-if)#
spanning-tree
port-priority
This command configures the priority for the specified interface. Use the no form to
restore the default.
Syntax
spanning-tree port-priority priority
no spanning-tree port-priority
priority - The priority for a port. (Range: 0-240, in steps of 16)
Default Setting
128
Command Mode
Interface Configuration (Ethernet, Port Channel)
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