Chapter 18
| Spanning Tree Commands
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interface with the highest priority (that is, lowest value) will be configured as an
active link in the spanning tree.
◆ 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 (456)
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
◆ 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.
◆ 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)#
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