Chapter 18
| Spanning Tree Commands
– 451 –
Related Commands
spanning-tree mst cost (449)
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)#
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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