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Designated Cost—Indicates the cost of the designated port participating in the STP topology.
l
Forward Transitions—Indicates the number of times the port has changed from the blocking state to forwarding.
l
LAG—Specifies the LAG to which the port is attached.
l
Enabling STP on a port:
1. Open the STP Port Settings page.
2. Select Enabled in the STP field.
3. Define the Priority, Path Cost, Default Path Cost, and the Fast Link fields.
4. Click Apply Changes. STP is enabled on the port.
Modifying STP Port Properties:
1. Open the STP Port Settings page.
2. Modify the Priority, Path Cost, Default Path Cost, and the Fast Link fields.
3. Click Apply Changes. The STP port parameters are modified, and the device is updated.
STP Port Table Page
Defining STP Port Parameters Using CLI Commands
The following table summarizes the equivalent CLI commands for defining STP port parameters as displayed in the STP Port Settings page.
CLI Command
spanning-tree disable
spanning-tree cost cost
spanning-tree port-priority priority
show spanning-tree [ethernet interface | port-channel port-channel-number] Displays spanning tree configuration.
spanning-tree portfast
The following is an example of the CLI commands:
Console(config)# interface ethernet 1/e5
Console(config-if)# spanning-tree disable
Description
Disables spanning tree on a specific port.
Configures the spanning tree port cost for a port.
Configures port priority.
Enables PortFast mode.
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