Dell PowerConnect 5548 User Guide - Page 438

- Speed - Displays the speed at which the port is operating. - Path Cost (1-200000000) - Enter the port contribution to the root path cost. The path cost is adjusted to a higher or lower value, and is used to forward traffic when a path being rerouted. - Default Path Cost - Check to use the default path cost. - Priority - Select the priority value that influences the port choice when a bridge has two ports connected in a loop. The priority value is provided in increments of 16. - Designated Bridge ID - Displays the bridge priority and the MAC address of the designated bridge. - Designated Port ID - Displays the designated port's priority and interface. - Designated Cost - Displays the cost of the port participating in the STP topology. Ports with a lower cost are less likely to be blocked if STP detects loops. - Forward Transitions - Displays the number of times the port has changed from the Forwarding state to Blocking. - LAG - Displays the LAG to which the port is attached. Defining STP Port Settings Using CLI Commands The following table summarizes the CLI commands for defining STP port parameters as displayed in the STP Port Settings page. Table 13-2. STP Port Settings CLI Commands CLI Command spanning-tree disable no spanning-tree disable spanning-tree cost cost no spanning-tree cost Description Disables spanning tree on a specific port. Use the no form of this command to enable the spanning tree on a port. Configures the spanning tree cost contribution of a port Use the no form of this command to restore the default configuration. 438 Dell PowerConnect 55xx Systems User Guide