Dell PowerConnect 5548 User Guide - Page 443
Defining STP LAG Settings Using CLI Commands
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- Path Cost (1-200000000) - Enter the amount the LAG contributes 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 is being rerouted. The path cost has a value of 1 to 200000000. - Default Path Cost - Check for the device to use the default path cost. - Priority - Select the priority value of the LAG. The priority value influences the LAG choice when a bridge has looped ports. The priority value is given in steps of 16. - Designated Bridge ID - Displays the priority and the MAC address of the designated bridge. - Designated Port ID - Displays the ID of the selected 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 LAG State has changed from the Forwarding state to a Blocking state. Defining STP LAG Settings Using CLI Commands For information about CLI commands for defining STP LAG settings, see Table 15-2. The following is an example of the CLI commands: console(config)# interface port-channel 1 console(config-if)# spanning-tree disable console(config-if)# spanning-tree cost 35000 console(config-if)# spanning-tree port-priority 96 console(config-if)# spanning-tree portfast Dell PowerConnect 55xx Systems User Guide 443