Dell PowerConnect 3348 User's Guide - Page 250
Enabling STP on a LAG, Modifying the LAG STP parameters
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www.dell.com | support.dell.com - Blocking-The LAG is currently blocked and cannot be used to forward traffic or learn MAC addresses. - Listening-The LAG is currently in the listening mode. The LAG cannot forward traffic or learn MAC addresses. - Learning-The LAG is currently in the learning mode. The LAG cannot forward traffic; however, it can learn new MAC addresses. - Forwarding-The LAG is currently in the forwarding mode. The LAG can forward traffic and learn new MAC addresses. • Speed-The speed of the ports comprising the LAG. • Path Cost (1-65535)-Indicates the amount this LAG contributes to the Root Path Cost. The Path Cost can be adjusted to a higher or lower value and can forward traffic to or away from a path being rerouted. The path cost has a value of 1 to 65,535. • Default Path Cost-Indicates the default path cost. The default path cost for a LAG is 4. • Priority (0-255)-Indicates the priority value of the LAG. The Priority value can be used to influence the LAG choice when a bridge has two looped ports on the same LAN. The priority value is between 0 -255. • Designated Bridge ID-Indicates the priority and MAC Address for the designated bridge. • Designated Port-Indicates the priority and MAC Address for the selected port. • Designated Cost-Indicates the Designated Cost. • Forward Transitions-Indicates the number of times the port has changed from the blocking state to forwarding. Enabling STP on a LAG: 1 Open the STP LAG Settings page. 2 Select Enable in the STP field. 3 Define the Priority, Path Cost, and Fast Link fields. 4 Click Apply Changes. STP is enabled on the LAG, and the device is updated. Modifying the LAG STP parameters: 1 Open the STP LAG Settings page. 2 Modify the Priority, Path Cost, and Fast Link fields. 250 Configuring Switch Infor mation