Dell PowerConnect 3324 User Manual page 250

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• 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:
Open the STP LAG Settings page.
1
Select Enable in the STP field.
2
Define the Priority, Path Cost, and Fast Link fields.
3
Click Apply Changes. STP is enabled on the LAG, and the device is updated.
4
Modifying the LAG STP parameters:
Open the STP LAG Settings page.
1
Modify the Priority, Path Cost, and Fast Link fields.
2
250 Configuring Switch Infor m ation
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.