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250 Configuring Switch Information
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– 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.