Dell PowerConnect 35 SERIES, User Manual

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Configuring Switch Information
Defining STP LAG Settings
Use the STP LAG Settings page to assign STP aggregating ports parameters.
To open the STP LAG Settings page, click Switch
→
Spanning Tree
→
LAG Settings in the tree view.
Figure 7-38. STP LAG Settings
The Spanning Tree LAG Settings page contains the following fields:
• Select a LAG — The LAG number for which you want to modify STP settings.
• STP — Enables or disables STP on the LAG. The possible field values are:
– Enable — Indicates that STP is enabled on the LAG.
– Disable — Indicates that STP is disabled on the LAG.
• Fast Link — Enables Fast Link mode for the LAG. If Fast Link mode is enabled for a LAG, the LAG
State is automatically placed in the Forwarding state when the LAG is up. Fast Link mode optimizes
the time it takes for the STP protocol to converge. STP convergence can take 30-60 seconds in large
networks. The possible values are:
– Checked — Fast Link is enabled.
– Unchecked — Fast Link is disabled.