Dell 28XX manual Defining STP LAG Settings, 122

Defining STP LAG Settings

The STP LAG Settings page contains fields for assigning STP aggregating port parameters. To open the STP LAG Settings page, click Switch→ Spanning Tree→ LAG Settings in the tree view.

Figure 7-18. STP LAG Settings

•Select a LAG — The user-defined LAG. For more information, see "Defining LAG Membership" on page 134.

•STP — Enables or disables STP 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.

•Root Guard — When checked, prevents devices outside the network core from being assigned the spanning tree root.

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