DCFM Enterprise User Manual (53-1001775-01, June 2010)

456 DCFM Enterprise User Manual

53-1001775-01

Setting Spanning Tree parameters for a switch

You cannot configure Spanning Tree Protocol (STP) when adding a new LAG. STP can be configured

only after the LAG has been added to the switch.

NOTE

The ports and the ports in a link aggregation group (LAG) for the selected switch must be in Layer 2

(L2) mode. If the ports or ports in a LAG are not in L2 mode, a yellow banner displays, indicating

Spanning Tree Protocol is disabled and the STP parameters are disabled as well.

1. Select Configure > Switch > CEE from the menu bar.

The CEE Configuration dialog box displays, showing the status of all CEE-related hardware and

functions.

2. Select a switch, and click Edit.

3. Click the Spanning Tree Protocol tab on the Edit Port dialog box.

The Enable Spanning Tree Protocol dialog box displays.

4. Click the Enable Spanning Tree Protocol check box to enable STP, and click OK.

The Spanning Tree Protocol dialog box displays.

FIGURE 189 Spanning Tree Protocol dialog box, STP and RSTP

NOTE

The phrase (currently enabled on switch) indicates which STP mode is configured on the

switch.