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Adding Primary Tunnels

To switch to modify mode, click on “Modify” mode button. The Modify pull-down menu gets activated.

Select Modify > Elements > Tunnels from the Modify pull-down menu. In the Tunnels window, click Add and select One Tunnel. The Add Tunnel window is displayed as shown in Figure 1.

Figure 1: Add Tunnel WindowSoftware interface for adding tunnel configuration with fields for Tunnel ID, Node A and Node Z, BW, routing constraints, priority, type, and comment. Additional settings tabs and buttons for adding tunnel, closing, and help.

In the Properties tab, specify a TunnelID, the BW (bandwidth) for the tunnel, and the Pri,Pre (setup priority/holding priority) fields. Also select the source and destination nodes (Node A and Node Z).

In the Paths tab, Note the different ways of configuring a path under the To choose paths field.

Figure 2: Different Methods of Choosing PathsSoftware interface for adding tunnel with tabs for Properties, Advanced Properties, Location, Paths, User Parameters. Options for path selection and buttons for Add Row, Delete Row, Show Path, Show All Paths, Add. Checkbox for Auto Add on Mouse Clicks.

How to specify a configured and/or dynamic route is described later in this chapter.

After you have specified your route, click “Add” to add the tunnel. A yellow line between the source and destination will be drawn on the map to represent the logical tunnel. Note that the routing of the tunnel has not been performed yet.