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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 a tunnel with fields for Tunnel ID, Node A, Node Z, Bandwidth, Type, and Comment. Tabs for Properties, Advanced Properties, Location, Paths, and User Parameters. Buttons for Add, Close, 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 a network tunnel with tabs for Properties, Advanced Properties, Location, Paths, and User Parameters. Paths tab is selected, showing a dropdown for choosing paths and a table with Pathname, Opt, Configure, BW, and Type columns. Buttons include Path Table, Show Path, Show All Paths, Add Row, Delete Row, Add, Close, Help. Checkbox for Auto Add on Mouse Clicks is present.

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.