By default, expanding a node marked with a plus sign adds all nodes that are one hop away from the node. For example, expanding an EIGRP service node shows all the EIGRP session objects and peer EIGRP service objects associated with the EIGRP service node.
You can use any of the following methods to expand a node marked with a plus sign:
Select the node and then select Expand Map Element from the Map Console Map menu.
Right-click the node and then select Expand Map Element.
Select the node and click the Show neighboring nodes button.Note:
Double-clicking a node launches either a Notification Properties dialog box or a Topology Browser view for the object, depending on whether any notifications are associated with the object.