64 Chapter 4 Using VLAN Manager208963-BPort membershipIn the navigation pane, the top four icons represent the following types of portmemberships:• Unassigned• Tagging• Isolated Routing Port (IRP)• Bridge Routing (brouter ports)Table 14 describes the port membership types.Viewing the unassigned portsTo view the table associated with the unassigned ports:Table 14 Port membership types and STGsIcon Port type DescriptionUnassigned Port that do not belong to any STG. If no devices in thenetwork contain unassigned ports, a table does not openin the contents pane.Tagging Port that has tagging enabled and can belong to multipleSTGs. If a tagged frame is received on a tagged port, witha VLAN ID specified in the tag, the switch directs it to thatVLAN, if it is present.Isolated RoutingPort (IRP)Port that can only route IP packets and does not belong toany STG or VLAN.Note: IRPs are applicable only to the Passport 1000Series switch.Bridge Routing(brouter ports)Port that can route IP packets as well as bridge allnonroutable traffic. The routing interface is not subjectedto the Spanning Tree Protocol.Note: Bridge routing ports, or brouter ports, are availableonly on the Passport 1000 Series switch and the Passport8600 switch.In the navigation pane, select Unassigned.
