ocr: SIMPLIFYING OPOLOGY WITH TRANSPARENT AND SOURCE ROUTE BRIDGING Token Ring switch Port 4 Port 1 Ring Port5 Ring 33 Port2 32 Parts Port 3 Port. 7. Figure 2. With Virtual Rings, users don't have to configure neH ring: numbers. The Hew rings appear to the ner- work as the original ring. Iu this example, tansparent bridging exists between ports h 2, and 3, and betweer ports 4,5, and 6. Source route bridiging exists between ring 32 aud ring. 33.