One Frame Relay switch: four serial ports
One access server: eight asynchronous interfaces, one Ethernet port
Two lab routers: one Ethernet, two serial interfaces, one ISDN BRI
Two lab routers: one Token Ring, two serial interfaces
One lab router: one Ethernet port, two serial interfaces
Two Token Ring hubs/MAUs
One Catalyst 5000
If you have another Catalyst available, it will help simulate the trunk; however, it is not required.