This chapter presents background and configuration information for the following router interfaces:
2-1: Ethernet Interfaces
2-2: FDDI Interfaces
2-3: Token Ring Interfaces
2-4: Loopback and Null Interfaces
2-5: VLAN Interfaces
2-6: Tunnel Interfaces
2-7: Synchronous Serial Interfaces
2-8: Packet-Over-Sonet Interfaces
2-9: Frame Relay Interfaces
2-10: Frame Relay Switching
2-11: ATM Interfaces
2-12: ATM LANE
