第三章局域网基础

3 1 1 2 10Mbps 1 000 Mbps 3 4 5 2 3 STP Shielded Twisted Pair UTP Unshiekede Twisted Pair 3 1 CSMA CD 2 Token Bus 3 Token Ring 1 IEEE 802 IEE 802 IEEE 802 1 IEEE 802 1 2 IEEE 802 2 LLC 3 IEEE 802 3 CSMA CD 4 IEEE 802 4 Token Bus 5 IEEE 802 5 Token Ring 6 IEEE 802 6 MAN 7 IEEE 802 7 8 IEEE 802 8 9 IEEE 802 9 IVD LAN 10 IEEE 802 10 SILS 11 IEEE 802 11 2 IEEE 802 3 Ethernet IEEE 802 2 3 CSMA CD Token Bus Token Ring Ethernet Ethernet CSMA CD Carrier Sense Multiple Access with Collision Detection 3 IEEE 802 4 Token Bus IEEE 802 4 Token Bus Token Bus Token Token Bus 4 IEEE 802 5 Token Ring 1969 Newhall IBM Token Ring IEEE 802 5 IBM Token Ring IEEE 802 5 1 2 3 4 IEEE 802 5 25 MAC 5 CSMA CD Token Bus Token Ring CSMA CD 1 CSMA CD VLSI CSMA CD Ethernet 2 CSMA CD 3 CSMA CD CSMA CD Token Bus Token Ring 1 Token Bus Token Ring 2 Token Bus Token Ring 3 Token Bus Token Ring 1 Ethernet 10 Mbps 100 Mbps 1 Gbps Fast Ethernet 100 Mbps 1 Gbps CSMA CD Ethernet N CSMA CD 2 FDDI 1 IEEE 802 5 MAC 2 IEEE 802 2 IEEE 802 3 100 Mbps 1000 100 km 4 5 6 FDDI 4 1 2 3 4 3 Fast Ethernet Fast Ethernet 100 Mbps Fast Ethernet 10 Mbps Ethernet CSMA CD Ethernet 100 ns 10 ns 1995 9 IEEE 802 Fast Ethernet IEEE 802 3u IEEE 802 3u LLC IEEE 802 2 MAC CSMA CD 100 BASE T 100 BASE T MII Media Independent Interface MAC 100 Mbps MAC 100BASE T 100BASE TX 100BASE T4 100BASE FX 4 Gigabit Ethernet 1998 2 IEEE 802 Gigabit Ethernet IEEE 802 3z Gigabit Ethernet Fast Ethernet 10 1 000 Mbps Gigabit Ethernet 10 Mbps Ethernet Ethernet 100 ns 1 ns IEEE 802 3z LLC IEEE 802 2 MAC CSMA CD 1000 BASE T 1000 BASE T GMII Gigabit Media Independent Interface MAC 1 000 Mbps MAC 1000 BASE T 1000 BASE T 1 1000 BASE T 1000 BASE T 5 100 m 2 1000 BASE CX 1000 BASE CX 25 m 3 1000 BASE LX 1000 BASE LX 1300nm 3 000m 4 1000 BASE SX 1000 BASE SX 850nm 300m 550m 5 1 802 3 Ethernet 802 5 Token Ring Switched Ethernet Ethernet Switch Ethernet Switch Ethernet HUB 10 Mbps 10 Mbps 10 Mbps Ethernet Ethernet 10 Mbps Ethernet HUB HUB Ethernet Ethernet Switch 2 3 3 s s s 10 Mbps 10 Mbps 20 Mbps 100 Mbps 100 Mbps 200 Mbps 10 Mbps 100 Mbps Ethernt Switch 10 BASE T 10 Mbps 100 BASE T 100 Mbps 10 Mbps 100 Mbps 10 Mbps 100 Mbps Autosense 10 Mbps 100 Mbps 10 Mbps 100 Mbps 6 1 ATM 2 4 MAC IP 1 IEEE 802 3 2 1 NIC Network Interface Card 2 PCMCIA 10Mbps 100Mbps 10Mbps 100Mbps 1000Mbps 3 1 2 3 4 1 2 10 Mbps 10 Mbps 100 Mbps 3 4 1 3 1 2 3 2 1 2 3 1 100 BASE T 10 100 BASE T 2 100 BASE T 10 BASE T 100 BASE T 4 1 1000