9. 通用的广域网协议 SDLC HDLC PPP X.25 Frame Relay ISDN Simplified version of HDLC framing Packet Level Protocol (PLP) Integrated Services Digital Network Synchronous Data Link Control High-Level Data Link Control Point-to Point Protocol DSU/CSU CSU/DSU (Modem) (Modem) WAN Provider Network DCE DCE DTE DTE
24. 局域网到局域网的路由流程 Network 1 Network 3 E0 E1 To0 Host 5 Host 4 Network 2 Token Ring 802.3 路由表 Net 2, Host 5 802.5 From LAN to LAN Destination Network Outgoing Interface 1 2 3 E0 To0 E1 Net 2, Host 5
25. 使用路由器提供 局域网 - 到 - 广域网的连接 路由器 A Host 2 网络 2 Host 5 路由器 B 网络 1 局域网 交换机 WAN
26. 局域网到广域网的路由流程 1.3 2.4 Data A A Token Ring 1.3 Token Ring B B 2.4 From LAN Frame Relay Frame Relay 1.3 2.4 Data to WAN Ethernet 1.3 2.4 Data 1.3 2.4 Data to LAN Data 1.3 2.4 Data 1.3 2.4 Data Data 1.3 2.4 Data
Purpose: This chapter reviews the physical layer and describes how to cable various network devices. Timing: This chapter takes approximately 1 hour to present. Note: This section has a cabling laboratory exercise at the end. Contents: Objectives—This section explains what the student will be able to do at the end of this chapter. TCP/IP Overview—This section describes the TCP/IP protocol stack. TCP/IP Application Layer Overview—This section describes the application protocols. TCP/IP Transport Layer Overview—This section describes TCP and UDP. TCP/IP Internet Layer Overview—This section describes IP and other Internet layer protocols. TCP/IP Address Overview—This section describes IP addressing. Configuring IP Addresses—This section describes how to address an IOS device with IP Interconnecting Networks—This section describes how to interconnect separate VLANs and WANs With TCP/IP. Written Exercise—This section has students work with IP addresses in binary format.