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This lab focuses on the ability to connect two simple LANs, each consisting of a workstation and a switch or hub, to form a basic router-to-router WAN. A router is a networking device that can be used to interconnect LANs which routes packets between different networks using Layer 3 IP addressing. Routers are typically used to connect the Internet. In addition to the physical and data link connections, which are layers 1 and 2, the computers and routers must also be configured with the correct IP network settings, which is Layer 3, so that they can communicate. Straight-through patch cables are used to connect each PC. | Cisco SrsTEMS Lab 5.2.3 Building a Basic Routed WAN Switch A Switch B Router A Router B Straight-through cable Serial cable Rollover console Crossover cable Objective Create a simple routed wide-area network WAN with two PCs two switches or hubs and two routers Identify the proper cables to connect a PC and router to each switch Identify the proper cables to connect the routers to form a WAN link Configure workstation IP address information Test connectivity using the ping command Background Preparation This lab focuses on the ability to connect two simple LANs each consisting of a workstation and a switch or hub to form a basic router-to-router WAN. A router is a networking device that can be used to interconnect LANs which routes packets between different networks using Layer 3 IP addressing. Routers are typically used to connect the Internet. In addition to the physical and data link connections which are layers 1 and 2 the computers and routers must also be configured with the correct IP network settings which is Layer 3 so that they can communicate. Straight-through patch cables are used to connect each PC and router to its switch or hub. Two special V.35 cables are used to create the simulated WAN link between the routers. 1 - 7 CCNA 1 Networking Basics v 3.0 - Lab 5.2.3 Copyright 2003 Cisco Systems Inc. Note The two routers need to be preconfigured by the instructor or lab assistant to have the correct IP addresses on their LAN and WAN interfaces. Router A will provide the clocking signal as DCE. Start this lab with the equipment turned off and with cabling disconnected. Work in teams of two with one person per LAN. The following resources will be required Two workstations with an Ethernet 10 100 NIC installed Two Ethernet 10BaseT or Fast Ethernet switches or two hubs Two routers with an RJ45 Ethernet or Fast Ethernet interface or an AUI interface and at least one serial interface. 10Base-T AUI transceiver DB15 to RJ45 for a router with an AUI Ethernet .