CCNA 1. Networking Basics v3.1.1 Student Lab Manual (796248), страница 16
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A 2500series router will have an AUI DB-15 Ethernet port labeled AUI 0. These will require a 10BASET transceiver to connect to the RJ-45 cable.c.Identify the Ethernet ports shown that could be used for connecting the routers. Record theinformation below. Record the AUI port numbers if a Cisco 2500 series router is being used.RouterPortPortStep 2 Identify the proper cables and connect routera. The connection between the router and the hub or switch will be accomplished using a Category5 straight-through patch cable. Locate a patch cable that is long enough to reach from the routerto the hub.
Be sure to examine the cable ends carefully and select only straight-through cables.b. Use a cable to connect the Ethernet interface that uses zero designation on the router to a porton the hub or switch. This identifier may vary depending on the type of router used; a 2600series router is shown.Step 3 Connect the workstation Ethernet cablinga. The computer(s) will also connect to the hub using a straight-through patch cable. Run Category5 patch cables from each PC to where the switch or hub is located. Connect one end of thesecables to the RJ-45 connector on the computer NIC and connect the other end to a port on thehub or switch.
Be sure to examine the cable ends carefully and select only straight-throughcables.Step 4 Verifying the connectiona. Plug in and turn on the routers, computers, and hub or switch.b. To verify the router connections, insure that the link light on the router interface and the hub orswitch interface are both lit.c.2-2To verify the computer connections, insure that the link light on the NIC and the hub or switchinterface are both lit.CCNA 1: Networking Basics v 3.1 - Lab 5.2.3aCopyright 2003, Cisco Systems, Inc.Lab 5.2.3b Building a Basic Routed WANObjective•Create a simple routed wide-area network (WAN) with two PCs, two switches or hubs, and tworouters•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 commandBackground / PreparationThis lab focuses on the ability to connect two simple LANs, each consisting of a workstation and aswitch or hub, to form a basic router-to-router WAN.
A router is a networking device that can be usedto 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 androuters must also be configured with the correct IP network settings, which is Layer 3, so that theycan communicate. Straight-through patch cables are used to connect each PC and router to itsswitch or hub. Two special V.35 cables are used to create the simulated WAN link between therouters.1-7CCNA 1: Networking Basics v 3.1 - Lab 5.2.3bCopyright 2003, Cisco Systems, Inc.Note: The two routers need to be preconfigured by the instructor or lab assistant to have thecorrect IP addresses on their LAN and WAN interfaces.
Router A will provide the clockingsignal as DCE.Start this lab with the equipment turned off and with cabling disconnected. Work in teams of two withone 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 RJ-45 Ethernet or Fast Ethernet interface (or an AUI interface) and at leastone serial interface.•10BASE-T AUI transceiver (DB-15 to RJ-45) for a router with an AUI Ethernet interface, which isa 2500 Series•Four Ethernet straight-through cables for connecting the workstations and routers to the hub orswitch•One female (DCE) and one male (DTE) V.35 cable for interconnecting the routersStep 1 Identify and connect the proper Ethernet cable from the PC to the switcha.
The connection between the PC and the switch will be accomplished using a Category 5 or 5estraight-through patch cable. Attach one end to the NIC and the other end to a port on the switchor hub. Be sure to examine the cable ends carefully and select only a straight-through cable.b. Examine the switch or hub.What is the model number of the switch or hub? _________________________________________Step 2 Identify the Ethernet or Fast Ethernet interfaces on the routersa. Examine the routers.b. What is the model number of the Router A? _________________________________________c.What is the model number of the Router B? _________________________________________d.
Locate one or more RJ-45 connectors on each router labeled “10/100 Ethernet” as shown below.The identifier may vary depending on the type of router used; a 2600 series router is shown. A2500 series router will have an AUI DB-15 Ethernet port labeled “AUI 0”. These will require a10Base-T transceiver to connect to the RJ-45 cable.2-7CCNA 1: Networking Basics v 3.1 - Lab 5.2.3bCopyright 2003, Cisco Systems, Inc.e. Identify the Ethernet ports that could be used for connecting the routers. Record the informationbelow. Record the AUI port numbers when working with a Cisco 2500 series router.RouterPortPortStep 3 Cable the router LAN linksa. Router configurationThe routers should be preconfigured by the instructor or lab assistant so that the Ethernet 0interface on each router has the proper IP address and subnet mask as indicated in the tablebelow.
This will allow the routers to route packets between local-area networks 192.168.1.0 and192.168.2.0.RouterE0 Interface IP AddressSubnet maskRouter – A192.168.1.1255.255.255.0Router – B192.168.2.1255.255.255.0b. Connecting the cablesThe connection between the router and the hub or switch will be accomplished using a Category5 straight-through patch cable. Locate a patch cable that is long enough to reach from the routerto the hub. Be sure to examine the cable ends carefully and select only straight-through cables.Connect the Ethernet interface that uses the 0 (zero) designation on the router to a port on thehub or switch.
If connecting to 2500 series routers, use the 10BASE-T AUI transceiver.Step 4 Verify the physical Ethernet connectionsa. Plug in and turn on the computers, switches/hubs and routers. To verify the connections, insurethat the link lights on the both PC NICs, both switch/hub interfaces and router Ethernet interfacesare lit.
Are all link lights lit? _____________________If not, check connections and cable types.Step 5 Identify the serial interfaces on the routera. Examine the routers.b. Identify the serial ports on each router that could be used for connecting the routers to simulate aWAN link. Record the information below. If there is more than one serial interface, use Interface0 on each router.Router NameRouter Serial PortRouter Serial PortRouter ARouter B3-7CCNA 1: Networking Basics v 3.1 - Lab 5.2.3bCopyright 2003, Cisco Systems, Inc.Step 6 Identify and locate the proper V.35 cablesa. Next, inspect the serial cables available in the lab.
Depending on the type of router and/or serialcard, the router may have different connectors.b. Router serial port characteristicsThe two most common types are the DB-60 connector and the smart serial. Using the tablebelow indicate which type routers that are being used.RouterSmart SerialDB60RTRARTRBc.Simulating the WAN link - DCE / DTE and ClockingSince this will not be through a live lease line, one of the routers will need to provide the clockingfor the circuit. This is normally provided to each of the routers by a DCE device such as aCSU/DSU.
To provide this clocking signal, one of the routers will need a DCE cable instead ofthe normal DTE that is used on the other router. Therefore, the connection between routersneeds to be done using one DCE cable and one DTE cable between routers. A V.35 DCE cableand a V.35 DTE cable will be used to simulate the WAN connection.d. V. 35 cable characteristicsThe V.35 DCE connector is a large female V.35 (34-pin) connector. The DTE cable has a largemale V.35 connector.
The cables are also labeled as DCE or DTE on the router end of the cable.Use the DCE cable on Router A since it will be providing the clock signal.DTE4-7CCNA 1: Networking Basics v 3.1 - Lab 5.2.3bDCECopyright 2003, Cisco Systems, Inc.Step 7 Cable the router WAN linka. Router configurationRouter A should be preconfigured by the instructor or lab assistant to provide the DCE clocksignal on the Serial 0 interface.
The Serial 0 interface on each router should have the proper IPaddress and subnet mast as indicated in the table below. The network interconnecting the routerserial interfaces is 192.168.3.0.RouterClockingS0 Interface IP AddressSubnet maskRouter – ADCE192.168.3.1255.255.255.0Router – BDTE192.168.3.2255.255.255.0b. Connecting the cablesThe DCE cable will attach to the Serial 0 interface on Router A. The DTE cable should be attachedto the Serial 0 interface on Router B.
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