Opnet Lab - City University School of Engineering and...

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Systems Analysis and Design in a Changing World
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Chapter 11 / Exercise 5
Systems Analysis and Design in a Changing World
Jackson/Satzinger
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Material for this Laboratory has been adapted from the book Network Simulation Experiments Manual, by Prof E Aboelela, Morgan Kaufmann 2003 City University School of Engineering and Mathematical Sciences MSc in Telecommunication and Networks EPM775 Multiservice Communication Networks Laboratory Assignment Network Simulation using OPNET November 2006
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Systems Analysis and Design in a Changing World
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Chapter 11 / Exercise 5
Systems Analysis and Design in a Changing World
Jackson/Satzinger
Expert Verified
Material for this Laboratory has been adapted from the book Network Simulation Experiments Manual, by Prof E Aboelela, Morgan Kaufmann 2003 Laboratory 1 Switched Local Area Networks OverviewThis Lab is designed to demonstrate the need for implementation of switches in the design of local area networks. In this Lab, the students will design a 16-station LAN using first a simple hub, and then a switch and two hubs. The performance of the local area network in the two scenarios will then be compared. ProcedureCreate a New Project In this first phase you will open and name your project and name the first simulation scenario. The first simulation scenario will consist of 16 networked stations (PCs) and one hub. In this first phase you will specify the geographic size of the network. 1. Start the OPNET IT Guru Academic Edition Choose Newfrom the Filemenu 2. Select Projectand click OK ; Name the project <your email username>_Lab1(e.g. xy123_Lab1) Name the scenario OnlyHub; Click OK3. In the Startup Wizard:Initial Topologydialog box, make sure that Create Empty Scenariois selected Click Next Choose Officefrom the Network ScaleList Click Nextthree times Click Finish. 4. Closethe Object Palletedialog box. Create the Network To create our switched LAN: 1. Select TopologyRapid Configuration. From the drop-down menu choose Starand click OK. 2. Click the Select Modelsbutton in the Rapid Configurationdialog box. From the Model List drop-down menu choose ethernetand click OK. 3. In the Rapid Configuration dialog box, set the following six values: Center Node Model = ethernet16_hub, Periphery Node Model = ethernet_station, Link Model = 10BaseT, Number =16, Y=50, and Radius = 42Click OK. Remember that 10BaseT link represents an Ethernet connection operating at 10Mbps. 4. Right-click on node_16, which is the hub Edit AttributesChange the nameattribute to Hub1and click OK. 5. Now that you have created the network, it should look like the network on Figure below.
Material for this Laboratory has been adapted from the book Network Simulation Experiments Manual, by Prof E Aboelela, Morgan Kaufmann 2003 Fig.1 6. Make sure to save your project. Configure the network nodes Here you will configure the traffic generated by the stations. 1. Right-click on any of the 16 stations (node_0 to node_15) Select Similar Nodes. Now all stations in the network are selected. 2. Right-click on any of the 16 stations Edit Attributes.

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