Judul : Learn to Use Packet Tracer
link : Learn to Use Packet Tracer
Learn to Use Packet Tracer
Objectives
* Develop an understanding of the basic functions of Packet Tracer.
* Create/model a simple Ethernet network using 3 hosts and a hub.
* Observe traffic behavior on the network.
* Observer data flow of ARP broadcasts and pings.
During an activity, to ensure that the instructions always remain visible, click the "top" check box in the instruction box window.
Step 1: Create a logical network diagram with 3 PCs and a hub.
The bottom left hand corner of the Packet tracer screen displays the icons that represent device categories or groups, such as Routers, Switches, or End Devices.
Moving the cursor over the device categories will show the name of the category in the box. To select a device, first select the device category. Once the device category is selected, the options within that category appear in the box next to the category listings. Select the device option that is required.
a) Select End Devices from the options in the bottom left-hand corner. Drag and drop 3 generic PCs onto your design area.
b) Select Hubs from the options in the bottom left-hand corner. Add a hub to your prototype network by dragging it onto your design area.
c) Select Connections from the bottom left-hand corner. Choose a copper straight-through cable type. Click on the first host and assign the cable to the FastEthernet connector. Click on the hub and select a connection port for PC0.
d) Repeat step c for all three PCs.
*There should be green dots at both ends of each cable connection. If not, double check the cable type selected.
Step 2: Configure host names and IP addresses on the PCs.
a) Click on PC0.
b) Select the Config tab. Change the PC Display Name to PC-A. Select the FastEthernet tab on the left and add the IP address of 192.168.1.1 and subnet mask of 255.255.255.0. Close the PC-A configuration window by selecting the x in the upper right hand corner.
c) Click on PC1.
d) Select the Config tab. Change the PC Display Name to PC-B. Select the FastEthernet tab on the left and add the IP address of 192.168.1.2 and subnet mask of 255.255.255.0. Close the PC-B configuration window.
e) Click on PC2.
f) Select the Config tab. Change the PC Display Name to PC-C. Select the FastEthernet tab on the left and add the IP address of 192.168.1.3 and subnet mask of 255.255.255.0. Close the PC-C configuration window.
Step 3: Observe the flow of data from PC-A to PC-C by creating network traffic.
a) Switch to Simulation Mode by selecting the tab that is partially hidden behind the Real Time tab in the bottom right-hand corner. The tab has the icon of a stopwatch on it.
b) Click the Edit Filter button in the Edit List Filter area. In the event list filter, click on All/None to deselect every filter. Select just the ARP and ICMP filters.
c) Select a Simple PDU by clicking the closed envelope on the right vertical toolbar. Move your cursor to the display area of your screen. Click on PC-A to establish the source. Move your cursor to PC-C and click to establish the destination.
**Notice that two envelopes are now positioned beside PC-A. One envelop is ICMP, while the other is ARP. The Event List in the Simulation Panel will identify exactly which envelop represents ICMP and which represents ARP.
d) Select Auto Capture / Play from the Play Controls area of the Simulation Panel. Below the Auto / Capture button is a horizontal bar, with a vertical button that controls the speed of the simulation. Dragging the button to the right will speed up the simulation, while dragging is to the left will slow down the simulation.
e) The animation will run until the message no more events appears. All requested events have been completed. Select OK to close the message box.
f) Choose the Reset Simulation button in the Simulation Panel. Notice that the ARP envelop is no longer present. This has reset the simulation but has not cleared any configuration changes or dynamic table entries, such as ARP table entries. The ARP request is not necessary to complete the ping because PC-A already has the MAC address in the ARP table.
g) Choose the Capture / Forward button. The ICMP envelop will moved from the source to the hub and stop. The Capture / Forward button allows you to move the simulation one step at a time. Continue selecting the capture/forward button until you complete the event.
h) Choose the Power Cycle Device button on the bottom left, above the device icons.
i) An error message will appear asking you to confirm reset. Choose Yes. Now both the ICMP and ARP envelops are present again. The Reset Network will clear any configuration changes not saved and will clear all dynamic table entries, such as the ARP and MAC table entries.
Step 4: View ARP Tables on each PC.
a) Choose the Auto Capture / Play button to repopulate the ARP table on the PCs. Click OK when the completed message appears.
b) Select the magnifying glass on the right vertical tool bar.
c) Click on PC-A. The ARP table for PC-A will appear. Notice that PC-A does have an ARP entry for PC-C. View the ARP tables for PC-B and PC-C as well. Close all ARP table windows.
d) Click the select tool on the right vertical tool bar. (this is the first icon present in the toolbar)
e) Click on PC-A and select the Desktop tab.
f) Select the Command Prompt and type the command arp -a and hit enter to view the ARP table from the desktop view. Close the PC-A configuration window.
g) Examine the ARP tables for PC-B and PC-C.
h) Close the Command Prompt window.
i) Click check results to verify that the topology is correct.
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