Week 1 Guided Practice 2 - Set up Physical Network OL

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ECPI University, Manassas *

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Jan 9, 2024

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Introduction to Routing and Switching Lab Week 1: Set Up a Physical Network In this guided practice you will be setting up and programming three routers and three switches using Packet Tracer. In Packet Tracer you will need to switch to the physical tab (at the top left of the screen) and then drill down to Home city, corporate office, and main wiring closet. You will be programming the following network in the physical tab of Packet Tracer. You will see an empty rack on the left side, two tables, and then a rack with your “Internet” network. Zoom into your network and scroll down until you see the rack on the left and the table on the right as shown below.
Go to the routers and click and drag three 4321 router onto the rack. Then click on the switches and drag three 2960 switches onto your rack and place them as show below. Now turn off your routers and place a NIM-2T and a NIM-Cover into the left and right slots on the router. Turn the router back on. Do the same thing for each router. Next go to the PC and drag four PCs over to your table. There will be a yellow block that appear when your PC is in the proper place. Put two on top of the table on two under the table. You will also place a server into the rack below the routers and switches.
Your finished setup should look like the screen below. On the far-right side of the system, you will see a separate rack with your “Internet” router, switch and server. You will be using this in the lab to connect your network to the Internet. You are now ready to continue to Task 1.
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Task 1 – Wiring your network Your network should have three routers, three switches, a server, and four PCs which we are going to wire together into a network. We will also connect the first PC into the console ports of the routers and switches and program a hostname onto each. First, we will wire the routers together using serial (HSSI) cables. This allows your routers to send packets between each network and will allow the local area networks to connect together in a wide area network. Using serial cables find the DCE side of the cables. Plug the DCE side of the cable into the left side of the serial card on the router. Go to the second router and plug the other side of the cable to the right side of that serial card.
Do the same thing from router two to router three. Finally, plug from the left side of router 3 back to the right side of router 1.
This will give you a loop through each of your routers and will allow the network to keep working even if one of your serial circuits fails. Next, we will connect a straight through Ethernet cable from the second router’s port G0/0/0 to the top switch. The routers have three ports in the middle of the system which are labeled G0/0/0 and G0/0/1. These are the two programmable gigabit Ethernet ports which you will be using to build your LAN network. The third port, on the right, is for fiber optics and requires a plug-in module to work. Plug your Ethernet cable into the bottom port labeled G0/0/0. On your switch there are 24 Ethernet ports and two gigabit Ethernet ports on the right-hand side. We’re going to plug the other end of our Ethernet cable into the first Gigabit port on the right side. Next you are going to wire from your switch’s second gigabit Ethernet port to the second switch’s gigabit port thus wiring the two switches together. Finally plug from your third router into the third switch. When you are complete it should look like the diagram below.
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Now you are going to wire from your console port on your first router to the serial port (RS232) port on your PC. Locate the serial port on your PC. Plug the cable that looks like the one on the right into the serial port. Next you will connect the Ethernet side of the console cable to the console port on your first router.
Wire up each of your PCs into the switches using straight through cables as shown in the table below. Syste m Switc h Port PC1 Sw1 F0/1 PC2 Sw1 F0/12 PC3 Sw2 F0/1 PC4 Sw2 F0/12 Server Sw3 F0/1 Now run a straight through Ethernet cable from your first router port G0/0/0 to the “CSU-DSU” at the top of the far-right rack. This is your network’s “Internet” connection. Your network should now be wired and ready to be programmed. (see below)
Deliverables for Task 1 Screenshot of your wired network.
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Task 2 – Setting up your network We are going to use the console cable you connected from your router to the PC to program the router. First, we need to connect to the router. Open the PC, go to Desktop, and click on terminal. Click on the OK button.
You should now see information coming to you from the router. If you see the following screen, it means your router has not yet been programmed. Simply type no and press the enter key. The router will now drop you out to a user mode command prompt which is indicated by a > after the name of the router. If there is no programming on your system, it will show up as Router> otherwise it will show up with the name of the router and a > character. Type the command enable at the prompt to drop into privileged mode so you can program the router. This mode is indicated by a # symbol after the router name. You are now going to program the router names so they will reflect your student number and R1 thru R3. From your command prompt type configure terminal which will drop you into configuration mode.
Now change the name of your router by typing hostname <studentID>-R1 which will change the name on your system. Type the command exit to switch back out of configuration mode back to privileged mode. Type an enter key to bring up the privileged mode prompt. Do the same for the other two routers with the names <studentID>-R2 and <studentID>-R3 . Notice that now your system name has been changed to the new router name you typed in. Do the same for each of your other routers and switches by moving the console cable, reopening the terminal window and changing the name of the routers and switches. Or you can wire a console cable from each of your PCs into a different router or switch (this can get confusing though so be careful). Finally, we’re going to turn on the G0/0/0, S0/1/0, and S0/1/1 ports, so we get green lights from the routers and switches. Open your terminals and type the following commands on each router. Take a screenshot of each router showing the interfaces turned on and the new name for your router. You will see the light on the router will turn green and the light on the switch will turn orange. After a few minutes the light will turn green on the switch signifying the router is now talking to the switch successfully.
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Change to your switch console port (it is on the back of the switch) and open your terminal, the same way you did for the router. You will need to right click on the switch and select inspect rear and connect the cable to the rear console port. Go into your terminal and type configure terminal again Go into your PC and open a terminal which is now connected to your switch. Press the enter key to “wake up” your switch. You should now see the command prompt. Type enable just the way you did on your router and it should switch to privileged mode on your switch. You are now going to program the switch name so it will reflect your student number and Sw1. From your command prompt type configure terminal which will drop you into configuration mode.
Configure each of the other switches with their hostname. Your network is now wired and ready to be programmed to communicate. Take a screenshot of each switch with the new hostname. Deliverables for Task 2 Screenshots of routers with new hostnames and interfaces started.
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Screenshots of switches with their new host names.
Task 3 – Programming your network You will now be setting up your network to talk locally on the LAN and over the Internet using the connection to the CSU-DSU you connected to in the last task. Below is the table for all LAN network connections. Any time you see a ___ replace it on the table with your student number. Anywhere you see a ### you will need to replace with the correct numbers for your network. System Port Connect To IP address Subnet Mask Users <sidkol5986>-R1 G0/0/0 CSU-DSU 11.0.0.83 255.255.255.0 S0/1/0 R2 172.16.83.1 255.255.255.224 2 S0/1/1 R3 172.16.83.33 255.255.255.224 2 < sidkol5986 >-R2 G0/0/0.10 Sw1 192.168.83.1 255.255.255.224 20 G0/0/0.20 Sw1 192.168.83.33 255.255.255.224 20 S0/1/0 R3 172.16.83.65 255.255.255.224 2 S0/1/1 R1 172.16.83.97 255.255.255.224 2 < sidkol5986 >-R3 G0/0/0 Sw3 192.168.83.129 255.255.255.224 20
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S0/1/0 R1 172.16.83.161 255.255.255.224 2 S0/1/1 R2 172.16.83.193 255.255.255.224 2 Program each of the interfaces on the routers as shown above. (see table above) R1 R2
R3 Now you will program switch 1 and 2 to have VLANs so it can communicate with the R2 router. Program the VLANs into each switch with the following commands. Now program DHCP pools into the R2 router so your PCs and pull an IP address from the router. Type the following into the R2 router. Remember to replace the ### with your subnet mask for that student.
Go into each of your PCs and switch them from static to DHCP in the IP configuration tab of your desktop. Finally, you need to program your server for the network on the R3 router. Go into your IP configuration and program a network IP address into the server. Ping from PC1 to the server and take a screenshot of your ping. Was it successful? Why or why not.
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_____________________________________________________________________________________ _____________________________________________________________________________________ ____________________________________________________________________________________ Deliverables for Task 3 Screenshot of your ping from PC1 to the server Answer question about ping from PC1 to the server: Ping from PC1 to the server and take a screenshot of your ping. Was it successful? Why or why not. This indicates that there is connectivity between the source and destination devices, and the network is functioning as expected. I gave it my network the ip 192.168.83.35
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Task 4 – Static Routing In order for static routing to work we must put in a static route into each router. This tells the router what to do with each packet that is not in the routing table. First let’s go into the R1 router and pull the routing table using the command show ip route . This will show you the networks that have been programmed in locally to your system. In order to create a static route to the R2 router we’re going to use the command (note the space between the fourth and fifth zero). On R1: ip route 0.0.0.0 0.0.0.0 172.16.83.2 This is a default route that you will configure on R1 that points to R2. This tells the router any time you have a packet that is not in your routing table you should send it on to the IP address on the R2 router (172.16.___.2). Note that you are telling the R1 router to send to the ip address of the R2 router. You will also need to go into the R2 and R3 routers and place a similar command where the IP address is the connection point on the other router. You will want R2 to point to the R3 router and R3 point to the R1 router. On R2: ip route 0.0.0.0 0.0.0.0 172.16.83.66 This is a default route that you will configure on R2 that points to R3. On R3: ip route 0.0.0.0 0.0.0.0 172.16.83.162 This is a default route that you will configure on R3 that points to R1. After you have completed these commands attempt to ping from PC1 to the server again. Take a screenshot. Lastly, we’re going to add the RIP protocol to the R1 router so it can talk to the Internet.
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router rip version 2 network 11.0.0.0 You should now be able to ping the internet from any of your PCs by typing ping 11.1.1.10 Take a screenshot of your successful ping. Go to your R1 router and pull a routing table by typing show ip route . Take a screenshot. Deliverables for Task 4 Screenshot of your ping from PC1 to the server Screenshot of your ping from PC1 to the Internet
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Screenshot of your show ip route table from the R1 router.
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