Networking Question

Computer Science

Computer networking

Question Description

Hello!

I have an assignment for my networking class.

I will attach three files in the question.

One will be the Assignment sheet with all the questions.

The second will be the Answers sheet where all the answers will be recorded into.

The third will be a Packet Tracer file that needs to be used for the assignment.

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NET 363-501 Lab #1 – A Simple Network ANSWERS DOCUMENT Due Thursday, January 28th, 2021 by 11:59 pm Your Name: You should read the Lab #1 Assignment Document before reading this one. You can type your answers into this document or create a separate one. After completing all answers, you should convert to PDF before submitting this document on D2L. 1. IP Subnets In the table below, fill in the network address, prefix length, total size and range of valid (assignable) IP addresses for each of the 3 subnets in the network diagram. Table #1: IP Subnets Subnet Name Network Address Prefix Length (/n) Size = 2[32-n] First Assignable IP in Subnet Last Assignable IP in Subnet LA Subnet NY Subnet Serial Link 2. IP Addresses Now, enter the IP address and subnet mask information from the network diagram for each interface into the table below. Table #2: Interface IP Addresses Device Interface Host 1 LA Router (R1) LA Router (R1) NY Router (R2) NY Router (R2) Host 2 LA Switch (S1) NY Switch (S2) Fa0 Fa0/0 S0/2/0 Fa0/0 S0/2/0 Fa0 VLAN1 SVI VLAN1 SVI Lab #1 Answers IP Address NET 363 Subnet Mask Page 1 3. Lab Screenshots Once you have implemented and tested your network, then follow instructions below to capture and paste the screenshots as specified below. • All screenshots should contain only a single device window (not your entire desktop and not the Packet Tracer network diagram). • Every screenshot must show (a) the command you typed (b) the complete output of that command (if it shows “—More—” at bottom, then you are not showing complete output and you need to hit Space bar to show more before taking screenshot) (c) the next command prompt, showing the device is ready for the next command. • All pings and traceroutes must be successful or you will lost points. Execute commands, paste screenshots and answer questions as instructed below. a. On Host 1, execute a ping to Host 2. Paste screenshot here. b. On Host 1, execute a tracert to Host 2. Paste screenshot here. i. For each IP address in the tracert output, specify the device name and interface with that IP address from Table #2 above. c. On Host 2, execute a tracert to Host 1. Paste screenshot here. d. On Host 1 execute a tracert to 20..2.5. Paste screenshot here. e. On Switch 2 (in NY Subnet) execute a traceroute to 20..1.5. Paste screenshot here. f. On LA Router, execute a ping to Host 2. Paste screenshot here. i. What is the value of the Source IP Address field in the ping packet that is sent by LA Router? g. Paste a screenshot here from Host 1 that shows the MAC address of Host 1’s network interface. h. Paste a screenshot here from LA Router that shows the MAC address of LA Router’s Fa0/0 interface. i. On Host 1, execute a ping to Host 2. Immediately afterwards, on Switch 1 (in LA Subnet) execute a show mac address (or show mac-address) to show the contents of the switch Forwarding Table. Paste screenshot from Switch 1 here. i. Do you see Host 1’s MAC address in this Forwarding Table? If so, which switch interface is it associated with? ii. Do you see the LA Router interface Fa0/0 MAC address in this Forwarding Table? If so, which switch interface is it associated with? j. On NY Router (R2) execute a show ip route. Paste screenshot here. Lab #1 Answers NET 363 Page 2 i. Do you see the NY Subnet (20..2.0/26) in this routing table? Which type of route (Connected or Static) is it? ii. Do you see the LA Subnet (20..1.0/28) in this routing table? Which type of route (Connected or Static) is it? k. On LA Router (R1), execute show ip route. Paste screenshot here. i. Do you see the NY Subnet (20..2.0/26) in this routing table? Which type of route (Connected or Static) is it? ii. Do you see the LA Subnet (20..1.0/28) in this routing table? Which type of route (Connected or Static) is it? That’s it! When this answer file is complete, then save it as PDF and review the resulting file to ensure that all tables and screenshots are readable (without zooming in). In Packet Tracer, click “File” and “Save As” and save your configured lab as a .pkt file. You should submit two files on D2L: 1. This Lab #1 Answers file, with all answers completed and saved as PDF. 2. A copy of your configured Lab 1 .pkt file, saved from Packet Tracer. Lab #1 Answers NET 363 Page 3 NET 363-501 Lab #1 - A Simple Network ASSIGNMENT DOCUMENT (V1.1 Jan. 14, 2021) Due Thursday, January 28th, 2021 by 11:59 pm Introduction You implement this lab on Cisco Packet Tracer, starting with the file NET363-Lab1.pkt. There is also a Lab #1 Answers Document that you should edit and submit for this assignment (after converting to PDF). Before you do anything on Packet Tracer you should do the following: 1. Read this Assignment Document completely. 2. Examine and understand the network diagram. 3. Type information about each of the subnets in the network diagram into Table #1 in your Answers document. 4. Type IP address information shown in the network diagram into Table #2 in your Answers document. If you want me to check your values in Tables #1 and #2 before you implement the lab, you can e-mail them to me and I will check them and respond within 24 hours. The Lab #1 Network Diagram is below – where represents your student number (for example, if my is 99, then Host 1 IP address is 20.99.1.10). The subnet mask for all device interfaces should match the ‘/n’ prefix lengths in subnet IDs. LA Subnet 20..1.0/28 .1 Fa0/1 Switch 1 VLAN1 SVI: 20..1.5 NY Router (R2) Serial Link Subnet 53.19.122.16/30 .17 Fa0/0 Fa0/2 S0/2/0 LA Router (R1) NY Subnet 20..2.0/26 .18 Serial Link 4 Mbps S0/2/0 DCE .1 Fa0/0 Fa0/1 .10 Switch 2 VLAN1 SVI: 20..2.5 Host 1 20..1.10 Fa0/2 .10 Host 2 20..2.10 Lab #1 Network Diagram Lab Implementation In Lab #1 you will implement a simple network between New York (NY) and Los Angeles (LA) sites, as shown in the Network Diagram. This network has 3 IP subnets (LA Subnet LAN, NY Subnet LAN and the inter-router serial link subnet). Equipment consists of 2 Hosts 2 routers, and 2 switches. NET 363 Lab #1 Assignment Page 1 of 3 Follow these steps to implement the lab network: 1. Plan your configurations and fill out Tables #1 and #2 in Answers. 2. Connect cables between device interfaces as indicated in the diagram. On PT, select each cable at bottom left (copper straight-through or Serial cable) and then click each device to connect them. Remember that if you pick the serial cable icon with the clock on it, then you must click the NY router (DCE end) first. 3. On the Hosts, set IP address, subnet mask and default gateway address (no DNS address is needed). The value in each IP address on the diagram should match the Student Number document under General Course Documents. 4. On each switch, set the VLAN1 SVI IP address, subnet mask and default gateway address. 5. Set the Host Name on each router and switch to be the device name followed by your initials (first and last name). For example, if my initials are “GB”, then on the NY Router (R2) I could execute the command “hostname NY_Router_GB” in global configuration mode. 6. Configure the IP address and subnet mask on each router interface according to Table #2. Execute “no shutdown” on each interface. 7. Enter a “clock rate” command on the DCE serial interface to set its speed to 4 Mbps. 8. Test each 1-hop Link at Layers 1, 2 and 3 as follows: a. Layer 1 test: check for green lights on router and switch interfaces where each cable is connected. Note that switch interfaces may take 30 seconds or more to go green (due to Spanning Tree Protocol – discussed later). Just wait until they are green. Router interfaces that don’t go green may be in shutdown. b. Layer 2 test: on routers, execute “show ip interface brief” command and verify that the line protocol is “up” c. Layer 3 test: ping between devices that are on same subnet. For example, ping from Host 1 to LA Router, ping from Host 1 to LA Switch, ping from LA Router to NY Router, ping from NY Router to Host 2, etc). On switches, ping to other devices on same LAN. 9. On each of the 2 routers, in global configuration mode, execute this command: ip route 0.0.0.0 0.0.0.0 s0/2/0 This will create a default route in the routing table. 10. Execute show ip route on each router and verify that its routing table contains the following 3 routes: NET 363 Lab #1 Assignment Page 2 of 3 a. A connected (“C”) route to its local LAN subnet with outgoing interface Fa0/0. b. A connected (“C”) route to the inter-router serial link subnet with outgoing interface S0/2/0. c. A default static route (“S”) with outgoing interface S0/2/0. 11. Test pings and traceroutes end-to-end between all devices. They should all be successful. If any fail, then go back and look for any errors and fix them. If you cannot fix the errors, then save your Packet Tracer .PKT file and send it to me in an e-mail for help. 12. Answer questions and copy/paste screenshots into Lab #1 Answers document Part 3. Other Useful notes: You may see “domain lookup errors” or delays if you mis-type commands. You can stop these messages and speed up outputs by entering the following command at the global config prompt on any switch or router: no ip domain lookup If you ever need to interrupt whatever the router/switch is doing and get back to command prompt immediately – type Ctrl/Shift/6. If your command output is too long to fit on one screen, then the CLI will pause and show “—More—” at the bottom of the screen. In this case, you can do the following: - Press Enter key to show 1 more line of output - Press Space bar to show 1 more screen of output - Press q (the letter “Q” on keyboard) to go back to command prompt NET 363 Lab #1 Assignment Page 3 of 3 ...
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