CSCO 220 Modules 1 & 2 Lab Packet-OSPF with Questions

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Dec 6, 2023

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Module 1: Single-Area OSPF Concepts Module 2: Single-Area OSPF Configuration For some of this packet you will need to have access to your account on the Netacad website . Grading Rubric Your Score Packet complete, answers correct, submitted on-time. 4 Packet complete, answers mostly correct, submitted on-time. 3 Packet mostly complete, answers mostly correct, submitted on-time. 2 Packet mostly complete, answers mostly correct, submitted late. 1 For the Packet Tracer exercises located below, go to the Netacad link, click on it and go to the module this lab packet applies to. Click on the section where the Packet Tracer activity is located, download the Packet Tracer activity and follow the instructions included with the Packet Tracer activity Perform any Netlab assignments listed below, be sure to post your answers in RED Follow along in the PT assignments and post your answers to the questions in RED Post a Packet Tracer screen shot ONLY of the name of the lab and the completion score (not the network or anything else unless requested). Make the screenshot the size of the page so I can easily read it using my grading software Packet Tracer 2.2.13-Point-to Point Single-Area OSPFv2 Configuration. Post a screenshot of the completion screen below, make it the width of the page and answer the questions in RED. How many statements are required to configure OSPF to route all the networks attached to router R1? © 2023 Cisco and/or its affiliates. All rights reserved. This document is Cisco Public. Page 1 of 8 CSCO 220
Three The LAN attached to router R1 has a /24 mask. What is the equivalent of this mask in dotted decimal representation? 255.255.255.0 Subtract the dotted decimal subnet mask from 255.255.255.255. What is the result? 0.0.0.255 What is the dotted decimal equivalent of the /30 subnet mask? 255.255.255.252 Subtract the dotted decimal representation of the /30 mask from 255.255.255.255. What is the result? 0.0.0.3 Which interfaces on R3 should be configured with OSPF? G0/0/0, S0/1/0, and S0/1/1 Which interfaces on R1, R2, and R3 are a LAN interfaces? G0/0/0 on all three routers Use show commands to verify the network and passive interface configuration of the OSPF process on each router (post output): Packet Tracer 2.3.11-Determine the BR and BDR. Post a screenshot of the completion screen below, make it the width of the page. Answer the questions in RED. Which router is the DR? RC Which router is the BDR? RB What is the OSPF state of router RA? DROTHER According to the debug output, which router was elected DR and which router was elected BDR? RB is now DR and RA is now BDR. © 2023 Cisco and/or its affiliates. All rights reserved. This document is Cisco Public. Page 2 of 8
Did DR and BDR roles change? Explain. No, because OSPF does not update the DR/BDR when the existing ones are active. According to the debug output on RA , which router was elected DR and which router was elected BDR? RC is now BDR and RA is now DR. RA was the BDR, when the DR failed (RB) it became the DR. Wait for the new DR/BDR elections to occur. Did DR and BDR roles change? Explain No, roles did not change because the current DR and BDR are still active. A router that comes online with a higher router ID will not assume the BDR role until the BDR fails. What is the status of router RC now? BDR According to output from the show ip ospf neighbor command on the routers, which router is now DR and which router is now BDR? RA is now DR and RB is now BDR. Packet Tracer 2.4.11-Modify Single-Area OSPFv2. Post a screenshot of the completion screen below, make it the width of the page. Packet Tracer 2.5.3-Propigate a Default Route in OSPFv2 Post a screenshot of the completion screen below, make it the width of the page and answer the questions in RED. © 2023 Cisco and/or its affiliates. All rights reserved. This document is Cisco Public. Page 3 of 8
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