Assignment Networks 4

Question # 40030
  • Computer Science
    4 months ago
    $40
    4 months ago

    Sindre8


    Assignment Networks 4

     

     

    Overview

    There are two parts to the assignment.

    Part I, Packet Tracer, is detailed on pages 2-3.

    Part II, network tools ping and tracert, is detailed on page 4.

     

    Submit

    The following is required:

    A working Packet Tracer file for the given topology in Part I. The Packet Tracer file must be uploaded to Moodle.

    A single assignment report (Word or PDF) with the required details for Part I and Part II. This report must be uploaded to Moodle and a hard copy submitted.

     

    Submission Deadline

    The deadline for submission of the Packet Tracer file and the assignment report is 5pm on Wednesday the 15th of November. Note that penalties will apply for late submission of work for assessment. The penalties are detailed under Late Submission of Work for Assessment in the AIT Student Handbook, which is available at https://www.ait.ie/student-supports/student-handbook .

     

     

               

    PART I

    A network topology is given on page 3. Specifications about the topology are as follows:

    Region 1 oRouters: R0, R1 and R2

    Region 2 oRouters: R3, R4 and R5

            •     Hardware

    1841 routers with WIC-2T serial interface WAN modules.

    Generic PCs connected with copper cross-over cables to the routers.

    Routing configuration oRIPv2 routing in Region 1. oOSPF routing in Region 2. oStatic routing between Region 1 and Region 2.

    Requirements

    Build the topology in Packet Tracer and configure it for the given specifications and IP addresses. 

    Full connectivity between all devices in the topology.

    Submit

    Packet Tracer file for the given topology.

    In the assignment report include the following: 

    The final routing tables for each router.

    A clear explanation of how RIP is used to build the routing tables in Region 1. Examples of RIP messages with a detailed explanation should be included to support your answer. 

    Make a change to the topology (e.g. remove a WAN link) and detail how RIP messages are generated to update the routing tables to reflect the change in topology made. Include the updated routing tables in the report. Examples of RIP messages generated as a result of the topology change should also be included to support your answer.

    A clear explanation of how OSPF is used to build the routing tables in Region 2. Examples of OSPF messages with a detailed explanation should be included to support your answer.

    Make a change to the topology (g. remove a WAN link or change the bandwidth) and detail how OSPF messages are generated to update the routing tables to reflect the change in topology made. Include the updated routing tables in the report. Examples of OSPF messages generated as a result of the topology change should also be included to support your answer.

    What is the number of static routes needed in the topology? A list of all static routes used with an explanation of why they are configured should be provided.

    What are the passive interfaces configured in the topology? Why are these interfaces configured as passive interfaces?

                   

     

     

     

                   

    PART II

    Compare round-trip-times reported by ping to the number of hops reported by tracert (trace-route) for a set of twenty different Internet locations. Ensure that the packet size used for ping and tracert is the same.

    Requirements

    Use ping to measure the round trip times (RTTs) to twenty different Internet locations. Of interest is the average RTT reported by ping to each of the twenty locations. Choose Internet locations that are spread geographically around the world.

    Use tracert to record the number of hops to the same twenty Internet locations used for the RTT measurements using ping.Ensure that the packet size used for ping and tracert is the same.

    Note that some locations block incoming ping and tracert probes. Ensure that you find twenty locations that respond to the ping and tracert commands.

    Submit

    In the assignment report include

    A table of the observed ping average RTT results and tracert hop count results to the twenty Internet locations.

    A graphical representation of your results.

    A discussion, based on your results, as to whether or not there is a correlation between a longer delay (as indicated by the RTT) and a higher hop count. Support your answer with evidence from your ping and tracert results. 

    Discuss whether or not your findings in 3 above agree with what you expected regarding correlation between RTT and hop count.

    Comment on whether it is important to run ping and tracert to a particular location in quick succession, or does it matter if a period of time elapses between running the ping and the tracert. Provide evidence to support your answer.

     

     

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