Changes between Version 19 and Version 20 of GENIEducation/SampleAssignments/TcpAssignment/ExerciseLayout/Execute


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Timestamp:
12/09/13 19:49:51 (6 years ago)
Author:
sedwards@bbn.com
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  • GENIEducation/SampleAssignments/TcpAssignment/ExerciseLayout/Execute

    v19 v20  
    7878 The tc command will then be used to set up network conditions for observation and testing. For example, if eth1 is the physical interface representing the link L on the Center node, the following command on the Center node will add a 200 ms delay to all packets leaving the interface:
    7979{{{
    80 sudo /sbin/tc qdisc change dev eth1 root handle 1:0 netem delay 200ms
     80sudo /sbin/tc qdisc add dev eth1 root handle 1:0 netem delay 200ms
    8181}}}
    8282 Specific network setup commands will be provided as needed. [[BR]]
     
    8787 - 3. Question: Change the delay of interface L to 300 ms using the following command, and run an Iperf session for 1800 seconds.
    8888   {{{
    89    sudo /sbin/tc qdisc change dev L root handle 1:0 netem limit 1000000000 delay 300ms
     89   sudo /sbin/tc qdisc add dev L root handle 1:0 netem limit 1000000000 delay 300ms
    9090   }}}
    9191    What are the goodputs of Reno and CUBIC? Which performed better? What do you conclude?