CSE3213_03_LayeredArchitectureW2012 1.8

CSE3213_03_LayeredArchitectureW2012 1.8 - IP Utilities...

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36 IP Utilities (cont.) Traceroute Origin UNIX utility, but nearly all platforms have something similar Windows utility is called tracert you can run tracert from MS-Dos Window, by entering tracert followed by domain name, e.g. tracert www.cs.yourku.ca tracert & traceroute have different implementation ! Traceroute Use traceroute is generally used: (1) as network debugging tool by pinpointing network connectivity problems (2) for identifying IP addresses Example [ traceroute ] If you are visiting a Web site and pages are appearing slowly, you can use traceroute to figure out where the longest delay(s) are occurring.
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37 IP Utilities (cont.) Example [ traceroute www.bbc.co.uk ]
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38 IP Utilities (cont.) Example [ traceroute www.comm.utoronto.ca ] Tracing route to www.comm.utoronto.ca [128.100.11.60] over a maximum of 30 hops: 1 1 ms <10 ms <10 ms 192.168.2.1 2 3 ms 3 ms 3 ms 10.202.128.1 3 4 ms 3 ms 3 ms gw04.ym.phub.net.cable.rogers.com [66.185.83.142] 4 * * * Request timed out. 5
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CSE3213_03_LayeredArchitectureW2012 1.8 - IP Utilities...

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