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Joined: 23 Jan 2003
Posts: 256
Location: India
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 Posted: Thu Nov 17, 2005 6:15 am Post subject: How to Traceroute |
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Traceroute is very helpfull for system administrators to find problem with network and servers.
What is a traceroute?
A traceroute verifies the route that data travels across the internet. It is used as a diagnostic tool to find the location of a possible network breakdown. If you are having problems accessing your website or with email, a quick traceroute can verify the source of the problem.
Traceroute From Windows PC
The Windows tracert.exe program uses 92 byte ICMP packets to conduct its trace. Sadly this is virtually identical to the still-virulent Nachi Worm and this type of packet is specifically blocked by routers.
To use tracert.exe on Windows Computer, go to DOS Prompt
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Start > Run > command
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Then run tracert with domain name or IP as parameter
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c:\> tracert flashwebhost.com
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Here is a sample traceroute to domain bizhat.com
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C:\> tracert bizhat.com
Tracing route to bizhat.com [65.98.61.140]
over a maximum of 30 hops:
1 359 ms 280 ms 839 ms 97.238.1.6
2 319 ms 339 ms 672 ms 97.238.2.1
3 1280 ms 398 ms 260 ms 202.138.101.57
4 459 ms 599 ms 599 ms 220.224.184.178
5 479 ms 479 ms 480 ms 62.216.145.221
6 800 ms 639 ms 640 ms so-1-1-0.0.cjr01.nyc007.flagtel.com [62.216.128.49]
7 477 ms 499 ms 580 ms so-1-0-0.0.ejr01.nyc006.flagtel.com [62.216.128.102]
8 * * * Request timed out.
9 461 ms 460 ms 459 ms 401.xe-4-0-0.cr1.ewr1.us.nlayer.net [69.31.94.73]
10 619 ms 459 ms 499 ms pwebtech.0.ge-2-1-0.cr1.ewr1.us.nlayer.net [69.31.95.82]
11 659 ms 458 ms 619 ms 69.57.170.7
12 1867 ms 490 ms 700 ms 65.98.61.140
Trace complete.
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Traceroute From Linux
In Linux/FreeBSD the command for traceroute is "traceroute"
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server20# traceroute bizhat.com
traceroute to bizhat.com (65.98.61.140), 64 hops max, 40 byte packets
1 81.192.36.72.reverse.layeredtech.com (72.36.192.81) 0.521 ms 0.465 ms 0.465 ms
2 10.1.5.1 (10.1.5.1) 0.583 ms 0.616 ms 0.666 ms
3 216.39.79.41 (216.39.79.41) 0.474 ms 0.625 ms 0.495 ms
4 216.39.64.25 (216.39.64.25) 0.438 ms 0.501 ms 0.459 ms
5 bcs2-so-3-2-0.Dallas.savvis.net (208.172.131.85) 1.453 ms 1.249 ms 1.318 ms
6 dcr2-so-6-0-0.Atlanta.savvis.net (204.70.192.69) 21.385 ms 21.763 ms 21.728 ms
7 bcs2-so-1-2-0.Washington.savvis.net (204.70.192.62) 35.145 ms 35.159 ms 35.264 ms
8 bcs2-so-2-0-0.NewYork.savvis.net (204.70.192.2) 39.047 ms 39.296 ms 39.149 ms
9 dcr3-so-1-1-0.NewYork.savvis.net (204.70.192.209) 39.680 ms dcr4-so-0-1-0.NewYork.savvis.net (204.70.192.205) 39.740 ms dcr4-so-1-1-0.NewYork.savvis.net (204.70.192.213) 39.687 ms
10 aer1-po10.NewYork.savvis.net (208.174.228.10) 53.566 ms 149.658 ms aer1-po20.NewYork.savvis.net (208.174.228.22) 206.033 ms
11 fortressitx.NewYork.savvis.net (206.24.195.134) 39.296 ms 39.540 ms 39.242 ms
12 65.98.0.133 (65.98.0.133) 39.319 ms 39.474 ms 39.446 ms
13 69.57.170.7 (69.57.170.7) 39.808 ms 39.957 ms 39.958 ms
14 65.98.61.140 (65.98.61.140) 39.818 ms 39.967 ms 39.968 ms
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Traceroute From Internet
You can traceroute from various locations on the world through traceroute programs made available on web by various ISP's and organisations.
You can find a list of traceroute servers at
http://traceroute.org
Traceroute from various Indian ISP
http://traceroute.org/#India
Traceroute from various USA ISP
http://traceroute.org/#USA
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