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Submitted by msameer on Fri, 10/06/2005 - 1:10pm

home.foolab.org:

ssh www.itsyn.com
ssh: connect to host www.itsyn.com port 22: No route to host

traceroute www.itsyn.com
traceroute to www.itsyn.com (212.103.170.134), 30 hops max, 38 byte packets
1  10.1.1.1 (10.1.1.1)  3.065 ms  1.308 ms  1.188 ms
2  host-81.10.17.93.tedata.net (81.10.17.93)  2.400 ms  1.235 ms  1.100 ms
3  MAADI2R001 (163.121.138.8)  756.875 ms  440.367 ms  103.772 ms
4  JuniRam1 (163.121.128.221)  138.137 ms  72.009 ms  72.520 ms
5  JuniRam2 (163.121.128.214)  71.333 ms  70.801 ms  72.569 ms
6  host-163.121.139.130.tedata.net (163.121.139.130)  75.326 ms  76.512 ms  75.863 ms
7  172.16.17.202 (172.16.17.202)  77.523 ms  123.300 ms  75.780 ms
8  172.16.17.201 (172.16.17.201)  88.009 ms  81.221 ms  71.003 ms
9  172.16.17.202 (172.16.17.202)  507.714 ms  70.687 ms  88.050 ms
10  172.16.17.201 (172.16.17.201)  82.631 ms  641.531 ms  137.562 ms
11  172.16.17.202 (172.16.17.202)  97.509 ms  119.153 ms  100.099 ms
12  172.16.17.201 (172.16.17.201)  87.650 ms  687.793 ms  236.125 ms
13  172.16.17.202 (172.16.17.202)  88.361 ms  83.387 ms  96.197 ms
14  172.16.17.201 (172.16.17.201)  160.346 ms  88.447 ms  96.896 ms
15  172.16.17.202 (172.16.17.202)  93.186 ms  151.743 ms  247.888 ms
16  172.16.17.201 (172.16.17.201)  119.348 ms  236.780 ms  103.089 ms
17  172.16.17.202 (172.16.17.202)  113.551 ms  1003.399 ms  748.572 ms
18  172.16.17.201 (172.16.17.201)  682.985 ms  148.288 ms  191.233 ms
19  172.16.17.202 (172.16.17.202)  113.272 ms  95.967 ms  123.971 ms
20  172.16.17.201 (172.16.17.201)  104.280 ms  127.891 ms  110.218 ms
21  172.16.17.202 (172.16.17.202)  117.725 ms  494.539 ms  720.938 ms
22  172.16.17.201 (172.16.17.201)  716.043 ms  131.063 ms  115.732 ms
23  172.16.17.202 (172.16.17.202)  117.722 ms  124.226 ms  123.835 ms
24  172.16.17.201 (172.16.17.201)  116.144 ms  122.859 ms  216.105 ms
25  172.16.17.202 (172.16.17.202)  152.446 ms  127.401 ms  529.829 ms
26  172.16.17.201 (172.16.17.201)  158.849 ms  392.188 ms  115.703 ms
27  172.16.17.202 (172.16.17.202)  313.664 ms  131.649 ms  122.214 ms
28  172.16.17.201 (172.16.17.201)  123.875 ms  131.111 ms  124.102 ms
29  172.16.17.202 (172.16.17.202)  151.652 ms  127.367 ms  132.470 ms
30  172.16.17.201 (172.16.17.201)  135.680 ms  125.781 ms  488.501 ms

foolab.org:

ssh www.itsyn.com
ssh: connect to host www.itsyn.com port 22: Connection timed out

traceroute www.itsyn.com
traceroute to www.itsyn.com (212.103.170.134), 30 hops max, 38 byte packets
1  up3.linode.com (67.18.92.2)  1.108 ms  0.924 ms  0.862 ms
2  dsr1-1-v1.dllstx2.theplanet.com (12.96.160.9)  0.864 ms  0.785 ms  0.754 ms
3  dist-vlan21.dsr3-1.dllstx3.theplanet.com (70.85.127.65)  1.098 ms  1.238 ms  1.084 ms
4  ae0-0.ibr2.dllstx3.theplanet.com (70.85.127.2)  1.096 ms  1.113 ms  1.546 ms
5  366.ge-6-3-1.cr1.dfw2.us.above.net (216.200.88.138)  1.463 ms  1.318 ms  1.207 ms
6  so-2-0-0.cr2.dca2.us.above.net (64.125.29.10)  29.878 ms so-0-0-0.cr2.dfw2.us.above.net (64.125.28.210)  1.524 ms so-2-0-0.cr2.dca2.us.above.net (64.125.29.10)  29.683 ms
7  so-6-0-0.cr2.lhr3.uk.above.net (64.125.27.166)  101.579 ms so-2-0-0.cr2.dca2.us.above.net (64.125.29.10)  29.820 ms  29.847 ms
8  pos2-0.mpr2.lhr1.uk.above.net (208.184.231.66)  298.898 ms  174.805 ms  206.625 ms
9  pos2-0.mpr2.lhr1.uk.above.net (208.184.231.66)  202.260 ms pos1-0.pr1.lhr1.uk.above.net (208.184.231.74)  101.194 ms pos2-0.mpr2.lhr1.uk.above.net (208.184.231.66)  286.522 ms
10  peer1.ldn1.flagtel.com (195.66.224.146)  104.462 ms  104.643 ms  104.478 ms
11  so-2-2-0.0.cjr02.ldn001.flagtel.com (62.216.128.197)  104.708 ms  135.479 ms  108.255 ms
12  ge-2-0-1.0.cjr01.ldn001.flagtel.com (62.216.129.45)  105.252 ms  105.116 ms  105.212 ms
13  ge-2-0-1.0.cjr01.ldn001.flagtel.com (62.216.129.45)  104.995 ms  105.197 ms so-0-3-0.0.cjr01.alx001.flagtel.com (62.216.128.138)  176.885 ms
14  so-0-3-0.0.cjr01.alx001.flagtel.com (62.216.128.138)  175.384 ms so-1-2-3.0.ejr02.cai001.flagtel.com (62.216.128.166)  342.601 ms  325.123 ms
15  so-1-2-3.0.ejr02.cai001.flagtel.com (62.216.128.166)  331.381 ms ge-1-0-0.0.ejr01.cai001.flagtel.com (62.216.133.21)  327.773 ms  331.437 ms
16  62.216.146.98 (62.216.146.98)  337.869 ms  372.597 ms ge-1-0-0.0.ejr01.cai001.flagtel.com (62.216.133.21)  356.279 ms
17  62.216.146.98 (62.216.146.98)  363.495 ms JuniRam2 (163.121.128.214)  375.255 ms  333.655 ms
18  host-163.121.139.130.tedata.net (163.121.139.130)  340.990 ms JuniRam2 (163.121.128.214)  353.290 ms host-163.121.139.130.tedata.net (163.121.139.130)  352.204 ms
19  host-163.121.139.130.tedata.net (163.121.139.130)  361.327 ms * *
20  * * *
21  * * *
22  * * *
23  * * *
24  * * *
25  * * *
26  * * *
27  * * *
28  * * *
29  * * *
30  * * *

Comments

Submitted by Tw33Ty (not verified) on Sun, 12/06/2005 - 12:08am

i think the proplem not from TEData, even google cache and a cgi proxy cannot reach to this eb site
http://64.233.187.104/search?q=cache:0IWirPbZM1YJ:www.itsyn.com/+&hl=en&client=firefox-a
http://anonymouse.ws/cgi-bin/anon-www.cgi/http://www.itsyn.com

Submitted by ezabi@eglug.org on Sun, 12/06/2005 - 2:49pm

But what you can see in the traceroute output is a clear example of a famous routing loop due to a misconfiguration in one of the routers, mostly the 172.16.17.201

As for the second result I think it happened at a later time, the tedata router in ramsis knew a valid route to the host, but the host was down by then.

So don't blame it on tedata, blame it on whomever configured this 172.16.17.201

Anyway you know who got the final blame ;)

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