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Re: Routing Loop

  • From: S. Ryan
  • Date: Sun Mar 16 00:15:49 2008


I see this at 9:10pm PST:


traceroute uu-194-009-082-001.uunet.co.ke
traceroute to uu-194-009-082-001.uunet.co.ke (194.9.82.1), 64 hops max, 40 byte packets
1 64-192-2-193.static.unwiredbb.com (64.192.2.193) 14 ms 15 ms 14 ms
2 64-192-0-253.static.unwiredbb.com (64.192.0.253) 15 ms 14 ms 14 ms
3 so-5-3.ipcolo1.SanFrancisco1.Level3.net (4.78.240.37) 19 ms 28 ms 25 ms
4 so-6-1-0.mp2.SanFrancisco1.Level3.net (4.68.96.145) 25 ms 20 ms 21 ms
5 as-0-0.bbr1.London1.Level3.net (4.68.128.109) 157 ms 157 ms ae-1-0.bbr2.London1.Level3.net (212.187.128.57) 158 ms
6 * ae-14-55.car3.London1.Level3.net (4.68.116.145) 448 ms 289 ms
7 195.50.113.18 (195.50.113.18) 231 ms 318 ms 231 ms
8 217.194.157.226 (217.194.157.226) 754 ms 753 ms 746 ms
9 217.194.157.225 (217.194.157.225) 755 ms 735 ms 730 ms
10 fe2-0-br.nbo.infinet.co.ke (41.207.64.245) 758 ms 744 ms 792 ms
11 ge0-2-pdsn.nbo.infinet.co.ke (41.207.64.254) 772 ms 764 ms 753 ms
12 ge0-1-br.nbo.infinet.co.ke (41.207.64.253) 736 ms 742 ms 776 ms
13 ge0-2-pdsn.nbo.infinet.co.ke (41.207.64.254) 745 ms 752 ms 747 ms
14 ge0-1-br.nbo.infinet.co.ke (41.207.64.253) 746 ms 735 ms 758 ms
15 ge0-2-pdsn.nbo.infinet.co.ke (41.207.64.254) 749 ms 740 ms 753 ms
16 ge0-1-br.nbo.infinet.co.ke (41.207.64.253) 746 ms 737 ms 757 ms
17 ge0-2-pdsn.nbo.infinet.co.ke (41.207.64.254) 740 ms 741 ms 738 ms
18 ge0-1-br.nbo.infinet.co.ke (41.207.64.253) 746 ms 742 ms 737 ms
19 ge0-2-pdsn.nbo.infinet.co.ke (41.207.64.254) 753 ms 771 ms 744 ms
20 ge0-1-br.nbo.infinet.co.ke (41.207.64.253) 735 ms 763 ms 738 ms
21 ge0-2-pdsn.nbo.infinet.co.ke (41.207.64.254) 779 ms 742 ms 819 ms
22 ge0-1-br.nbo.infinet.co.ke (41.207.64.253) 753 ms 768 ms 738 ms
23 ge0-2-pdsn.nbo.infinet.co.ke (41.207.64.254) 764 ms 749 ms 745 ms
24 ge0-1-br.nbo.infinet.co.ke (41.207.64.253) 766 ms 760 ms 761 ms
25 ge0-2-pdsn.nbo.infinet.co.ke (41.207.64.254) 746 ms 743 ms 808 ms
26



Bill Stewart wroteth on 3/15/2008 9:01 PM:
7018 is still seeing announcements from 6461,
and the Oregon Routeviews server route-views.routeviews.org also sees
many announcements
from different ISPs seeing it announced from 6461.

The whois entry for Above.net lists the NOC as
   RTechHandle: NOC41-ORG-ARIN
   RTechName:   AboveNet NOC
   RTechPhone:  +1-877-479-7378
   RTechEmail:  [email protected]xxxxxx



On Sat, Mar 15, 2008 at 1:10 AM, Felix Bako <[email protected]>
wrote to NANOG
 Hello,
 Guyz please try to reach my network 194.9.82.0/24 from your networks.
 Am seeeing routing loops from several looking glasses.
 above.net, Alameda.net. but from traceroute.eu. the block comes down ok.
 Kindly anyone assist.
 --

Best Regards,

 Felix Bako
 Network Engineer
 Africa Online, Kenya
 Tel: +254 (20) 27 92 000
 Fax: +254 (20) 27 100 10
 Email: [email protected]
 Aim:felixbako