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North American Network Operators Group Date Prev | Date Next | Date Index | Thread Index | Author Index | Historical Re: Bad bad routing problems?
In the last few days, it's been advertised, but often withdrawn. Perhaps the timing of the announces and withdrawls will help you: MIT saw it advertised via 1 701 8001 4276: http://bgp.lcs.mit.edu/bgpview.cgi?time=day&prefix=216.223.192.0%2F19&rel=eq&table=updates&action=list PSG (Randy Bush's BGP feed) saw it via 2914 8001 4276: http://bgp.lcs.mit.edu/bgpview.cgi?time=day&prefix=216.223.192.0%2F19&rel=eq&table=ns0_psg_com_updates&action=list Playground.net saw it via 14177 15290 7018 701 8001 4276: http://bgp.lcs.mit.edu/bgpview.cgi?time=day&prefix=216.223.192.0%2F19&rel=eq&table=nortel_ron_lcs_mit_edu_updates&action=list ... and so on. (Change the "table" menu to see a different view) -Dave On Sat, Aug 31, 2002 at 11:25:00AM -0500, Malayter, Christopher mooed: > > I'm not receiving that network at all. > > I looked at our border to sprint, genuity, c&w, PSI, and our AADS peers. > > Sorry to not be of more assistance. > > -Chris > > > -----Original Message----- > From: Mike Tancsa [mailto:[email protected]] > Sent: Saturday, August 31, 2002 11:14 AM > To: Gerald > Cc: [email protected] > Subject: Re: Bad bad routing problems? > > > > > Strange, from my network I see you via GT and via Telus but not via AT&T > > From me (as11647) > BGP routing table entry for 216.223.192.0/19 > Paths: (2 available, best #2, table Default-IP-Routing-Table) > Not advertised to any peer > 852 174 8001 4276 > 209.115.141.1 from 209.115.141.1 (209.115.137.196) > Origin IGP, localpref 100, valid, external > Last update: Sat Aug 31 08:47:55 2002 > > 6539 8001 4276 > 64.7.143.42 from 64.7.143.42 (64.7.143.42) > Origin IGP, localpref 100, valid, internal, best > Community: 6539:30 > Last update: Sat Aug 31 08:47:30 2002 > > > From the AT&T CANADA routeserver (route-server.east.attcanada.com) > AT&T route server > route-server.east>show ip bgp 216.223.192.0/19 > % Network not in table > route-server.east> > > AT&T Canada gets to 8001 via Williams, but I dont see your /19 through them. > > route-server.east>show ip bgp regex _8001_ > BGP table version is 2266132, local router ID is 216.191.65.118 > Status codes: s suppressed, d damped, h history, * valid, > best, i - > internal > Origin codes: i - IGP, e - EGP, ? - incomplete > > Network Next Hop Metric LocPrf Weight Path > *>i12.129.128.0/24 216.191.64.253 80 0 7911 8001 22420 > i > *>i63.74.146.0/23 216.191.64.253 80 0 7911 8001 23368 > i > > > At 10:54 AM 8/31/2002 -0400, Gerald wrote: > > >We are seeing bad routing problems from outside our network. Can anyone > >corroborate this or help? > > > >We are on AS4276 and all traffic from us to our upstream seems good. Great > >way to spend holiday weekend. /me wonders if anyone is even awake on the > >NANOG list. :-) > > > >2 addresses in our network I've tested with are: > > > >216.223.200.14 > >and 216.223.192.68 > > > >Many many traces done, some interesting ones below: > > > >Here is a succesful traceroute: > >traceroute to 216.223.200.14 (216.223.200.14), 30 hops max, 40 byte > > 1 <10 ms <10 ms <10 ms rt1.altair7.com [209.11.155.129] > > 2 <10 ms 15 ms 16 ms 209.10.41.130 > > 3 <10 ms 16 ms 15 ms ge-6-1-0.core1.sjc1.globix.net > [209.10.2.193] > > 4 <10 ms 16 ms 16 ms so-4-2-0.core1.sjc4.globix.net > > [209.10.11.221] > > 5 63 ms 46 ms 47 ms so-1-0-0.core2.cgx2.globix.net > > [209.10.10.150] > > 6 62 ms 63 ms 47 ms so-0-0-0.core1.cgx2.globix.net > > [209.10.10.157] > > 7 78 ms 94 ms 94 ms so-1-0-0.core2.nyc8.globix.net > > [209.10.10.162] > > 8 78 ms 94 ms 94 ms pos15-0.core2.nyc1.globix.net > [209.10.11.169] > > 9 78 ms 94 ms 94 ms s5-0-peer1.nyc3.globix.net [209.10.12.18] > > 10 78 ms 94 ms 94 ms nyiix.peer.nac.net [198.32.160.20] > > 11 78 ms 94 ms 93 ms internetchannel.customer.nac.net > > [209.123.10.34] > > 12 78 ms 94 ms 94 ms auth-2.inch.com [216.223.200.14] > > > > > These show failures before reaching our network: > > > > > > traceroute to 216.223.192.68 (216.223.192.68): 1-30 hops, 38 byte > packets > > > 1 paleagw4.hpl.external.hp.com (192.6.19.2) 1.95 ms 1.95 ms 5.86 ms > > > 2 palgwb01-vbblpa.americas.hp.net (15.243.170.49) 0.976 ms 0.977 ms > > > 0.976 ms > > > 3 svl-edge-15.inet.qwest.net (65.115.64.25) 0.976 ms !H * 0.977 ms > !H > > > 4 * * * > > > 5 * * * > > > > > > > > > > > > traceroute to 216.223.192.68 (216.223.192.68), 30 hops max, 40 byte > > > packets > > > 1 e3-13.foundry1.cs.wisc.edu (198.133.224.116) 2.195 ms 1.754 ms > > > 1.663 ms > > > 2 e15.extreme1.cs.wisc.edu (128.105.1.1) 0.856 ms 0.765 ms 0.737 ms > > > 3 144.92.128.194 (144.92.128.194) 1.550 ms 1.171 ms 1.264 ms > > > 4 * * * > > > 5 * * * > > > > > > All global crossing traces seem to loop within their router: > > > traceroute to 216.223.192.68 (216.223.192.68), 30 hops max, 40 byte > > > 1 64.214.13.1 (64.214.13.1) 0.695 ms 0.889 ms 0.485 ms 0.453 ms 0.350 ms > > > 2 64.214.13.1 (64.214.13.1) 4.535 ms !N ms * ms 0.574 ms !N ms > > > 3 * (64.214.13.1) 64.214.13.1 ms 0.408 ms !N ms * ms 0.425 ms > > > 4 64.214.13.1 (64.214.13.1) 0.741 ms !N ms * ms 0.542 ms !N ms > > > > > > traceroute to 216.223.200.14 (216.223.200.14), 30 hops max, 40 byte > > > 1 ROUTER6.VINEYARD.NET (204.17.195.236) 0.401 ms 0.342 ms 0.325 ms > > > 2 bos-edge-01.inet.qwest.net (65.115.97.141) 7.249 ms 7.089 ms > 6.943 > > > ms > > > 3 * * * > > > 4 * * bos-edge-01.inet.qwest.net (65.115.97.141) 9.885 ms !H > > > 5 * * * > > > 6 * * * > > > 7 bos-edge-01.inet.qwest.net (65.115.97.141) 7.330 ms !H * * > > > 8 * * * > > > 9 * * * > > > 10 * * * > > > 11 * * * > > > 12 * * * > > > 13 * * * > > > 14 * * * > > > 15 * bos-edge-01.inet.qwest.net (65.115.97.141) 7.021 ms !H * > > > 16 * bos-edge-01.inet.qwest.net (65.115.97.141) 172.856 ms !H * > > > 17 * * * > > > 18 * * * > > > 19 * * bos-edge-01.inet.qwest.net (65.115.97.141) 7.127 ms !H > > > 20 * * bos-edge-01.inet.qwest.net (65.115.97.141) 6.787 ms !H > > > 21 * * bos-edge-01.inet.qwest.net (65.115.97.141) 61.972 ms !H > > > 22 * bos-edge-01.inet.qwest.net (65.115.97.141) 22.525 ms !H * > > > 23 * bos-edge-01.inet.qwest.net (65.115.97.141) 6.944 ms !H * > > > 24 bos-edge-01.inet.qwest.net (65.115.97.141) 15.922 ms !H * * > > > 25 bos-edge-01.inet.qwest.net (65.115.97.141) 11.212 ms !H * 6.895 ms > > > > > > This one works: > > > > > > traceroute to 216.223.192.68 (216.223.192.68), 30 hops max, 40 byte > > > 1 tin-V8.cac.washington.edu (140.142.3.1) 1 ms 0 ms 1 ms > > > 2 uwbr2-GE1-1.cac.washington.edu (140.142.155.24) 1 ms 1 ms 0 ms > > > 3 cnsp2-wes-GE0-1-0.pnw-gigapop.net (198.107.151.5) 1 ms 1 ms 1 ms > > > 4 ge-7-2-0.r04.sttlwa01.us.bb.verio.net (129.250.10.77) 0 ms 0 ms 1 ms > > > 5 p4-1-0-0.r03.sttlwa01.us.bb.verio.net (129.250.2.230) 0 ms 1 ms 0 ms > > > 6 p16-0-1-0.r20.sttlwa01.us.bb.verio.net (129.250.2.14) 1 ms 0 ms 1 ms > > > 7 p16-0-1-2.r21.plalca01.us.bb.verio.net (129.250.5.83) 23 ms 23 ms 23 > ms > > > 8 p64-0-0-0.r20.plalca01.us.bb.verio.net (129.250.3.76) 22 ms 23 ms 22 > ms > > > 9 p16-1-1-1.r20.dllstx01.us.bb.verio.net (129.250.4.104) 57 ms 57 ms 57 > ms > > > 10 p64-0-0-0.r21.dllstx01.us.bb.verio.net (129.250.3.41) 57 ms 57 ms 57 > ms > > > 11 p16-2-0-0.r00.stngva01.us.bb.verio.net (129.250.5.35) 87 ms 87 ms 88 > ms > > > 12 p16-0-0-0.r02.stngva01.us.bb.verio.net (129.250.5.15) 87 ms 88 ms 87 > ms > > > 13 p16-7-0-0.r02.mclnva02.us.bb.verio.net (129.250.5.47) 88 ms 88 ms 88 > ms > > > 14 p4-3-0.r00.mclnva02.us.bb.verio.net (129.250.5.249) 88 ms 88 ms 88 ms > > > 15 mae-east-atm.peer.nac.net (198.32.187.103) 89 ms 89 ms 90 ms > > > 16 a9-0-1064.msfc1.nyc.nac.net (209.123.11.41) 95 ms 95 ms 96 ms > > > 17 internetchannel.customer.nac.net (209.123.10.34) 96 ms 96 ms 96 ms > > > 18 s0-varick-gw.inch.com (216.223.200.206) 100 ms 100 ms 100 ms > > > 19 rubber-biscuit.inch.com (216.223.192.98) 99 ms 99 ms 99 ms > > > 20 rubber-biscuit.inch.com (216.223.192.98) 99 ms !H 100 ms !H 98 ms !H > > -------------------------------------------------------------------- > Mike Tancsa, tel +1 519 651 3400 > Sentex Communications, [email protected] > Providing Internet since 1994 www.sentex.net > Cambridge, Ontario Canada www.sentex.net/mike -- work: [email protected] me: [email protected] MIT Laboratory for Computer Science http://www.angio.net/ I do not accept unsolicited commercial email. Do not spam me.
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