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
I don't recieve that route from any of our transit providers, and the only place I found it was at LINX from AS8001 ldn2nxg1#sh ip bgp 216.223.192.68 BGP routing table entry for 216.223.192.0/19, version 0 Paths: (1 available, no best path) Not advertised to any peer 8001 4276, (received-only) 195.66.224.94 from 195.66.224.94 (209.123.12.62) Origin IGP, metric 50, localpref 100, valid, external Community: 8001:120 8001:4000 8001:4001 8001:10000, mpls labels in/out unknown/exp-null Where we didn't accept it due to not being corect registered in the IRR's - could it really be that filtering is now so effective, that one loose global reachability if it's not ? /Jesper On Sat, Aug 31, 2002 at 10:54:42AM -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
/Jesper -- Jesper Skriver, jesper(at)skriver(dot)dk - CCIE #5456 Senior network engineer @ AS3292, TDC Tele Danmark One Unix to rule them all, One Resolver to find them, One IP to bring them all and in the zone to bind them.
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, mike@sentex.net Providing Internet since 1994 www.sentex.net Cambridge, Ontario Canada www.sentex.net/mike
I see 216.223.192.0/19 with these ASpaths: wcg 7911 8001 4276 globix 4513 8001 4276 mfn 6461 8001 4276 and fail to see it (Network not in table) behind AS2828 (XO) and AS1 (Genuity). -mark
Hi, FYI, I'm currently sitting as customer to 5511, and I see your two mentioned addresses behind AT&T (NY peering FT-AT&T), NAC. mh -----Message d'origine----- De : owner-nanog@merit.edu [mailto:owner-nanog@merit.edu]De la part de Gerald Envoye : samedi 31 aout 2002 16:55 A : nanog@merit.edu Objet : Bad bad routing problems? 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
Man it is hard to find where routes die when you are dead on the net. 2 hops out from our network was not broadcasting our routes. We should be alive on the internet again to everyone. Thanks for the input as it helped us find where our BGP broadcast died. Gerald
On Sat, 31 Aug 2002, Gerald wrote:
Man it is hard to find where routes die when you are dead on the net.
tip - keep some access via another provider!
2 hops out from our network was not broadcasting our routes. We should be alive on the internet again to everyone. Thanks for the input as it helped us find where our BGP broadcast died.
Gerald
participants (6)
-
Gerald -
Jesper Skriver -
Mark Kent -
Michael Hallgren -
Mike Tancsa -
Stephen J. Wilcox