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North American Network Operators Group Date Prev | Date Next | Date Index | Thread Index | Author Index | Historical AS 701 problems in Chicago ?
Anyone know whats up ? I have seen some strange routing depending on the payload's protocol to a site in one of their colos in Toronto. e.g. all tcp packets are making to the host marble# traceroute -s 199.212.134.2 -Ptcp ITMsite.sentex.ca traceroute to ITMsite.sentex.ca (209.167.35.xx), 64 hops max, 56 byte packets 1 iolite4-fxp2 (199.212.134.10) 0.124 ms 0.101 ms 0.097 ms 2 allstream-vl108 (67.43.129.246) 5.663 ms 5.443 ms 5.580 ms 3 216.191.68.65 (216.191.68.65) 6.997 ms 6.050 ms 6.667 ms 4 65.195.241.149 (65.195.241.149) 17.438 ms 17.448 ms 18.513 ms 5 0.so-1-0-0.XL2.CHI1.ALTER.NET (152.63.70.70) 18.040 ms 17.950 ms 18.198 ms 6 0.so-0-0-0.TL2.CHI2.ALTER.NET (152.63.68.89) 18.476 ms 18.442 ms 20.224 ms 7 0.so-6-0-0.TL2.TOR2.ALTER.NET (152.63.0.201) 38.112 ms 34.369 ms 34.827 ms 8 0.so-1-0-0.XL2.TOR2.ALTER.NET (152.63.3.90) 37.353 ms 37.305 ms 36.856 ms 9 POS7-0.GW4.TOR2.ALTER.NET (152.63.131.141) 40.099 ms 36.807 ms 35.595 ms 10 enoo3-gw.customer.alter.net (205.150.100.214) 43.112 ms 41.565 ms 41.931 ms ^C But other protocols (UDP, ICMP and most importantly for us, ESP) are hosed. marble# traceroute -s 199.212.134.2 -Pesp ITMsite.sentex.ca traceroute to ITMsite.sentex.ca (209.167.35.xx), 64 hops max, 40 byte packets 1 iolite4-fxp2 (199.212.134.10) 0.120 ms 0.097 ms 0.093 ms 2 allstream-vl108 (67.43.129.246) 5.460 ms 5.303 ms 5.524 ms 3 216.191.68.65 (216.191.68.65) 6.563 ms 6.289 ms 6.211 ms 4 65.195.241.149 (65.195.241.149) 18.219 ms 17.612 ms 17.991 ms 5 0.so-1-0-0.XL2.CHI1.ALTER.NET (152.63.70.70) 17.587 ms 17.629 ms 18.492 ms 6 0.so-0-0-0.TL2.CHI4.ALTER.NET (152.63.13.34) 26.075 ms 18.130 ms 18.879 ms 7 0.so-0-0-0.XL2.CHI4.ALTER.NET (152.63.13.33) 17.981 ms 18.160 ms 18.516 ms 8 0.so-0-0-0.TL2.CHI4.ALTER.NET (152.63.13.34) 19.138 ms 18.356 ms 18.593 ms 9 0.so-0-0-0.XL2.CHI4.ALTER.NET (152.63.13.33) 18.677 ms 18.477 ms 17.973 ms 10 0.so-0-0-0.TL2.CHI4.ALTER.NET (152.63.13.34) 19.088 ms 18.936 ms 18.692 ms 11 0.so-0-0-0.XL2.CHI4.ALTER.NET (152.63.13.33) 18.841 ms 18.308 ms 18.996 ms 12 0.so-0-0-0.TL2.CHI4.ALTER.NET (152.63.13.34) 18.362 ms 18.645 ms 18.584 ms 13 0.so-0-0-0.XL2.CHI4.ALTER.NET (152.63.13.33) 18.329 ms 18.125 ms 18.890 ms 14 0.so-0-0-0.TL2.CHI4.ALTER.NET (152.63.13.34) 18.583 ms 18.635 ms 18.933 ms 15 0.so-0-0-0.XL2.CHI4.ALTER.NET (152.63.13.33) 46.420 ms 19.088 ms 18.217 ms 16 0.so-0-0-0.TL2.CHI4.ALTER.NET (152.63.13.34) 62.137 ms 18.515 ms 18.349 ms 17 0.so-0-0-0.XL2.CHI4.ALTER.NET (152.63.13.33) 18.243 ms 18.558 ms 18.404 ms 18 0.so-0-0-0.TL2.CHI4.ALTER.NET (152.63.13.34) 18.506 ms 18.568 ms 19.341 ms 19 0.so-0-0-0.XL2.CHI4.ALTER.NET (152.63.13.33) 18.724 ms 19.178 ms 18.367 ms 20 0.so-0-0-0.TL2.CHI4.ALTER.NET (152.63.13.34) 18.644 ms 18.321 ms 18.545 ms 21 0.so-0-0-0.XL2.CHI4.ALTER.NET (152.63.13.33) 19.225 ms 18.410 ms 18.596 ms 22 0.so-0-0-0.TL2.CHI4.ALTER.NET (152.63.13.34) 18.758 ms 20.040 ms 18.488 ms ---Mike -------------------------------------------------------------------- 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
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