This is a message I sent to my netops team here, thought it might concern some of you, sorry if it doesn't. Anyone have some contact info for Telia NOC? FQDN can be completed w/ yahoo.com. <snip> It seems the telia router that peers w/ UUNet in NY is having BGP problems. Trace from thor.europe (same network as the tunnel router) to 157.130.252.102 go through xo/concentric net. this should go directly to the peering point in NY: thor:~$ traceroute 157.130.252.102 traceroute to 157.130.252.102 (157.130.252.102), 30 hops max, 40 byte packets 1 fjv1-r (194.237.109.204) 0.532 ms 0.321 ms 0.355 ms 2 fjv2-r (194.237.109.205) 0.522 ms 0.388 ms 0.340 ms 3 ov-i7-feth2-0.stockholm.telia.net (193.45.4.13) 0.511 ms 0.269 ms 0.282 ms 4 193.45.4.5 (193.45.4.5) 0.698 ms 0.697 ms 0.736 ms 5 sto-b1-pos4-0.telia.net (194.17.1.90) 1.071 ms 0.679 ms 0.690 ms 6 ldn-hex-b1-pos0-0.telia.net (193.45.4.90) 31.872 ms 32.470 ms 31.879 ms 7 ldn-th-i3-srp4-0.telia.net (193.45.0.133) 32.562 ms 32.706 ms 32.732 ms 8 gige5-0-llb-x-lx.TH29.core.rtr.xara.net (195.66.224.29) 32.767 ms 32.087 ms 32.020 ms 9 gb1-0-llb-x-many.TH30.core.rtr.xara.net (194.143.163.133) 32.794 ms 32.644 ms 32.069 ms 10 po1-0-llb-th30.HU1.core.rtr.xara.net (194.143.164.190) 99.123 ms 102.819 ms 99.080 ms 11 ge6-0.dist2.hud-ny.us.xo.com (64.220.3.82) 99.386 ms 98.748 ms 98.838 ms 12 p1-0.tran2.nyc-ny.us.xo.com (64.0.0.65) 99.486 ms 99.598 ms 98.875 ms 13 ge9-0.tran1.nyc-ny.us.xo.com (64.220.0.241) 99.257 ms 99.248 ms 99.387 ms 14 p0-0.tran1.was-dc.us.xo.com (64.0.0.41) 103.277 ms 104.095 ms 103.252 ms 15 a1-1-0d821.web1.ash-va.us.xo.com (208.36.132.34) 105.032 ms 106.652 ms 105.172 ms 16 208.36.112.100 (208.36.112.100) 105.834 ms !X^C ...You can see the proper path outbound from inferno.ny-office: inferno 17:32:55 ~ $ traceroute 194.237.109.250 traceroute to 194.237.109.250 (194.237.109.250), 30 hops max, 40 byte packets 1 63.99.168.1 (63.99.168.1) 1.033 ms 0.756 ms 0.786 ms 2 673.Hssi5-0-0.GW1.NYC2.ALTER.NET (157.130.252.105) 4.665 ms 291.ATM2-0.GW4.NYC1.ALTER.NET (157.130.252.101) 4.455 ms 4.002 ms 3 143.ATM2-0.XR1.EWR1.ALTER.NET (146.188.177.50) 4.286 ms 4.410 ms 176.ATM2-0.XR1.NYC1.ALTER.NET (152.63.18.50) 5.091 ms 4 193.ATM7-0.XR1.NYC4.ALTER.NET (146.188.178.53) 4.801 ms 195.ATM6-0.XR1.NYC4.ALTER.NET (146.188.178.82) 8.586 ms 193.ATM7-0.XR1.NYC4.ALTER.NET (146.188.178.53) 4.806 ms 5 189.ATM7-0.GW12.NYC4.ALTER.NET (152.63.22.73) 4.850 ms 5.015 ms 4.927 ms 6 Telia-gw.customer.ALTER.NET (157.130.5.74) 5.007 ms 5.262 ms 5.099 ms 7 ny-b1-pos1-0.telia.net (209.95.129.206) 9.794 ms 4.775 ms 13.205 ms 8 193.45.4.93 (193.45.4.93) 100.808 ms 100.937 ms 100.883 ms 9 193.45.4.2 (193.45.4.2) 111.213 ms 99.878 ms 101.399 ms 10 yahoo1-ov.k.telia.net (193.45.4.10) 103.977 ms 104.201 ms 103.846 ms 11 f0-1.telia-tep-rtr1.europe.yahoo.com (194.237.109.250) 111.320 ms 112.737 ms^C ...So, it seems UUNet is listening to BGP from Telia, but Telia isn't listening to BGP from UUNet. thanks, craig
Craig, I cannot see that this route should go through concentric/xara.net/xo, nor indeed that it does. Possibly something's been fixed. Tracing the route to yahoo-inc-gw.customer.alter.net (157.130.252.102) 1 London-i2.telia.net (195.66.224.48) [AS 5459] 0 msec 4 msec 0 msec 2 ldn-hex-b1-srp5-0.telia.net (193.45.0.129) [AS 3301] 0 msec 0 msec 0 msec 3 ny-b1-pos5-1.telia.net (193.45.0.126) [AS 3301] 200 msec 100 msec 100 msec 4 ny-i5-pos0-0.telia.net (209.95.129.205) [AS 1833] 104 msec 100 msec 104 msec 5 xxx.xxx.GW1.NYC4.ALTER.NET (157.130.5.73) [AS 701] 84 msec 84 msec 88 msec 6 505.ATM3-0.XR2.NYC4.ALTER.NET (152.63.22.78) [AS 701] 84 msec 84 msec 88 msec 7 288.ATM7-0.XR2.NYC1.ALTER.NET (146.188.178.109) [AS 701] 84 msec 84 msec 84 msec 8 194.ATM4-0.GW4.NYC1.ALTER.NET (152.63.18.45) [AS 701] 84 msec 88 msec 84 msec 9 yahoo-inc-gw.customer.alter.net (157.130.252.102) [AS 701] 88 msec * Trace from thor.europe (same network as the tunnel router) to 157.130.252.102 go through xo/concentric net ^^^^^^^^^^^^^^^^^^^ if this meant you are using LSSR or something (for some reason) to use xo/concentric: telehouse29>trace 157.130.252.102 Type escape sequence to abort. Tracing the route to yahoo-inc-gw.customer.alter.net (157.130.252.102) 1 gb1-0-llb-x-many.TH30.core.rtr.xara.net (194.143.163.133) [AS 5519] 0 msec 0 msec 0 msec 2 po1-0-llb-th30.HU1.core.rtr.xara.net (194.143.164.190) 68 msec 64 msec 64 msec 3 ge6-0.dist2.hud-ny.us.xo.com (64.220.3.82) [AS 2828] 68 msec 68 msec 64 msec 4 ge6-0.edge1.hud-ny.us.xo.com (64.220.3.83) [AS 2828] 68 msec 68 msec 64 msec 5 POS3-2.BR3.NYC9.ALTER.NET (137.39.52.1) [AS 701] 96 msec 76 msec 96 msec 6 538.at-6-0-0.XR2.NYC9.ALTER.NET (152.63.23.150) [AS 701] 92 msec 76 msec 92 msec 7 280.ATM7-0.XR2.NYC1.ALTER.NET (152.63.18.69) [AS 701] 96 msec 76 msec 76 msec 8 194.ATM4-0.GW4.NYC1.ALTER.NET (152.63.18.45) [AS 701] 76 msec 96 msec 76 msec 9 yahoo-inc-gw.customer.alter.net (157.130.252.102) [AS 701] 80 msec * * -- Alex Bligh VP Core Network, XO Communications - http://www.xo.com/ (formerly Nextlink Inc, Concentric Network Corporation GX Networks, Xara Networks)
participants (2)
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Alex Bligh
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Craig Holland