Had some customers not some slow web sites and looking appears to be the result of latency between Cogent and Level3. The http://www.internetpulse.net/ site is also reflecting high latency at the Cogent/Level3 connections. Seeing up and down from here in Denver: [root@sys~]# mtr --report --report-cycles=25 --report-wide 8-25-240-45.netecin.net HOST: sys.axint.net Loss% Snt Last Avg Best Wrst StDev 1. edge.axint.net 0.0% 25 0.6 0.7 0.3 3.1 0.6 2. fa0-2.na01.b009854-0.den01.atlas.cogentco.com 0.0% 25 0.9 1.1 0.7 3.1 0.5 3. vl3509.mag02.den01.atlas.cogentco.com 0.0% 25 1.6 5.6 0.7 58.4 15.8 4. te7-4.mpd02.den01.atlas.cogentco.com 0.0% 25 135.1 11.0 0.6 135.1 34.4 5. te0-4-0-2.mpd22.mci01.atlas.cogentco.com 0.0% 25 12.8 12.9 12.6 14.8 0.5 6. te0-3-0-6.ccr22.dfw01.atlas.cogentco.com 0.0% 25 23.5 23.6 23.2 26.1 0.6 7. te0-0-0-0.ccr21.dfw01.atlas.cogentco.com 0.0% 25 22.9 23.3 22.7 27.7 1.0 8. te7-3.mpd01.dfw03.atlas.cogentco.com 8.0% 25 193.8 31.6 23.2 193.8 35.5 9. te-3-2.car3.Dallas1.Level3.net 4.0% 25 144.8 65.8 46.6 228.5 44.5 10. vlan70.csw2.Dallas1.Level3.net 32.0% 25 147.5 151.4 147.5 159.6 4.4 11. ae-72-72.ebr2.Dallas1.Level3.net 24.0% 25 147.5 147.7 147.3 148.3 0.3 12. ae-2-2.ebr1.Denver1.Level3.net 36.0% 25 149.5 150.3 146.2 159.3 4.2 13. ae-12-51.car2.Denver1.Level3.net 0.0% 25 46.0 79.9 45.9 237.3 58.0 14. EASTERN-COL.car2.Denver1.Level3.net 0.0% 25 47.4 47.4 47.1 48.2 0.3 15. 8-25-240-45.netecin.net 32.0% 25 158.4 154.4 152.1 158.4 1.9 [root@sys~]# mtr --report --report-cycles=25 --report-wide 8-25-240-45.netecin.net HOST: sys.axint.net Loss% Snt Last Avg Best Wrst StDev 1. edge.axint.net 0.0% 25 0.6 0.6 0.4 1.5 0.2 2. fa0-2.na01.b009854-0.den01.atlas.cogentco.com 0.0% 25 0.9 1.0 0.7 1.4 0.2 3. vl3509.mag02.den01.atlas.cogentco.com 0.0% 25 67.0 6.0 0.6 67.0 17.6 4. te7-4.mpd02.den01.atlas.cogentco.com 0.0% 25 139.0 32.7 0.8 173.3 55.2 5. te0-4-0-2.mpd22.mci01.atlas.cogentco.com 0.0% 25 12.8 13.0 12.4 15.5 0.6 6. te0-3-0-6.ccr22.dfw01.atlas.cogentco.com 0.0% 25 23.4 23.8 23.2 25.1 0.5 7. te0-0-0-0.ccr21.dfw01.atlas.cogentco.com 0.0% 25 22.9 23.0 22.6 24.5 0.4 8. te7-3.mpd01.dfw03.atlas.cogentco.com 8.0% 25 28.7 84.7 23.2 368.1 94.9 9. te-3-2.car3.Dallas1.Level3.net 0.0% 25 23.4 28.3 23.2 116.9 19.1 10. vlan70.csw2.Dallas1.Level3.net 0.0% 25 29.8 26.7 23.2 34.9 4.3 11. ae-72-72.ebr2.Dallas1.Level3.net 0.0% 25 23.6 23.9 23.5 25.9 0.5 12. ae-2-2.ebr1.Denver1.Level3.net 0.0% 25 38.0 41.4 37.4 50.1 4.5 13. ae-12-51.car2.Denver1.Level3.net 0.0% 25 37.8 68.3 37.5 229.7 58.8 14. EASTERN-COL.car2.Denver1.Level3.net 0.0% 25 38.4 38.9 38.4 40.3 0.5 15. 8-25-240-45.netecin.net 0.0% 25 49.1 47.4 44.3 51.9 2.1 Anyone hear of anything? (waiting to hear from Cogent) Chris