Anyone noticing random src/dest IP pairs being blackholed at the Cogent peer router(s) since 4AM EST? No rhyme or reason. Even cogent customer IPs. I'm guessing a failing LAG somewhere... mtr x.x.101.98 --address x.x.160.80 Host Loss% Last Avg Best Wrst StDev 1. 209.9.238.161 0.0% 0.4 0.5 0.4 0.6 0.1 2. 38.122.250.x 0.0% 17.7 4.6 0.6 17.7 7.4 3. te1-6.ccr02.iad01.atlas.cogentco.com 0.0% 190.9 120.3 1.1 190.9 74.3 4. te0-8-0-33.ccr41.iad02.atlas.cogentco.com 0.0% 0.8 1.4 0.7 3.8 1.3 5. be2177.ccr22.dca01.atlas.cogentco.com 0.0% 2.0 2.0 1.8 2.3 0.2 be2112.mpd22.dca01.atlas.cogentco.com 6. be2155.mpd22.ord01.atlas.cogentco.com 0.0% 21.1 21.0 20.9 21.1 0.1 be2154.mpd21.ord01.atlas.cogentco.com be2153.ccr22.ord01.atlas.cogentco.com be2152.ccr21.ord01.atlas.cogentco.com 7. te0-4-0-5.ccr22.mci01.atlas.cogentco.com 0.0% 32.8 32.8 32.7 33.0 0.1 te0-4-0-0.mpd22.mci01.atlas.cogentco.com te0-0-0-3.mpd22.mci01.atlas.cogentco.com 8. be2132.ccr21.sfo01.atlas.cogentco.com 0.0% 70.8 70.8 70.5 71.6 0.4 be2133.ccr22.sfo01.atlas.cogentco.com be2135.mpd22.sfo01.atlas.cogentco.com be2134.mpd21.sfo01.atlas.cogentco.com 9. be2166.ccr21.sjc01.atlas.cogentco.com 0.0% 72.0 72.3 72.0 73.3 0.5 be2167.ccr22.sjc01.atlas.cogentco.com 10. be2000.ccr21.sjc03.atlas.cogentco.com 0.0% 73.2 77.6 72.2 97.7 11.3 be2047.ccr21.sjc03.atlas.cogentco.com 11. cox.sjc03.atlas.cogentco.com 0.0% 75.0 75.1 75.0 75.1 0.1 12. elcndsrj01-ae0.0.rd.sd.cox.net 0.0% 82.6 82.7 82.4 83.4 0.4 <snip> mtr x.x.101.98 --address x.x.160.81 Host Loss% Last Avg Best Wrst StDev 1. x.x.238.161 0.0% 0.8 0.6 0.4 0.8 0.2 2. 38.122.250.x 0.0% 0.9 0.8 0.7 0.9 0.1 3. ??? -- Randy M