I see the AWS->me path has just changed to Cogent. me->AWS path still appears to be Twelve99. Loss and latency has now subsided. Thanks

On 26 Jan 2024, at 08:19, Phil Lavin <phil.lavin@vonage.com> wrote:

Hi Folks,

Cross posting to outages and nanog.

Can anybody from Twelve99 / AWS investigate high loss and latency around SJO between Twelve99 and AWS?

Traces below:

88.99.88.67 to 216.147.3.209:

My traceroute [v0.94] phil (10.88.10.10) -> 216.147.3.209 2024-01-26T08:16:16+0000 Keys: Help Display mode Restart statistics Order of fields quit Packets Pings Host Loss% Snt Last Avg Best Wrst StDev 1. 10.88.10.254 0.0% 176 0.2 0.1 0.1 0.3 0.1 2. fe-fw-01.lavin.me.uk 0.0% 176 0.4 0.4 0.2 0.7 0.1 3. 10.69.69.1 0.0% 176 0.5 0.4 0.2 0.7 0.1 4. static.225.8.4.46.clients.your-server.de 0.0% 176 0.8 1.0 0.5 8.2 1.0 5. core22.fsn1.hetzner.com 0.6% 176 0.8 2.0 0.7 39.0 4.6 6. static.213-239-254-234.clients.your-server.de 0.0% 176 3.2 3.8 3.1 36.5 3.3 7. nug-b1-link.ip.twelve99.net 0.0% 176 3.3 3.5 3.1 24.1 1.6 8. hbg-bb2-link.ip.twelve99.net 86.9% 175 18.9 18.9 18.7 19.2 0.1 9. ldn-bb2-link.ip.twelve99.net 92.0% 175 30.5 30.6 30.4 30.8 0.1 10. nyk-bb1-link.ip.twelve99.net 4.6% 175 99.5 99.5 99.3 100.1 0.2 11. sjo-b23-link.ip.twelve99.net 56.3% 175 296.8 306.0 289.7 315.0 5.5 12. amazon-ic-366608.ip.twelve99-cust.net 80.5% 175 510.0 513.5 500.7 539.7 8.4 13. (waiting for reply) …... 26. 216.147.3.209 59.1% 150 534.2 534.4 513.5 549.7 8.1

44.236.47.236 to 178.63.26.145:

jcasc-rtc01 (10.96.54.240) -> hc-ping.com 2024-01-26T08:10:24+0000 Keys: Help Display mode Restart statistics Order of fields quit Packets Pings Host Loss% Snt Last Avg Best Wrst StDev 1. ip-10-96-50-153.us-west-2.compute.internal 0.0% 267 0.2 0.2 0.2 0.4 0.0 2. ec2-34-221-151-225.us-west-2.compute.amazonaw 0.0% 267 6.8 15.9 0.7 114.1 24.1 3. (waiting for reply) 4. (waiting for reply) 5. (waiting for reply) 6. 241.0.2.5 0.0% 267 0.4 0.4 0.3 1.2 0.1 7. 242.0.42.195 0.0% 267 1.2 1.7 0.5 23.9 3.0 8. 240.2.144.12 0.0% 267 5.2 5.2 5.2 27.4 1.4 9. amazon-ic-375418.ip.twelve99-cust.net 0.0% 267 5.3 5.2 5.2 6.1 0.1 10. port-b4-link.ip.twelve99.net 0.0% 267 5.3 5.5 4.9 35.5 3.0 11. port-b3-link.ip.twelve99.net 0.0% 267 5.8 5.9 5.6 11.8 0.5 12. palo-b24-link.ip.twelve99.net 4.9% 267 21.1 21.5 21.0 58.4 3.1 13. sjo-b23-link.ip.twelve99.net 0.0% 266 21.4 22.7 21.3 86.2 6.5 14. nyk-bb1-link.ip.twelve99.net 58.1% 266 432.7 422.7 407.2 438.5 6.5 15. ldn-bb2-link.ip.twelve99.net 98.1% 266 485.6 485.4 481.6 491.1 3.9 16. hbg-bb2-link.ip.twelve99.net 92.5% 266 504.1 499.8 489.8 510.1 5.9 17. nug-b1-link.ip.twelve99.net 55.5% 266 523.5 519.6 504.4 561.7 7.6 18. hetzner-ic-340780.ip.twelve99-cust.net 53.6% 266 524.4 519.2 506.0 545.5 6.9 19. core22.fsn1.hetzner.com 70.2% 266 521.7 519.2 498.5 531.7 6.6 20. static.213-239-254-150.clients.your-server.de 33.2% 266 382.4 375.4 364.9 396.5 4.1 21. static.145.26.63.178.clients.your-server.de 62.0% 266 529.9 518.4 506.9 531.3 6.1

Thanks

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