If the path has simmetric one way latencies you don't have to pick a lower latency faulty one. Perhaps creating a selection at startup and then using that collection ?
Rubens Em sáb., 5 de ago. de 2023 12:42, Mark Tinka <[email protected]> escreveu: > Hi all. > > I have NTP servers in Europe that are choosing Tata (6453) to get to > 0.freebsd.pool.ntp.org which lives on 197.224.66.40: > > traceroute -I 0.freebsd.pool.ntp.org > traceroute to 0.freebsd.pool.ntp.org (197.224.66.40), 64 hops max, 48 > byte packets > 1 ae-2-24.er-01-ams.nl.seacomnet.com (105.26.64.13) 0.300 ms 0.301 > ms 0.215 ms > 2 ce-0-0-11.cr-01-mrs.fr.seacomnet.com (105.16.8.201) 22.163 ms > 22.370 ms 22.084 ms > 3 ce-0-0-3.br-01-mrs.fr.seacomnet.com (105.16.32.254) 20.230 ms > 20.243 ms 20.139 ms > 4 ix-hge-0-0-0-28.ecore3.emrs2-marseille.as6453.net (80.231.165.52) > 21.875 ms 21.679 ms 21.762 ms > 5 * if-be-3-2.ecore2.emrs2-marseille.as6453.net (195.219.175.0) 42.751 > ms * > 6 if-ae-25-2.tcore1.ldn-london.as6453.net (195.219.175.5) 43.509 ms > 43.280 ms 43.353 ms > 7 195.219.83.158 (195.219.83.158) 203.310 ms 203.452 ms 203.209 ms > 8 196.20.225.84 (196.20.225.84) 208.289 ms 208.637 ms 208.374 ms > 9 197.226.230.13 (197.226.230.13) 209.657 ms 209.658 ms 209.830 ms > 10 197.224.66.40 (197.224.66.40) 208.638 ms 208.632 ms 208.712 ms > > NTP is not sync'ing to that address, and sessions stay in an Init state. > > Other NTP servers I have in Africa are reaching the same address via local > Anycast hosters, and sync'ing just fine. > > Anyone else seeing this particular issue across Tata in Europe? > > Mark. >

