C'est le ping qui le met en évidence : ping 23.237.126.230
PING 23.237.126.230 (23.237.126.230): 56 data bytes 64 bytes from 23.237.126.230: icmp_seq=0 ttl=49 time=129.368 ms 64 bytes from 23.237.126.230: icmp_seq=1 ttl=49 time=124.878 ms 64 bytes from 23.237.126.230: icmp_seq=2 ttl=49 time=125.859 ms ^C --- 23.237.126.230 ping statistics --- 3 packets transmitted, 3 packets received, 0.0% packet loss round-trip min/avg/max/stddev = 124.878/126.702/129.368/1.927 ms ping 23.237.136.242 PING 23.237.136.242 (23.237.136.242): 56 data bytes 64 bytes from 23.237.136.242: icmp_seq=0 ttl=239 time=129.456 ms 64 bytes from 23.237.136.242: icmp_seq=1 ttl=239 time=126.312 ms 64 bytes from 23.237.136.242: icmp_seq=2 ttl=239 time=128.439 ms ^C --- 23.237.136.242 ping statistics --- 3 packets transmitted, 3 packets received, 0.0% packet loss round-trip min/avg/max/stddev = 126.312/128.069/129.456/1.310 ms ping 114.114.114.114 PING 114.114.114.114 (114.114.114.114): 56 data bytes 64 bytes from 114.114.114.114: icmp_seq=0 ttl=55 time=125.713 ms 64 bytes from 114.114.114.114: icmp_seq=1 ttl=60 time=125.025 ms 64 bytes from 114.114.114.114: icmp_seq=2 ttl=65 time=131.488 ms 64 bytes from 114.114.114.114: icmp_seq=3 ttl=64 time=126.412 ms 64 bytes from 114.114.114.114: icmp_seq=4 ttl=80 time=124.900 ms ^C --- 114.114.114.114 ping statistics --- 5 packets transmitted, 5 packets received, 0.0% packet loss round-trip min/avg/max/stddev = 124.900/126.708/131.488/2.451 ms Le comportment différent de ping et mtr est certainement une piste Le ven. 3 janv. 2020 à 22:42, Alarig Le Lay <ala...@swordarmor.fr> a écrit : > On ven. 3 janv. 22:38:00 2020, Laurent DURU wrote: > > Je trouve bien étrange d'avoir un delta TTL de 190 entre le hop-1 et -2, > > pas vous ?! Surtout si le dernier hop varie entre 56 et 85 de TTL ... > > Je ne vois rien de la sorte : > Start: Fri Jan 3 22:40:14 2020 > HOST: msi.no.swordarmor.fr > Loss% Snt Last Avg Best Wrst StDev > 1. AS208627 enp2s0.104.core02-arendal.no.swordarmor.fr (45.91.126.14) > 0.0% 10 0.4 0.4 0.3 0.5 0.0 > 2. AS208627 tinc0.edge01-terrahost.no.swordarmor.fr (45.91.126.233) > 0.0% 10 10.9 11.1 10.7 11.5 0.0 > 3. AS56655 static.185.181.60.1.terrahost.no (185.181.60.1) > 0.0% 10 12.2 11.7 11.1 12.2 0.0 > 4. AS56655 sfjedge1-dc2.te-7-1.k10.terrahost.no (185.125.170.85) > 0.0% 10 11.4 13.8 10.3 39.2 8.9 > 5. AS50304 31.169.48.154 > 0.0% 10 14.1 13.9 13.6 14.7 0.0 > 6. AS50304 100ge0.ncs-dpu-osl.blix.com (31.169.49.209) > 10.0% 10 13.7 14.1 13.7 14.7 0.0 > 7. AS1299 oso-b3-link.telia.net (62.115.147.82) > 0.0% 10 14.9 15.6 13.2 21.6 2.5 > 8. AS1299 kbn-bb3-link.telia.net (62.115.138.10) > 0.0% 10 27.0 23.8 22.3 27.0 1.4 > 9. AS1299 kbn-b3-link.telia.net (80.91.245.159) > 0.0% 10 22.4 22.7 22.1 23.4 0.0 > 10. AS174 hu0-5-0-0.rcr21.cph01.atlas.cogentco.com (130.117.14.33) > 0.0% 10 53.5 53.6 52.8 55.0 0.3 > 11. AS174 be2306.ccr42.ham01.atlas.cogentco.com (130.117.3.237) > 0.0% 10 54.9 54.0 52.9 55.8 0.7 > 12. AS174 be2816.ccr42.ams03.atlas.cogentco.com (154.54.38.209) > 0.0% 10 53.6 53.6 53.0 54.0 0.0 > 13. AS174 be2183.ccr22.lpl01.atlas.cogentco.com (154.54.58.69) > 0.0% 10 143.2 144.3 143.1 146.0 0.7 > [MPLS: Lbl 26512 Exp 2 S 1 TTL 1] > 14. AS174 be3043.ccr22.ymq01.atlas.cogentco.com (154.54.44.166) > 0.0% 10 143.8 144.5 143.8 146.2 0.5 > [MPLS: Lbl 26486 Exp 2 S 1 TTL 1] > 15. AS174 be3260.ccr32.yyz02.atlas.cogentco.com (154.54.42.89) > 0.0% 10 142.6 143.0 142.1 144.5 0.5 > [MPLS: Lbl 29425 Exp 2 S 1 TTL 1] > 16. AS174 be2994.ccr22.cle04.atlas.cogentco.com (154.54.31.233) > 0.0% 10 143.8 143.7 143.1 144.4 0.0 > [MPLS: Lbl 26554 Exp 2 S 1 TTL 1] > 17. AS174 be2718.ccr42.ord01.atlas.cogentco.com (154.54.7.129) > 0.0% 10 143.8 143.7 143.0 144.5 0.0 > 18. AS174 154.54.89.2 > 0.0% 10 144.1 143.8 143.0 144.8 0.0 > 19. AS174 core23.aggr0.chi02.fdcservers.net (38.142.58.114) > 0.0% 10 196.5 168.8 146.8 196.5 19.2 > 20. AS174 23.237.126.230 > 0.0% 10 144.5 145.4 143.8 148.8 1.3 > 21. AS174 23.237.136.242 > 40.0% 10 146.3 146.8 145.4 149.1 1.0 > 22. AS174 public1.114dns.com (114.114.114.114) > 0.0% 10 144.2 143.9 143.2 144.6 0.0 > > -- > Alarig > > > --------------------------- > Liste de diffusion du FRnOG > http://www.frnog.org/ > --------------------------- Liste de diffusion du FRnOG http://www.frnog.org/