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/

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