Du neuf...
Entre temps ma Freebox a été changée (pour un autre souci mais ça tombait bien) : comme je m'y attendais, ça n'a pas réglé le problème.
J'ai réussi à obtenir un nouvel ONU pour test (un grand merci à la personne qui m'a aidé) :
- Pas de changement de débit ni de latence (mais j'en escomptais pas).
- Chargement des pages quasi instantané (j'ai un peu de mal à voir le lien avec l'ONU mais les faits sont pourtant là !).
- Toujours le souci de débit mais il est survenu après + de 60h contre 24-36h avant. A contrôler dans les prochains jours.
En poussant un peu les tests j'ai observé un truc un peu déroutant :
- En iperf multi-flux (2, 4 ou même 8 ) je ne décolle jamais du débit réduit (autour de 250 Mbits).
- En iperf sur flux unique j'arrive parfois après un intervalle aléatoire (25 secondes sur un essai, 37 secondes sur le second, impossible sur le troisième...) à décoller du débit réduit.
C'est particulièrement étrange car en flux multiples ça n'avance pas plus même si on laisse longtemps par contre en flux unique parfois on dépasse la "bride".
Ça pourrait laisser penser à une QoS appliquée mais pourquoi ce serait si variable ?
J'ai bien entendu écarté le fait que ça puisse être équipement chez moi car ça le fait à toute heure, que ce soit avec un PC, un équipement Wifi...
En tout cas le problème se règle toujours lorsque l'on débranche la fibre ou qu'on redémarre la Freebox. D'ailleurs pour lever tout doute j'ai aussi changé la jarretière optique.
Pour le moment ça reste un problème sans issue...
Connecting to host bouygues.iperf.fr, port 5209
Reverse mode, remote host bouygues.iperf.fr is sending
[ 5] local 192.168.10.2 port 55604 connected to 89.84.1.222 port 5209
[ ID] Interval Transfer Bitrate
[ 5] 0.00-1.00 sec 20.8 MBytes 175 Mbits/sec
[ 5] 1.00-2.00 sec 20.0 MBytes 168 Mbits/sec
[ 5] 2.00-3.00 sec 20.4 MBytes 171 Mbits/sec
[ 5] 3.00-4.00 sec 21.2 MBytes 177 Mbits/sec
[ 5] 4.00-5.00 sec 20.5 MBytes 172 Mbits/sec
[ 5] 5.00-6.00 sec 19.9 MBytes 167 Mbits/sec
[ 5] 6.00-7.00 sec 19.1 MBytes 161 Mbits/sec
[ 5] 7.00-8.00 sec 20.3 MBytes 171 Mbits/sec
[ 5] 8.00-9.00 sec 20.5 MBytes 172 Mbits/sec
[ 5] 9.00-10.00 sec 19.4 MBytes 163 Mbits/sec
[ 5] 10.00-11.00 sec 19.8 MBytes 166 Mbits/sec
[ 5] 11.00-12.00 sec 20.9 MBytes 175 Mbits/sec
[ 5] 12.00-13.00 sec 22.6 MBytes 189 Mbits/sec
[ 5] 13.00-14.00 sec 22.7 MBytes 190 Mbits/sec
[ 5] 14.00-15.00 sec 24.0 MBytes 201 Mbits/sec
[ 5] 15.00-16.00 sec 20.9 MBytes 176 Mbits/sec
[ 5] 16.00-17.00 sec 20.5 MBytes 172 Mbits/sec
[ 5] 17.00-18.00 sec 21.1 MBytes 177 Mbits/sec
[ 5] 18.00-19.00 sec 22.6 MBytes 189 Mbits/sec
[ 5] 19.00-20.00 sec 22.4 MBytes 188 Mbits/sec
[ 5] 20.00-21.00 sec 21.3 MBytes 178 Mbits/sec
[ 5] 21.00-22.00 sec 20.1 MBytes 168 Mbits/sec
[ 5] 22.00-23.00 sec 19.7 MBytes 165 Mbits/sec
[ 5] 23.00-24.00 sec 16.8 MBytes 141 Mbits/sec
[ 5] 24.00-25.00 sec 23.3 MBytes 196 Mbits/sec
[ 5] 25.00-26.00 sec 47.6 MBytes 399 Mbits/sec
[ 5] 26.00-27.00 sec 69.1 MBytes 579 Mbits/sec
[ 5] 27.00-28.00 sec 85.5 MBytes 717 Mbits/sec
[ 5] 28.00-29.00 sec 68.3 MBytes 573 Mbits/sec
[ 5] 29.00-30.00 sec 77.5 MBytes 650 Mbits/sec
[ 5] 30.00-31.00 sec 90.0 MBytes 755 Mbits/sec
[ 5] 31.00-32.00 sec 103 MBytes 862 Mbits/sec
[ 5] 32.00-33.00 sec 104 MBytes 870 Mbits/sec
[ 5] 33.00-34.00 sec 105 MBytes 878 Mbits/sec
[ 5] 34.00-35.00 sec 85.8 MBytes 720 Mbits/sec
[ 5] 35.00-36.00 sec 78.8 MBytes 661 Mbits/sec
[ 5] 36.00-37.00 sec 82.4 MBytes 691 Mbits/sec
[ 5] 37.00-38.00 sec 75.2 MBytes 631 Mbits/sec
[ 5] 38.00-39.00 sec 97.9 MBytes 821 Mbits/sec
[ 5] 39.00-40.00 sec 85.6 MBytes 718 Mbits/sec
[ 5] 40.00-41.00 sec 94.5 MBytes 793 Mbits/sec
[ 5] 41.00-42.00 sec 95.0 MBytes 797 Mbits/sec
[ 5] 42.00-43.00 sec 100 MBytes 839 Mbits/sec
[ 5] 43.00-44.00 sec 85.2 MBytes 715 Mbits/sec
[ 5] 44.00-45.00 sec 77.9 MBytes 653 Mbits/sec
[ 5] 45.00-46.00 sec 84.7 MBytes 711 Mbits/sec
[ 5] 46.00-47.00 sec 87.5 MBytes 734 Mbits/sec
[ 5] 47.00-48.00 sec 97.4 MBytes 817 Mbits/sec
[ 5] 48.00-49.00 sec 97.8 MBytes 820 Mbits/sec
[ 5] 49.00-50.00 sec 102 MBytes 854 Mbits/sec
[ 5] 50.00-51.00 sec 73.0 MBytes 613 Mbits/sec
[ 5] 51.00-52.00 sec 63.1 MBytes 529 Mbits/sec
[ 5] 52.00-53.00 sec 76.2 MBytes 639 Mbits/sec
[ 5] 53.00-54.00 sec 87.0 MBytes 729 Mbits/sec
[ 5] 54.00-55.00 sec 81.4 MBytes 683 Mbits/sec
[ 5] 55.00-56.00 sec 98.6 MBytes 827 Mbits/sec
[ 5] 56.00-57.00 sec 97.9 MBytes 821 Mbits/sec
[ 5] 57.00-58.00 sec 104 MBytes 876 Mbits/sec
[ 5] 58.00-59.00 sec 104 MBytes 869 Mbits/sec
[ 5] 59.00-60.00 sec 104 MBytes 876 Mbits/sec
- - - - - - - - - - - - - - - - - - - - - - - - -
[ ID] Interval Transfer Bitrate Retr
[ 5] 0.00-60.00 sec 3.51 GBytes 502 Mbits/sec 265 sender
[ 5] 0.00-60.00 sec 3.50 GBytes 501 Mbits/sec receiver
Connecting to host bouygues.iperf.fr, port 5209
Reverse mode, remote host bouygues.iperf.fr is sending
[ 5] local 192.168.10.2 port 55626 connected to 89.84.1.222 port 5209
[ ID] Interval Transfer Bitrate
[ 5] 0.00-1.00 sec 20.8 MBytes 175 Mbits/sec
[ 5] 1.00-2.00 sec 20.7 MBytes 174 Mbits/sec
[ 5] 2.00-3.00 sec 19.3 MBytes 162 Mbits/sec
[ 5] 3.00-4.00 sec 19.4 MBytes 162 Mbits/sec
[ 5] 4.00-5.00 sec 24.9 MBytes 209 Mbits/sec
[ 5] 5.00-6.00 sec 29.7 MBytes 249 Mbits/sec
[ 5] 6.00-7.00 sec 27.7 MBytes 232 Mbits/sec
[ 5] 7.00-8.00 sec 25.8 MBytes 217 Mbits/sec
[ 5] 8.00-9.00 sec 27.5 MBytes 231 Mbits/sec
[ 5] 9.00-10.00 sec 32.4 MBytes 271 Mbits/sec
[ 5] 10.00-11.00 sec 31.6 MBytes 265 Mbits/sec
[ 5] 11.00-12.00 sec 30.0 MBytes 252 Mbits/sec
[ 5] 12.00-13.00 sec 29.1 MBytes 244 Mbits/sec
[ 5] 13.00-14.00 sec 28.4 MBytes 239 Mbits/sec
[ 5] 14.00-15.00 sec 30.7 MBytes 258 Mbits/sec
[ 5] 15.00-16.00 sec 32.1 MBytes 269 Mbits/sec
[ 5] 16.00-17.00 sec 32.1 MBytes 269 Mbits/sec
[ 5] 17.00-18.00 sec 33.8 MBytes 283 Mbits/sec
[ 5] 18.00-19.00 sec 34.9 MBytes 293 Mbits/sec
[ 5] 19.00-20.00 sec 33.0 MBytes 277 Mbits/sec
[ 5] 20.00-21.00 sec 29.8 MBytes 250 Mbits/sec
[ 5] 21.00-22.00 sec 31.6 MBytes 265 Mbits/sec
[ 5] 22.00-23.00 sec 31.9 MBytes 268 Mbits/sec
[ 5] 23.00-24.00 sec 31.1 MBytes 261 Mbits/sec
[ 5] 24.00-25.00 sec 32.9 MBytes 276 Mbits/sec
[ 5] 25.00-26.00 sec 32.3 MBytes 271 Mbits/sec
[ 5] 26.00-27.00 sec 34.6 MBytes 290 Mbits/sec
[ 5] 27.00-28.00 sec 31.0 MBytes 260 Mbits/sec
[ 5] 28.00-29.00 sec 30.8 MBytes 259 Mbits/sec
[ 5] 29.00-30.00 sec 32.6 MBytes 273 Mbits/sec
[ 5] 30.00-31.00 sec 29.2 MBytes 245 Mbits/sec
[ 5] 31.00-32.00 sec 33.7 MBytes 283 Mbits/sec
[ 5] 32.00-33.00 sec 30.7 MBytes 257 Mbits/sec
[ 5] 33.00-34.00 sec 29.6 MBytes 248 Mbits/sec
[ 5] 34.00-35.00 sec 31.4 MBytes 263 Mbits/sec
[ 5] 35.00-36.00 sec 29.7 MBytes 249 Mbits/sec
[ 5] 36.00-37.00 sec 29.6 MBytes 248 Mbits/sec
[ 5] 37.00-38.00 sec 35.4 MBytes 297 Mbits/sec
[ 5] 38.00-39.00 sec 60.8 MBytes 510 Mbits/sec
[ 5] 39.00-40.00 sec 71.7 MBytes 602 Mbits/sec
[ 5] 40.00-41.00 sec 78.6 MBytes 659 Mbits/sec
[ 5] 41.00-42.00 sec 79.3 MBytes 665 Mbits/sec
[ 5] 42.00-43.00 sec 84.4 MBytes 708 Mbits/sec
[ 5] 43.00-44.00 sec 68.3 MBytes 573 Mbits/sec
[ 5] 44.00-45.00 sec 78.8 MBytes 661 Mbits/sec
[ 5] 45.00-46.00 sec 91.2 MBytes 765 Mbits/sec
[ 5] 46.00-47.00 sec 88.9 MBytes 746 Mbits/sec
[ 5] 47.00-48.00 sec 87.3 MBytes 732 Mbits/sec
[ 5] 48.00-49.00 sec 94.7 MBytes 795 Mbits/sec
[ 5] 49.00-50.00 sec 87.9 MBytes 737 Mbits/sec
[ 5] 50.00-51.00 sec 85.4 MBytes 716 Mbits/sec
[ 5] 51.00-52.00 sec 96.2 MBytes 807 Mbits/sec
[ 5] 52.00-53.00 sec 81.0 MBytes 679 Mbits/sec
[ 5] 53.00-54.00 sec 75.3 MBytes 631 Mbits/sec
[ 5] 54.00-55.00 sec 89.7 MBytes 753 Mbits/sec
[ 5] 55.00-56.00 sec 100 MBytes 839 Mbits/sec
[ 5] 56.00-57.00 sec 97.7 MBytes 820 Mbits/sec
[ 5] 57.00-58.00 sec 104 MBytes 874 Mbits/sec
[ 5] 58.00-59.00 sec 105 MBytes 879 Mbits/sec
[ 5] 59.00-60.00 sec 96.9 MBytes 813 Mbits/sec
- - - - - - - - - - - - - - - - - - - - - - - - -
[ ID] Interval Transfer Bitrate Retr
[ 5] 0.00-60.00 sec 2.97 GBytes 425 Mbits/sec 202 sender
[ 5] 0.00-60.00 sec 2.96 GBytes 424 Mbits/sec receiver