[Linux-bruxelles] lenteur réseau: aide au diagnostic

[Nicolas Pettiaux]

Bonjour,

Je constate chez moi des lenteurs de réseau peu supportables alors que
j'ai payé pour que cela aille vite.

je ne comprends pas pourquoi par exemple il y a des pertes de paquets
et ce que cela peut vouloir dire.

Depuis l'ordi de ma femme (sur Windows pour des raisons "médicales"
!), voici les résultats que j'ai eus.

Si vous avez des idées et pistes, cela m'aiderait beaucoup.

Merci

Nicolas

isabelle at ORDISA ~
$ ping www.scarlet.be
PING www.scarlet.be (193.74.71.30): 56 data bytes
64 bytes from 193.74.71.30: icmp_seq=0 ttl=248 time=13 ms
64 bytes from 193.74.71.30: icmp_seq=2 ttl=248 time=29 ms
64 bytes from 193.74.71.30: icmp_seq=4 ttl=248 time=43 ms
64 bytes from 193.74.71.30: icmp_seq=5 ttl=248 time=14 ms
64 bytes from 193.74.71.30: icmp_seq=6 ttl=248 time=16 ms
64 bytes from 193.74.71.30: icmp_seq=8 ttl=248 time=37 ms
64 bytes from 193.74.71.30: icmp_seq=9 ttl=248 time=32 ms
64 bytes from 193.74.71.30: icmp_seq=11 ttl=248 time=41 ms
64 bytes from 193.74.71.30: icmp_seq=12 ttl=248 time=11 ms
64 bytes from 193.74.71.30: icmp_seq=13 ttl=248 time=12 ms
64 bytes from 193.74.71.30: icmp_seq=14 ttl=248 time=10 ms

----www.scarlet.be PING Statistics----
16 packets transmitted, 11 packets received, 31.2% packet loss
round-trip (ms)  min/avg/max/med = 10/23/43/16

$ ping www.google.be
PING www.l.google.com (66.102.9.104): 56 data bytes
64 bytes from 66.102.9.104: icmp_seq=1 ttl=241 time=34 ms
64 bytes from 66.102.9.104: icmp_seq=2 ttl=241 time=36 ms
64 bytes from 66.102.9.104: icmp_seq=3 ttl=241 time=34 ms
64 bytes from 66.102.9.104: icmp_seq=4 ttl=241 time=34 ms
64 bytes from 66.102.9.104: icmp_seq=5 ttl=241 time=34 ms
64 bytes from 66.102.9.104: icmp_seq=6 ttl=241 time=34 ms
64 bytes from 66.102.9.104: icmp_seq=7 ttl=241 time=34 ms

----www.l.google.com PING Statistics----
8 packets transmitted, 7 packets received, 12.5% packet loss
round-trip (ms)  min/avg/max/med = 34/34/36/34

isabelle at ORDISA ~
$ ping www.bxlug.be
PING guenievre.bxlug.be (62.72.101.232): 56 data bytes
64 bytes from 62.72.101.232: icmp_seq=0 ttl=56 time=21 ms
64 bytes from 62.72.101.232: icmp_seq=1 ttl=56 time=24 ms
64 bytes from 62.72.101.232: icmp_seq=2 ttl=56 time=13 ms
64 bytes from 62.72.101.232: icmp_seq=3 ttl=56 time=13 ms
64 bytes from 62.72.101.232: icmp_seq=4 ttl=56 time=20 ms
64 bytes from 62.72.101.232: icmp_seq=5 ttl=56 time=13 ms
64 bytes from 62.72.101.232: icmp_seq=6 ttl=56 time=12 ms
64 bytes from 62.72.101.232: icmp_seq=7 ttl=56 time=14 ms
64 bytes from 62.72.101.232: icmp_seq=8 ttl=56 time=11 ms
64 bytes from 62.72.101.232: icmp_seq=9 ttl=56 time=12 ms
64 bytes from 62.72.101.232: icmp_seq=10 ttl=56 time=11 ms
64 bytes from 62.72.101.232: icmp_seq=12 ttl=56 time=12 ms
64 bytes from 62.72.101.232: icmp_seq=13 ttl=56 time=24 ms
64 bytes from 62.72.101.232: icmp_seq=14 ttl=56 time=12 ms
64 bytes from 62.72.101.232: icmp_seq=16 ttl=56 time=14 ms
64 bytes from 62.72.101.232: icmp_seq=17 ttl=56 time=24 ms
64 bytes from 62.72.101.232: icmp_seq=18 ttl=56 time=22 ms
64 bytes from 62.72.101.232: icmp_seq=19 ttl=56 time=13 ms
64 bytes from 62.72.101.232: icmp_seq=20 ttl=56 time=13 ms
64 bytes from 62.72.101.232: icmp_seq=21 ttl=56 time=11 ms
64 bytes from 62.72.101.232: icmp_seq=22 ttl=56 time=11 ms
64 bytes from 62.72.101.232: icmp_seq=23 ttl=56 time=29 ms
64 bytes from 62.72.101.232: icmp_seq=24 ttl=56 time=12 ms
64 bytes from 62.72.101.232: icmp_seq=25 ttl=56 time=11 ms
64 bytes from 62.72.101.232: icmp_seq=26 ttl=56 time=12 ms
64 bytes from 62.72.101.232: icmp_seq=27 ttl=56 time=13 ms
64 bytes from 62.72.101.232: icmp_seq=28 ttl=56 time=13 ms
64 bytes from 62.72.101.232: icmp_seq=31 ttl=56 time=21 ms
64 bytes from 62.72.101.232: icmp_seq=32 ttl=56 time=13 ms
64 bytes from 62.72.101.232: icmp_seq=33 ttl=56 time=13 ms
64 bytes from 62.72.101.232: icmp_seq=34 ttl=56 time=13 ms
64 bytes from 62.72.101.232: icmp_seq=35 ttl=56 time=13 ms
64 bytes from 62.72.101.232: icmp_seq=36 ttl=56 time=12 ms
64 bytes from 62.72.101.232: icmp_seq=37 ttl=56 time=13 ms
64 bytes from 62.72.101.232: icmp_seq=38 ttl=56 time=13 ms
64 bytes from 62.72.101.232: icmp_seq=39 ttl=56 time=16 ms
64 bytes from 62.72.101.232: icmp_seq=40 ttl=56 time=13 ms
64 bytes from 62.72.101.232: icmp_seq=41 ttl=56 time=12 ms
64 bytes from 62.72.101.232: icmp_seq=42 ttl=56 time=94 ms
64 bytes from 62.72.101.232: icmp_seq=45 ttl=56 time=11 ms
64 bytes from 62.72.101.232: icmp_seq=46 ttl=56 time=44 ms
64 bytes from 62.72.101.232: icmp_seq=47 ttl=56 time=11 ms
64 bytes from 62.72.101.232: icmp_seq=48 ttl=56 time=31 ms
64 bytes from 62.72.101.232: icmp_seq=49 ttl=56 time=12 ms
64 bytes from 62.72.101.232: icmp_seq=50 ttl=56 time=28 ms
64 bytes from 62.72.101.232: icmp_seq=51 ttl=56 time=11 ms
64 bytes from 62.72.101.232: icmp_seq=52 ttl=56 time=11 ms
64 bytes from 62.72.101.232: icmp_seq=53 ttl=56 time=11 ms
64 bytes from 62.72.101.232: icmp_seq=54 ttl=56 time=11 ms
64 bytes from 62.72.101.232: icmp_seq=55 ttl=56 time=29 ms
64 bytes from 62.72.101.232: icmp_seq=56 ttl=56 time=20 ms
64 bytes from 62.72.101.232: icmp_seq=57 ttl=56 time=13 ms
64 bytes from 62.72.101.232: icmp_seq=60 ttl=56 time=11 ms
64 bytes from 62.72.101.232: icmp_seq=61 ttl=56 time=21 ms
64 bytes from 62.72.101.232: icmp_seq=62 ttl=56 time=14 ms
64 bytes from 62.72.101.232: icmp_seq=64 ttl=56 time=11 ms
64 bytes from 62.72.101.232: icmp_seq=66 ttl=56 time=12 ms
64 bytes from 62.72.101.232: icmp_seq=68 ttl=56 time=12 ms
64 bytes from 62.72.101.232: icmp_seq=69 ttl=56 time=12 ms
64 bytes from 62.72.101.232: icmp_seq=70 ttl=56 time=11 ms
64 bytes from 62.72.101.232: icmp_seq=71 ttl=56 time=12 ms
64 bytes from 62.72.101.232: icmp_seq=72 ttl=56 time=11 ms
64 bytes from 62.72.101.232: icmp_seq=74 ttl=56 time=11 ms
64 bytes from 62.72.101.232: icmp_seq=75 ttl=56 time=12 ms
64 bytes from 62.72.101.232: icmp_seq=76 ttl=56 time=17 ms
64 bytes from 62.72.101.232: icmp_seq=77 ttl=56 time=12 ms
64 bytes from 62.72.101.232: icmp_seq=78 ttl=56 time=13 ms

----guenievre.bxlug.be PING Statistics----
80 packets transmitted, 67 packets received, 16.2% packet loss
round-trip (ms)  min/avg/max/med = 11/16/94/13

-- 
Nicolas Pettiaux - email: nicolas.pettiaux at ael.be