La Fibre
Télécom => Logiciels et systèmes d'exploitation => Iperf => Discussion démarrée par: quentinl le 14 janvier 2022 à 16:33:30
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Bonjour à tous,
J'ai fait des test iperf3 pour savoir si j'avais un blocage quelque part sur mon réseau
J'ai joint ces résultats en PJ avec la commande utilisée en première ligne
Est-ce que quelqu’un peut me dire si mes résultats paraissent cohérents ou si j'ai fait une erreur dans la commande ?
Je peut également faire d'autres test si nécessaire ou apporter des précisions
Merci d'avance
Edit :
J'ajoute le contenu des PJ en texte directement dans le post
iperf3.exe -u -c iperf.par2.as49434.net -p 9202 -l 32k -b 10g -V --logfile Normal.txt
iperf 3.1.3
CYGWIN_NT-10.0 Quentin-PC 3.3.3(0.341/5/3) 2021-12-03 16:35 x86_64
Time: Fri, 14 Jan 2022 15:48:31 GMT
Connecting to host iperf.par2.as49434.net, port 9202
Cookie: Quentin-PC.1642175311.766082.75cd988
[ 5] local 2a01:e0a:5f5:4ba0:8981:fc11:811a:eeb8 port 57552 connected to 2a0f:9240:1018::2 port 9202
Starting Test: protocol: UDP, 1 streams, 32768 byte blocks, omitting 0 seconds, 10 second test
[ ID] Interval Transfer Bandwidth Total Datagrams
[ 5] 0.00-1.00 sec 638 MBytes 5.35 Gbits/sec 20413
[ 5] 1.00-2.00 sec 719 MBytes 6.03 Gbits/sec 23008
[ 5] 2.00-3.00 sec 716 MBytes 6.01 Gbits/sec 22912
[ 5] 3.00-4.00 sec 714 MBytes 5.99 Gbits/sec 22860
[ 5] 4.00-5.00 sec 715 MBytes 6.00 Gbits/sec 22870
[ 5] 5.00-6.00 sec 715 MBytes 5.99 Gbits/sec 22868
[ 5] 6.00-7.00 sec 718 MBytes 6.02 Gbits/sec 22979
[ 5] 7.00-8.00 sec 716 MBytes 6.00 Gbits/sec 22899
[ 5] 8.00-9.00 sec 718 MBytes 6.03 Gbits/sec 22991
[ 5] 9.00-10.00 sec 710 MBytes 5.96 Gbits/sec 22732
- - - - - - - - - - - - - - - - - - - - - - - - -
Test Complete. Summary Results:
[ ID] Interval Transfer Bandwidth Jitter Lost/Total Datagrams
[ 5] 0.00-10.00 sec 6.91 GBytes 5.94 Gbits/sec 0.133 ms 0/11 (0%)
[ 5] Sent 11 datagrams
CPU Utilization: local/sender 18.7% (3.4%u/15.3%s), remote/receiver 0.0% (0.0%u/0.0%s)
iperf Done.
iperf3.exe -u -c iperf.par2.as49434.net -p 9202 -l 32k -b 10g -R -V --logfile Normal.txt
iperf 3.1.3
CYGWIN_NT-10.0 Quentin-PC 3.3.3(0.341/5/3) 2021-12-03 16:35 x86_64
Time: Fri, 14 Jan 2022 15:49:14 GMT
Connecting to host iperf.par2.as49434.net, port 9202
Reverse mode, remote host iperf.par2.as49434.net is sending
Cookie: Quentin-PC.1642175354.256425.351673c
[ 5] local 2a01:e0a:5f5:4ba0:8981:fc11:811a:eeb8 port 61816 connected to 2a0f:9240:1018::2 port 9202
Starting Test: protocol: UDP, 1 streams, 32768 byte blocks, omitting 0 seconds, 10 second test
[ ID] Interval Transfer Bandwidth Jitter Lost/Total Datagrams
[ 5] 0.00-1.01 sec 0.00 Bytes 0.00 bits/sec 0.000 ms 0/0 (0%)
[ 5] 1.01-2.01 sec 0.00 Bytes 0.00 bits/sec 0.000 ms 0/0 (0%)
[ 5] 2.01-3.01 sec 0.00 Bytes 0.00 bits/sec 0.000 ms 0/0 (0%)
[ 5] 3.01-4.02 sec 0.00 Bytes 0.00 bits/sec 0.000 ms 0/0 (0%)
[ 5] 4.02-5.01 sec 0.00 Bytes 0.00 bits/sec 0.000 ms 0/0 (0%)
[ 5] 5.01-6.01 sec 0.00 Bytes 0.00 bits/sec 0.000 ms 0/0 (0%)
[ 5] 6.01-7.01 sec 0.00 Bytes 0.00 bits/sec 0.000 ms 0/0 (0%)
[ 5] 7.01-8.01 sec 0.00 Bytes 0.00 bits/sec 0.000 ms 0/0 (0%)
[ 5] 8.01-9.01 sec 0.00 Bytes 0.00 bits/sec 0.000 ms 0/0 (0%)
[ 5] 9.01-10.01 sec 0.00 Bytes 0.00 bits/sec 0.000 ms 0/0 (0%)
- - - - - - - - - - - - - - - - - - - - - - - - -
Test Complete. Summary Results:
[ ID] Interval Transfer Bandwidth Jitter Lost/Total Datagrams
[ 5] 0.00-10.01 sec 10.8 GBytes 9.29 Gbits/sec 0.000 ms 0/0 (0%)
[ 5] Sent 0 datagrams
CPU Utilization: local/receiver 0.0% (0.0%u/0.0%s), remote/sender 100.0% (3.7%u/96.3%s)
iperf Done.
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Bonjour Quentinl,
D'abord une remarque de lisibilité, il est préférable de copier ta commande et le résultat dans ton post, en les entourant de balises code, plutôt que de les ajouter en pièce jointe, qu'il faut télécharger et ouvrir. C'est nettement plus simple et plus lisible dans le corps du texte. Comme cela :
iperf3.exe -u -c iperf.par2.as49434.net -p 9202 -l 32k -b 10g -V --logfile Normal.txt
iperf 3.1.3
CYGWIN_NT-10.0 Quentin-PC 3.3.3(0.341/5/3) 2021-12-03 16:35 x86_64
Time: Fri, 14 Jan 2022 15:48:31 GMT
Connecting to host iperf.par2.as49434.net, port 9202
Cookie: Quentin-PC.1642175311.766082.75cd988
[ 5] local 2a01:e0a:5f5:4ba0:8981:fc11:811a:eeb8 port 57552 connected to 2a0f:9240:1018::2 port 9202
Starting Test: protocol: UDP, 1 streams, 32768 byte blocks, omitting 0 seconds, 10 second test
[ ID] Interval Transfer Bandwidth Total Datagrams
[ 5] 0.00-1.00 sec 638 MBytes 5.35 Gbits/sec 20413
[ 5] 1.00-2.00 sec 719 MBytes 6.03 Gbits/sec 23008
[ 5] 2.00-3.00 sec 716 MBytes 6.01 Gbits/sec 22912
[ 5] 3.00-4.00 sec 714 MBytes 5.99 Gbits/sec 22860
[ 5] 4.00-5.00 sec 715 MBytes 6.00 Gbits/sec 22870
[ 5] 5.00-6.00 sec 715 MBytes 5.99 Gbits/sec 22868
[ 5] 6.00-7.00 sec 718 MBytes 6.02 Gbits/sec 22979
[ 5] 7.00-8.00 sec 716 MBytes 6.00 Gbits/sec 22899
[ 5] 8.00-9.00 sec 718 MBytes 6.03 Gbits/sec 22991
[ 5] 9.00-10.00 sec 710 MBytes 5.96 Gbits/sec 22732
- - - - - - - - - - - - - - - - - - - - - - - - -
Test Complete. Summary Results:
[ ID] Interval Transfer Bandwidth Jitter Lost/Total Datagrams
[ 5] 0.00-10.00 sec 6.91 GBytes 5.94 Gbits/sec 0.133 ms 0/11 (0%)
[ 5] Sent 11 datagrams
CPU Utilization: local/sender 18.7% (3.4%u/15.3%s), remote/receiver 0.0% (0.0%u/0.0%s)
iperf Done.
Sinon, tu obtiens à priori 6 Gb/s en download, donc c'est excellent. Tu dois avoir un très bon PC.
Pour le deuxième test, reverse :
iperf3.exe -u -c iperf.par2.as49434.net -p 9202 -l 32k -b 10g -R -V --logfile Normal.txt
iperf 3.1.3
CYGWIN_NT-10.0 Quentin-PC 3.3.3(0.341/5/3) 2021-12-03 16:35 x86_64
Time: Fri, 14 Jan 2022 15:49:14 GMT
Connecting to host iperf.par2.as49434.net, port 9202
Reverse mode, remote host iperf.par2.as49434.net is sending
Cookie: Quentin-PC.1642175354.256425.351673c
[ 5] local 2a01:e0a:5f5:4ba0:8981:fc11:811a:eeb8 port 61816 connected to 2a0f:9240:1018::2 port 9202
Starting Test: protocol: UDP, 1 streams, 32768 byte blocks, omitting 0 seconds, 10 second test
[ ID] Interval Transfer Bandwidth Jitter Lost/Total Datagrams
[ 5] 0.00-1.01 sec 0.00 Bytes 0.00 bits/sec 0.000 ms 0/0 (0%)
[ 5] 1.01-2.01 sec 0.00 Bytes 0.00 bits/sec 0.000 ms 0/0 (0%)
[ 5] 2.01-3.01 sec 0.00 Bytes 0.00 bits/sec 0.000 ms 0/0 (0%)
[ 5] 3.01-4.02 sec 0.00 Bytes 0.00 bits/sec 0.000 ms 0/0 (0%)
[ 5] 4.02-5.01 sec 0.00 Bytes 0.00 bits/sec 0.000 ms 0/0 (0%)
[ 5] 5.01-6.01 sec 0.00 Bytes 0.00 bits/sec 0.000 ms 0/0 (0%)
[ 5] 6.01-7.01 sec 0.00 Bytes 0.00 bits/sec 0.000 ms 0/0 (0%)
[ 5] 7.01-8.01 sec 0.00 Bytes 0.00 bits/sec 0.000 ms 0/0 (0%)
[ 5] 8.01-9.01 sec 0.00 Bytes 0.00 bits/sec 0.000 ms 0/0 (0%)
[ 5] 9.01-10.01 sec 0.00 Bytes 0.00 bits/sec 0.000 ms 0/0 (0%)
- - - - - - - - - - - - - - - - - - - - - - - - -
Test Complete. Summary Results:
[ ID] Interval Transfer Bandwidth Jitter Lost/Total Datagrams
[ 5] 0.00-10.01 sec 10.8 GBytes 9.29 Gbits/sec 0.000 ms 0/0 (0%)
[ 5] Sent 0 datagrams
CPU Utilization: local/receiver 0.0% (0.0%u/0.0%s), remote/sender 100.0% (3.7%u/96.3%s)
iperf Done.
Tu n'as que des zéros à chaque ligne , donc il y a un problème. Et bien sûr, la somme à 9.29 Gb/s est fausse (l'upload est limité à 700 Mb/s chez Free). Je n'ai pas vu quelle était l'erreur dans la commande, mais à priori le débit, ce serait plutôt celui de la connexion entre ton PC et la box...
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Il ne faut pas forcer la bande passante comme ça, ça fausse le résultat en effet.
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J'ai refait les test en enlevant le paramètre "-b 10g" et les résultats sont, comment dire, beaucoup plus faible (sauf en reverse qui lui est toujours en erreur mais avec des résultats différents)
iperf3.exe -u -c iperf.par2.as49434.net -p 9202 -l 32k
iperf 3.1.3
CYGWIN_NT-10.0 Quentin-PC 3.3.3(0.341/5/3) 2021-12-03 16:35 x86_64
Time: Fri, 14 Jan 2022 19:38:57 GMT
Connecting to host iperf.par2.as49434.net, port 9202
Cookie: Quentin-PC.1642189137.087619.2fdbdc5
[ 5] local 2a01:e0a:5f5:4ba0:8981:fc11:811a:eeb8 port 60285 connected to 2a0f:9240:1018::2 port 9202
Starting Test: protocol: UDP, 1 streams, 32768 byte blocks, omitting 0 seconds, 10 second test
[ ID] Interval Transfer Bandwidth Total Datagrams
[ 5] 0.00-1.01 sec 352 KBytes 2.85 Mbits/sec 11
[ 5] 1.01-2.01 sec 320 KBytes 2.61 Mbits/sec 10
[ 5] 2.01-3.01 sec 320 KBytes 2.62 Mbits/sec 10
[ 5] 3.01-4.01 sec 320 KBytes 2.64 Mbits/sec 10
[ 5] 4.01-5.01 sec 320 KBytes 2.62 Mbits/sec 10
[ 5] 5.01-6.01 sec 320 KBytes 2.61 Mbits/sec 10
[ 5] 6.01-7.01 sec 320 KBytes 2.61 Mbits/sec 10
[ 5] 7.01-8.02 sec 320 KBytes 2.62 Mbits/sec 10
[ 5] 8.02-9.00 sec 320 KBytes 2.66 Mbits/sec 10
[ 5] 9.00-10.00 sec 320 KBytes 2.62 Mbits/sec 10
- - - - - - - - - - - - - - - - - - - - - - - - -
Test Complete. Summary Results:
[ ID] Interval Transfer Bandwidth Jitter Lost/Total Datagrams
[ 5] 0.00-10.00 sec 3.16 MBytes 2.65 Mbits/sec 0.289 ms 0/100 (0%)
[ 5] Sent 100 datagrams
CPU Utilization: local/sender 0.0% (0.0%u/0.0%s), remote/receiver 0.1% (0.0%u/0.1%s)
iperf Done.
iperf3.exe -u -c iperf.par2.as49434.net -p 9202 -l 32k -R
iperf 3.1.3
CYGWIN_NT-10.0 Quentin-PC 3.3.3(0.341/5/3) 2021-12-03 16:35 x86_64
Time: Fri, 14 Jan 2022 19:39:27 GMT
Connecting to host iperf.par2.as49434.net, port 9202
Reverse mode, remote host iperf.par2.as49434.net is sending
Cookie: Quentin-PC.1642189167.112332.387c558
[ 5] local 2a01:e0a:5f5:4ba0:8981:fc11:811a:eeb8 port 62746 connected to 2a0f:9240:1018::2 port 9202
Starting Test: protocol: UDP, 1 streams, 32768 byte blocks, omitting 0 seconds, 10 second test
[ ID] Interval Transfer Bandwidth Jitter Lost/Total Datagrams
[ 5] 0.00-1.01 sec 0.00 Bytes 0.00 bits/sec 0.000 ms 0/0 (0%)
[ 5] 1.01-2.01 sec 0.00 Bytes 0.00 bits/sec 0.000 ms 0/0 (0%)
[ 5] 2.01-3.01 sec 0.00 Bytes 0.00 bits/sec 0.000 ms 0/0 (0%)
[ 5] 3.01-4.00 sec 0.00 Bytes 0.00 bits/sec 0.000 ms 0/0 (0%)
[ 5] 4.00-5.00 sec 0.00 Bytes 0.00 bits/sec 0.000 ms 0/0 (0%)
[ 5] 5.00-6.01 sec 0.00 Bytes 0.00 bits/sec 0.000 ms 0/0 (0%)
[ 5] 6.01-7.01 sec 0.00 Bytes 0.00 bits/sec 0.000 ms 0/0 (0%)
[ 5] 7.01-8.01 sec 0.00 Bytes 0.00 bits/sec 0.000 ms 0/0 (0%)
[ 5] 8.01-9.01 sec 0.00 Bytes 0.00 bits/sec 0.000 ms 0/0 (0%)
[ 5] 9.01-10.00 sec 0.00 Bytes 0.00 bits/sec 0.000 ms 0/0 (0%)
- - - - - - - - - - - - - - - - - - - - - - - - -
Test Complete. Summary Results:
[ ID] Interval Transfer Bandwidth Jitter Lost/Total Datagrams
[ 5] 0.00-10.00 sec 1.28 MBytes 1.07 Mbits/sec 0.000 ms 0/0 (0%)
[ 5] Sent 0 datagrams
CPU Utilization: local/receiver 0.0% (0.0%u/0.0%s), remote/sender 2.8% (0.0%u/2.8%s)
iperf Done.
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Rien que pour voir j'ai refait les tests en TCP
iperf3.exe -c iperf.par2.as49434.net -p 9202 -l 32k
Connecting to host iperf.par2.as49434.net, port 9202
[ 4] local 2a01:e0a:5f5:4ba0:8981:fc11:811a:eeb8 port 57033 connected to 2a0f:9240:1018::2 port 9202
[ ID] Interval Transfer Bandwidth
[ 4] 0.00-1.01 sec 3.75 MBytes 31.1 Mbits/sec
[ 4] 1.01-2.00 sec 3.66 MBytes 30.9 Mbits/sec
[ 4] 2.00-3.00 sec 3.72 MBytes 31.2 Mbits/sec
[ 4] 3.00-4.01 sec 3.72 MBytes 31.0 Mbits/sec
[ 4] 4.01-5.00 sec 3.69 MBytes 31.2 Mbits/sec
[ 4] 5.00-6.00 sec 3.69 MBytes 30.9 Mbits/sec
[ 4] 6.00-7.01 sec 3.72 MBytes 31.1 Mbits/sec
[ 4] 7.01-8.01 sec 3.75 MBytes 31.4 Mbits/sec
[ 4] 8.01-9.00 sec 3.66 MBytes 30.8 Mbits/sec
[ 4] 9.00-10.01 sec 3.72 MBytes 31.1 Mbits/sec
- - - - - - - - - - - - - - - - - - - - - - - - -
[ ID] Interval Transfer Bandwidth
[ 4] 0.00-10.01 sec 37.1 MBytes 31.1 Mbits/sec sender
[ 4] 0.00-10.01 sec 37.1 MBytes 31.1 Mbits/sec receiver
iperf Done.
iperf3.exe -c iperf.par2.as49434.net -p 9202 -l 32k -R
Connecting to host iperf.par2.as49434.net, port 9202
Reverse mode, remote host iperf.par2.as49434.net is sending
[ 4] local 2a01:e0a:5f5:4ba0:8981:fc11:811a:eeb8 port 57030 connected to 2a0f:9240:1018::2 port 9202
[ ID] Interval Transfer Bandwidth
[ 4] 0.00-1.01 sec 4.69 MBytes 39.0 Mbits/sec
[ 4] 1.01-2.01 sec 4.17 MBytes 35.1 Mbits/sec
[ 4] 2.01-3.00 sec 4.74 MBytes 39.8 Mbits/sec
[ 4] 3.00-4.00 sec 4.54 MBytes 38.3 Mbits/sec
[ 4] 4.00-5.00 sec 4.92 MBytes 41.2 Mbits/sec
[ 4] 5.00-6.01 sec 4.86 MBytes 40.7 Mbits/sec
[ 4] 6.01-7.01 sec 4.86 MBytes 40.7 Mbits/sec
[ 4] 7.01-8.01 sec 4.61 MBytes 38.6 Mbits/sec
[ 4] 8.01-9.01 sec 4.55 MBytes 38.2 Mbits/sec
[ 4] 9.01-10.01 sec 4.86 MBytes 40.9 Mbits/sec
- - - - - - - - - - - - - - - - - - - - - - - - -
[ ID] Interval Transfer Bandwidth Retr
[ 4] 0.00-10.01 sec 47.3 MBytes 39.7 Mbits/sec 15 sender
[ 4] 0.00-10.01 sec 46.9 MBytes 39.3 Mbits/sec receiver
iperf Done.
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Effectivement, c'est très faible et pas très cohérent. Tu peux essayer avec iperf3.exe -c iperf.online.net -p 5204, chez moi cela donne de mailleurs résultats, même si ce n'est quand même pas extraordinaire.
iperf3.exe -c iperf.online.net -p 5204
Connecting to host iperf.online.net, port 5204
[ 4] local 192.168.0.19 port 8729 connected to 62.210.18.40 port 5204
[ ID] Interval Transfer Bandwidth
[ 4] 0.00-1.00 sec 54.5 MBytes 457 Mbits/sec
[ 4] 1.00-2.00 sec 54.2 MBytes 454 Mbits/sec
[ 4] 2.00-3.00 sec 54.4 MBytes 457 Mbits/sec
[ 4] 3.00-4.00 sec 54.6 MBytes 458 Mbits/sec
[ 4] 4.00-5.00 sec 54.2 MBytes 455 Mbits/sec
[ 4] 5.00-6.00 sec 54.4 MBytes 455 Mbits/sec
[ 4] 6.00-7.00 sec 54.5 MBytes 457 Mbits/sec
[ 4] 7.00-8.00 sec 54.5 MBytes 458 Mbits/sec
[ 4] 8.00-9.00 sec 54.6 MBytes 457 Mbits/sec
[ 4] 9.00-10.00 sec 54.4 MBytes 457 Mbits/sec
- - - - - - - - - - - - - - - - - - - - - - - - -
[ ID] Interval Transfer Bandwidth
[ 4] 0.00-10.00 sec 544 MBytes 457 Mbits/sec sender
[ 4] 0.00-10.00 sec 544 MBytes 457 Mbits/sec receiver
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Ci joint les résultats avec la commande iperf3.exe -c iperf.online.net -p 5204
Connecting to host iperf.online.net, port 5204
[ 4] local 192.168.0.2 port 49830 connected to 62.210.18.40 port 5204
[ ID] Interval Transfer Bandwidth
[ 4] 0.00-1.00 sec 5.00 MBytes 41.9 Mbits/sec
[ 4] 1.00-2.00 sec 4.88 MBytes 40.9 Mbits/sec
[ 4] 2.00-3.01 sec 4.88 MBytes 40.7 Mbits/sec
[ 4] 3.01-4.00 sec 4.75 MBytes 40.0 Mbits/sec
[ 4] 4.00-5.01 sec 4.88 MBytes 40.8 Mbits/sec
[ 4] 5.01-6.01 sec 4.88 MBytes 40.8 Mbits/sec
[ 4] 6.01-7.00 sec 4.62 MBytes 39.0 Mbits/sec
[ 4] 7.00-8.01 sec 5.00 MBytes 41.6 Mbits/sec
[ 4] 8.01-9.01 sec 4.75 MBytes 40.0 Mbits/sec
[ 4] 9.01-10.00 sec 5.00 MBytes 42.0 Mbits/sec
- - - - - - - - - - - - - - - - - - - - - - - - -
[ ID] Interval Transfer Bandwidth
[ 4] 0.00-10.00 sec 48.6 MBytes 40.8 Mbits/sec sender
[ 4] 0.00-10.00 sec 48.5 MBytes 40.6 Mbits/sec receiver
iperf Done.
Ce que j'ai remarqué c'est que sans les paramètres "-b 10g" et "-u", je ne dépasse jamais les 40mbits
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Et si tu fais un test avec Nperf, tout simplement, cela donne quoi ?
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Voila ce que j’obtiens en utilisant l'application Windows
(https://pic.nperf.com/r/3363300801147760-zqgb4p8h.png)
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Oui, donc grosse différence avec iperf3, et résultat cohérent avec une Delta. C'est à peu près ce que j'obtiens aussi. Là, le test iperf ne semble pas très fiable. A cause du serveur ?
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Sur tous les serveurs où j'ai testé j’obtiens la même chose en fonction de la commande utilisée