@MilesTEG1
J'ai pris un moment pour vérifier. C'est quasi symétrique chez moi entre DS220+ et DS218+:
root@DS220:~# iperf3 -c 192.168.1.15 -t 20 -R
Connecting to host 192.168.1.15, port 5201
Reverse mode, remote host 192.168.1.15 is sending
[ 5] local 192.168.1.10 port 57614 connected to 192.168.1.15 port 5201
[ ID] Interval Transfer Bitrate
[ 5] 0.00-1.00 sec 274 MBytes 2.30 Gbits/sec
[ 5] 1.00-2.00 sec 279 MBytes 2.34 Gbits/sec
[ 5] 2.00-3.00 sec 281 MBytes 2.35 Gbits/sec
etc..............
[ 5] 17.00-18.00 sec 281 MBytes 2.35 Gbits/sec
[ 5] 18.00-19.00 sec 281 MBytes 2.35 Gbits/sec
[ 5] 19.00-20.00 sec 281 MBytes 2.35 Gbits/sec
- - - - - - - - - - - - - - - - - - - - - - - - -
[ ID] Interval Transfer Bitrate Retr
[ 5] 0.00-20.00 sec 5.47 GBytes 2.35 Gbits/sec 0 sender
[ 5] 0.00-20.00 sec 5.47 GBytes 2.35 Gbits/sec receiver
iperf Done.
root@DS220:~# iperf3 -c 192.168.1.15 -t 20
Connecting to host 192.168.1.15, port 5201
[ 5] local 192.168.1.10 port 57650 connected to 192.168.1.15 port 5201
[ ID] Interval Transfer Bitrate Retr Cwnd
[ 5] 0.00-1.00 sec 280 MBytes 2.35 Gbits/sec 0 867 KBytes
[ 5] 1.00-2.00 sec 281 MBytes 2.36 Gbits/sec 0 1.08 MBytes
[ 5] 2.00-3.00 sec 280 MBytes 2.35 Gbits/sec 0 1.31 MBytes
etc.....................
[ 5] 17.00-18.00 sec 281 MBytes 2.36 Gbits/sec 0 921 KBytes
[ 5] 18.00-19.00 sec 280 MBytes 2.35 Gbits/sec 0 1014 KBytes
[ 5] 19.00-20.00 sec 278 MBytes 2.33 Gbits/sec 0 1.19 MBytes
- - - - - - - - - - - - - - - - - - - - - - - - -
[ ID] Interval Transfer Bitrate Retr
[ 5] 0.00-20.00 sec 5.46 GBytes 2.35 Gbits/sec 4 sender
[ 5] 0.00-20.00 sec 5.46 GBytes 2.35 Gbits/sec receiver
iperf Done.
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
root@DS218:~# iperf3 -c 192.168.1.10 -t 20 -R
Connecting to host 192.168.1.10, port 5201
Reverse mode, remote host 192.168.1.10 is sending
[ 5] local 192.168.1.15 port 37304 connected to 192.168.1.10 port 5201
[ ID] Interval Transfer Bitrate
[ 5] 0.00-1.00 sec 277 MBytes 2.32 Gbits/sec
[ 5] 1.00-2.00 sec 280 MBytes 2.35 Gbits/sec
[ 5] 2.00-3.00 sec 280 MBytes 2.35 Gbits/sec
etc.................................
[ 5] 17.00-18.00 sec 278 MBytes 2.33 Gbits/sec
[ 5] 18.00-19.00 sec 279 MBytes 2.34 Gbits/sec
[ 5] 19.00-20.00 sec 280 MBytes 2.35 Gbits/sec
- - - - - - - - - - - - - - - - - - - - - - - - -
[ ID] Interval Transfer Bitrate Retr
[ 5] 0.00-20.02 sec 5.45 GBytes 2.34 Gbits/sec 6 sender
[ 5] 0.00-20.00 sec 5.45 GBytes 2.34 Gbits/sec receiver
iperf Done.
root@DS218:~# iperf3 -c 192.168.1.10 -t 20
Connecting to host 192.168.1.10, port 5201
[ 5] local 192.168.1.15 port 37322 connected to 192.168.1.10 port 5201
[ ID] Interval Transfer Bitrate Retr Cwnd
[ 5] 0.00-1.00 sec 278 MBytes 2.33 Gbits/sec 0 713 KBytes
[ 5] 1.00-2.00 sec 280 MBytes 2.35 Gbits/sec 0 954 KBytes
[ 5] 2.00-3.00 sec 280 MBytes 2.35 Gbits/sec 0 1003 KBytes
etc...............................
[ 5] 17.00-18.00 sec 280 MBytes 2.35 Gbits/sec 0 1.25 MBytes
[ 5] 18.00-19.00 sec 280 MBytes 2.35 Gbits/sec 0 2.80 MBytes
[ 5] 19.00-20.00 sec 281 MBytes 2.36 Gbits/sec 0 2.80 MBytes
- - - - - - - - - - - - - - - - - - - - - - - - -
[ ID] Interval Transfer Bitrate Retr
[ 5] 0.00-20.00 sec 5.47 GBytes 2.35 Gbits/sec 0 sender
[ 5] 0.00-20.02 sec 5.47 GBytes 2.35 Gbits/sec receiver
iperf Done.