Just want to confirm that 940 Mbits/s is "normal" for a gigabit switch?
iperf3 -c 192.168.10.78
Connecting to host 192.168.10.78, port 5201
[ 5] local 192.168.10.154 port 60278 connected to 192.168.10.78 port 5201
[ ID] Interval Transfer Bitrate
[ 5] 0.00-1.00 sec 112 MBytes 939 Mbits/sec
[ 5] 1.00-2.00 sec 112 MBytes 941 Mbits/sec
[ 5] 2.00-3.00 sec 112 MBytes 940 Mbits/sec
[ 5] 3.00-4.00 sec 112 MBytes 940 Mbits/sec
[ 5] 4.00-5.00 sec 112 MBytes 940 Mbits/sec
[ 5] 5.00-6.00 sec 112 MBytes 940 Mbits/sec
[ 5] 6.00-7.00 sec 112 MBytes 940 Mbits/sec
[ 5] 7.00-8.00 sec 112 MBytes 940 Mbits/sec
[ 5] 8.00-9.00 sec 112 MBytes 940 Mbits/sec
[ 5] 9.00-10.00 sec 112 MBytes 940 Mbits/sec
- - - - - - - - - - - - - - - - - - - - - - - - -
[ ID] Interval Transfer Bitrate
[ 5] 0.00-10.00 sec 1.09 GBytes 940 Mbits/sec sender
[ 5] 0.00-10.00 sec 1.09 GBytes 939 Mbits/sec receiver
iperf Done.
iperf3 -c 192.168.10.78
Connecting to host 192.168.10.78, port 5201
[ 5] local 192.168.10.154 port 60278 connected to 192.168.10.78 port 5201
[ ID] Interval Transfer Bitrate
[ 5] 0.00-1.00 sec 112 MBytes 939 Mbits/sec
[ 5] 1.00-2.00 sec 112 MBytes 941 Mbits/sec
[ 5] 2.00-3.00 sec 112 MBytes 940 Mbits/sec
[ 5] 3.00-4.00 sec 112 MBytes 940 Mbits/sec
[ 5] 4.00-5.00 sec 112 MBytes 940 Mbits/sec
[ 5] 5.00-6.00 sec 112 MBytes 940 Mbits/sec
[ 5] 6.00-7.00 sec 112 MBytes 940 Mbits/sec
[ 5] 7.00-8.00 sec 112 MBytes 940 Mbits/sec
[ 5] 8.00-9.00 sec 112 MBytes 940 Mbits/sec
[ 5] 9.00-10.00 sec 112 MBytes 940 Mbits/sec
- - - - - - - - - - - - - - - - - - - - - - - - -
[ ID] Interval Transfer Bitrate
[ 5] 0.00-10.00 sec 1.09 GBytes 940 Mbits/sec sender
[ 5] 0.00-10.00 sec 1.09 GBytes 939 Mbits/sec receiver
iperf Done.