iperf3っていうコマンドで図ることができるよ。
#インストール
[root@LinuxServer ~]# yum -y install iperf3
#受け側サーバで実行
[root@LinuxServer ~]# iperf3 -s
-----------------------------------------------------------
Server listening on 5201
-----------------------------------------------------------
#送り側サーバで実行
#10秒間で12GB送信でき、平均10.3 Gbits/secという意味のよう
#ちなみにESXi上の仮想マシン同士で接続されているルータは10GBPS対応
[root@HYPERION ~]# iperf3 -c 192.168.0.86
Connecting to host 192.168.0.86, port 5201
[ 4] local 192.168.0.45 port 51070 connected to 192.168.0.86 port 5201
[ ID] Interval Transfer Bandwidth Retr Cwnd
[ 4] 0.00-1.00 sec 992 MBytes 8.32 Gbits/sec 382 389 KBytes
[ 4] 1.00-2.00 sec 1.26 GBytes 10.8 Gbits/sec 435 556 KBytes
[ 4] 2.00-3.00 sec 1.25 GBytes 10.7 Gbits/sec 488 609 KBytes
[ 4] 3.00-4.00 sec 1.19 GBytes 10.2 Gbits/sec 458 321 KBytes
[ 4] 4.00-5.00 sec 1.22 GBytes 10.5 Gbits/sec 371 335 KBytes
[ 4] 5.00-6.00 sec 1.23 GBytes 10.6 Gbits/sec 499 414 KBytes
[ 4] 6.00-7.00 sec 1.23 GBytes 10.6 Gbits/sec 544 438 KBytes
[ 4] 7.00-8.00 sec 1.21 GBytes 10.4 Gbits/sec 598 578 KBytes
[ 4] 8.00-9.00 sec 1.26 GBytes 10.8 Gbits/sec 451 505 KBytes
[ 4] 9.00-10.00 sec 1.21 GBytes 10.4 Gbits/sec 471 518 KBytes
- - - - - - - - - - - - - - - - - - - - - - - - -
[ ID] Interval Transfer Bandwidth Retr
[ 4] 0.00-10.00 sec 12.0 GBytes 10.3 Gbits/sec 4697 sender
[ 4] 0.00-10.00 sec 12.0 GBytes 10.3 Gbits/sec receiver
iperf Done.
#10GBPS出ている
[root@HYPERION ~]# ethtool ens192 | grep Speed
Speed: 10000Mb/s
おまけ
ESXi上の仮想マシンに対して、ノートPCのCentOSから送ってみる。
[root@AZRAEL ~]# iperf3 -c 192.168.0.86
Connecting to host 192.168.0.86, port 5201
[ 4] local 192.168.0.36 port 47506 connected to 192.168.0.86 port 5201
[ ID] Interval Transfer Bandwidth Retr Cwnd
[ 4] 0.00-1.00 sec 112 MBytes 941 Mbits/sec 0 239 KBytes
[ 4] 1.00-2.00 sec 112 MBytes 937 Mbits/sec 0 252 KBytes
[ 4] 2.00-3.00 sec 112 MBytes 936 Mbits/sec 0 252 KBytes
[ 4] 3.00-4.00 sec 111 MBytes 934 Mbits/sec 0 279 KBytes
[ 4] 4.00-5.00 sec 111 MBytes 935 Mbits/sec 0 294 KBytes
[ 4] 5.00-6.00 sec 111 MBytes 931 Mbits/sec 0 324 KBytes
[ 4] 6.00-7.00 sec 112 MBytes 936 Mbits/sec 0 324 KBytes
[ 4] 7.00-8.00 sec 111 MBytes 933 Mbits/sec 0 324 KBytes
[ 4] 8.00-9.00 sec 112 MBytes 941 Mbits/sec 0 433 KBytes
[ 4] 9.00-10.00 sec 111 MBytes 934 Mbits/sec 0 472 KBytes
- - - - - - - - - - - - - - - - - - - - - - - - -
[ ID] Interval Transfer Bandwidth Retr
[ 4] 0.00-10.00 sec 1.09 GBytes 936 Mbits/sec 0 sender
[ 4] 0.00-10.00 sec 1.09 GBytes 935 Mbits/sec receiver
iperf Done.
[root@AZRAEL ~]# ethtool enp9s0 | grep Speed
Speed: 1000Mb/s