computer as server
EA8500 as client

mrjcd@Deb:~$ ssh root@ea8500.mrjcd.com
DD-WRT v3.0-r42872 std (c) 2020 NewMedia-NET GmbH
Release: 04/10/20
Board: Linksys EA8500
==========================================================
 
     ___  ___     _      _____  ______       ____  ___ 
    / _ \/ _ \___| | /| / / _ \/_  __/ _  __|_  / / _ \
   / // / // /___/ |/ |/ / , _/ / /   | |/ //_ <_/ // /
  /____/____/    |__/|__/_/|_| /_/    |___/____(_)___/ 
                                                     
                       DD-WRT v3.0
                   http://www.dd-wrt.com
 
==========================================================


BusyBox v1.31.1 (2020-04-10 03:41:42 +03) built-in shell (ash)

root@EA8500:~# iperf3 -c deb.mrjcd.com
Connecting to host deb.mrjcd.com, port 5201
[  5] local 10.72.28.52 port 43998 connected to 10.72.28.3 port 5201
[ ID] Interval           Transfer     Bitrate         Retr  Cwnd
[  5]   0.00-1.00   sec  2.47 MBytes  20.7 Mbits/sec    0   17.0 KBytes       
[  5]   1.00-2.00   sec  2.40 MBytes  20.2 Mbits/sec    0   17.0 KBytes       
[  5]   2.00-3.00   sec  2.35 MBytes  19.7 Mbits/sec    0   17.0 KBytes       
[  5]   3.00-4.00   sec  2.40 MBytes  20.2 Mbits/sec    0   17.0 KBytes       
[  5]   4.00-5.00   sec  2.46 MBytes  20.6 Mbits/sec    0   17.0 KBytes       
[  5]   5.00-6.00   sec  2.43 MBytes  20.4 Mbits/sec    0   17.0 KBytes       
[  5]   6.00-7.00   sec  2.43 MBytes  20.4 Mbits/sec    0   17.0 KBytes       
[  5]   7.00-8.00   sec  2.43 MBytes  20.4 Mbits/sec    0   17.0 KBytes       
[  5]   8.00-9.00   sec  2.43 MBytes  20.4 Mbits/sec    0   17.0 KBytes       
[  5]   9.00-10.00  sec  2.43 MBytes  20.4 Mbits/sec    0   17.0 KBytes       
- - - - - - - - - - - - - - - - - - - - - - - - -
[ ID] Interval           Transfer     Bitrate         Retr
[  5]   0.00-10.00  sec  24.2 MBytes  20.3 Mbits/sec    0             sender
[  5]   0.00-10.06  sec  24.2 MBytes  20.2 Mbits/sec                  receiver

iperf Done.
root@EA8500:~# iperf3 -c deb.mrjcd.com -R
Connecting to host deb.mrjcd.com, port 5201
Reverse mode, remote host deb.mrjcd.com is sending
[  5] local 10.72.28.52 port 44002 connected to 10.72.28.3 port 5201
[ ID] Interval           Transfer     Bitrate
[  5]   0.00-1.00   sec   109 MBytes   918 Mbits/sec                  
[  5]   1.00-2.00   sec   112 MBytes   939 Mbits/sec                  
[  5]   2.00-3.00   sec   112 MBytes   939 Mbits/sec                  
[  5]   3.00-4.00   sec   112 MBytes   939 Mbits/sec                  
[  5]   4.00-5.00   sec   112 MBytes   939 Mbits/sec                  
[  5]   5.00-6.00   sec   112 MBytes   939 Mbits/sec                  
[  5]   6.00-7.00   sec   109 MBytes   917 Mbits/sec                  
[  5]   7.00-8.00   sec   112 MBytes   939 Mbits/sec                  
[  5]   8.00-9.00   sec   112 MBytes   939 Mbits/sec                  
[  5]   9.00-10.00  sec   112 MBytes   939 Mbits/sec                  
- - - - - - - - - - - - - - - - - - - - - - - - -
[ ID] Interval           Transfer     Bitrate         Retr
[  5]   0.00-10.04  sec  1.09 GBytes   933 Mbits/sec    0             sender
[  5]   0.00-10.00  sec  1.09 GBytes   935 Mbits/sec                  receiver

iperf Done.
root@EA8500:~# date
Sun Apr 12 17:56:10 CDT 2020
root@EA8500:~# exit
Connection to ea8500.mrjcd.com closed.
mrjcd@Deb:~$