grep -w 80 /etc/services
port 80 is open.
grep -w 5001 /etc/services
Port 5001 is closed. The port was not open. Open the port on both hosts:
sudo ufw allow 5001/tcp
On server side : iperf3 -s We are getting :
-----------------------------------------------------------
Server listening on 5201 (test #1)
-----------------------------------------------------------
On client side : iperf3 -c 134.197.113.78
Connecting to host 134.197.113.78, port 5201
[ 5] local 134.197.113.68 port 42544 connected to 134.197.113.78 port 5201
[ ID] Interval Transfer Bitrate Retr Cwnd
[ 5] 0.00-1.00 sec 37.8 MBytes 317 Mbits/sec 1326 1.45 MBytes
[ 5] 1.00-2.00 sec 12.5 MBytes 105 Mbits/sec 2207 1.72 MBytes
[ 5] 2.00-3.00 sec 12.5 MBytes 105 Mbits/sec 2978 1.91 MBytes
[ 5] 3.00-4.00 sec 13.8 MBytes 115 Mbits/sec 3995 2.17 MBytes
[ 5] 4.00-5.00 sec 13.8 MBytes 115 Mbits/sec 4230 2.36 MBytes
[ 5] 5.00-6.00 sec 15.0 MBytes 126 Mbits/sec 5243 2.59 MBytes
[ 5] 6.00-7.00 sec 15.0 MBytes 126 Mbits/sec 6477 2.81 MBytes
[ 5] 7.00-8.00 sec 17.5 MBytes 147 Mbits/sec 6973 3.02 MBytes
[ 5] 8.00-9.00 sec 16.2 MBytes 136 Mbits/sec 7100 3.25 MBytes
[ 5] 9.00-10.00 sec 18.8 MBytes 157 Mbits/sec 9219 3.46 MBytes
- - - - - - - - - - - - - - - - - - - - - - - - -
[ ID] Interval Transfer Bitrate Retr
[ 5] 0.00-10.00 sec 173 MBytes 145 Mbits/sec 49748 sender
[ 5] 0.00-10.00 sec 164 MBytes 138 Mbits/sec receiver
iperf Done.
If ARP protocol is not implemented than iperf and ping will not work.