+----+ +----+ +----+
| h1 +-------+ s1 +---------+ h2 |
+----+ +----+ +----+
The program simply forwards packets form ports 1 to 2 and viceversa.
To start the topology with the P4 switches:
sudo p4run
Run the receiving script at h2:
mx2
python receive.py
Send packets from h1:
mx h1
python send_receive.py 10.0.1.2 "hi h2"