Free Sflow Collector [best] ⭐ Direct Link
# Check if sFlow packets arrive sudo tcpdump -i eth0 udp port 6343 -c 10 show sflow
sudo apt install sflowtool sflowtool -p 6343 -l | tee /var/log/sflow.log Pipe to custom parser (e.g., Python): free sflow collector
Create database:
sflowtool -p 6343 | python3 my_analyzer.py Example Python snippet: # Check if sFlow packets arrive sudo tcpdump