The port is forwarded from your router to the pi, right? If so, you could test for the router as the bottleneck using the router’s WAN side IP address as the target.
This should give you a good data point for comparison. If it’s also slow then you can focus on the router performance. Some are slow when doing hairpin NAT.
The port is forwarded from your router to the pi, right? If so, you could test for the router as the bottleneck using the router’s WAN side IP address as the target.
This should give you a good data point for comparison. If it’s also slow then you can focus on the router performance. Some are slow when doing hairpin NAT.