Io ci sto giusto provando e mi pare che riesca a gestirlo sai...

A livello di performance ci riesce, il vero problema è che non è una soluzione definitiva ai problemi del sercomm. Ne mitiga i problemi ma non è una soluzione definitiva.
Speedtest su Miami 14237
SQM ON - Upload limit 900 Mbit/s
root@GL-MT6000:~# ./speedtest -s 14237
Speedtest by Ookla
Server: Frontier - Miami, FL (id: 14237)
ISP: TIM
Idle Latency: 120.97 ms (jitter: 0.10ms, low: 120.80ms, high: 121.09ms)
Download: 1181.44 Mbps (data used: 1.8 GB)
185.99 ms (jitter: 60.29ms, low: 120.91ms, high: 602.09ms)
Upload: 490.32 Mbps (data used: 840.0 MB)
197.41 ms (jitter: 61.88ms, low: 130.17ms, high: 281.82ms)
Packet Loss: 0.0%
Result URL: https://www.speedtest.net/result/c/df4092eb-a6e6-4822-8879-6ced3e2c452a
SQM OFF
root@GL-MT6000:~# ./speedtest -s 14237
Speedtest by Ookla
Server: Frontier - Miami, FL (id: 14237)
ISP: TIM
Idle Latency: 128.93 ms (jitter: 0.04ms, low: 128.91ms, high: 128.97ms)
Download: 1358.94 Mbps (data used: 2.2 GB)
196.54 ms (jitter: 62.75ms, low: 129.87ms, high: 690.84ms)
Upload: 198.38 Mbps (data used: 361.7 MB)
195.19 ms (jitter: 61.67ms, low: 129.83ms, high: 261.76ms)
Packet Loss: 0.0%
Result URL: https://www.speedtest.net/result/c/c23e74da-d1d1-49dd-a66b-96747cbf4c93