AX6 Modem router combo (DOCSIS 3.1 32x8) only has 30 channels downstream and 3 channels upstream

[BillPutnam]

This is a powerful modem but it is not meeting its claimed bandwidth. Are the numbers of bonded channels selectable or driven by some other parameter (like SNR)?

[plemans]

We need more info. 

1. What actual device do you have? 

2. Do you have a screen snip of the cable connections page and the event logs? 

3. What speeds do you pay for? 

4. What speeds do you get hardwired in? 

5. Who's your isp?