@MR.S The problem is that Starlink doesn't have any option to limit the data at all. I just checked it, and it provides very few and poor options.

Hello all, I have an ER605 Omada Gigabit Multi-WAN VPN Router. On my WAN Interface I have a local carrier (Telmex). On my WAN/LAN1 Interface I have Starlink. I have now moved my Starlink service to...