That is a red flag. All major ISPs must support firmware for any DOCSIS-certified modem on their network. File an FCC complaint or switch to an ISP that respects the law (specifically, the FCC’s "Customer-Owned Modem" ruling).
Connect a computer directly to the modem's LAN port using an Ethernet cable. motorola mb8611 firmware
If your modem is dropping connections or cycling power, you can use these actionable troubleshooting steps before calling your ISP. 1. Power Cycle the Entire Network That is a red flag
1 x 2.5 Gbps LAN port (supports multi-gig plans) Common Firmware Versions motorola mb8611 firmware