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Ace_Card's avatar
Ace_Card
Aspirant
Sep 06, 2025
Solved

CM2050V - Latest Firmware Preventing 2.5 Gbps Passthrough on Ethernet Port

Hello all, and specifically to the moderator,   I'm reporting a potential firmware or hardware version defect where the native Ethernet port fails to pass through 2.5 Gbps speeds to the LAN, with f...
  • Ace_Card's avatar
    Sep 17, 2025

    Thank you all for your helpful input and suggestions!

     

    I wanted to share that my issue is now resolved.

     

    Initially, getting support from Netgear for my out-of-warranty modem was challenging, especially for what seemed like an "ISP-side firmware" issue. I couldn’t open a case via phone or chat without purchasing a support plan, which was frustrating. So, I turned to my ISP for help.

     

    I connected with an upper tier technician who, despite initially pointing to the modem vendor (since it’s customer owned), worked with me to troubleshoot the issue. After another reset/refresh on their end, the ethernet port finally was able to deliver the 2.5 gig expected speed (1900 to 2100 Mbps).