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I believe it's pretty common for the customer equipment to be updated by the ISP. I have an old modem-only Scientific Atlanta modem. If I start it up on Comcast
by hackmiester 12y ago
I believe it's pretty common for the customer equipment to be updated by the ISP. I have an old modem-only Scientific Atlanta modem. If I start it up on Comcast, the web GUI gets rebranded to Cisco, who now own SA. If I start it on WideOpenWest, it isn't rebranded anymore, it says Scientific Atlanta on the web GUI again.
- uxp 12y agoFor DOCSIS modems, they are only updatable and configurable via the ISP. When you connect and power on your cable modem, it requests a configuration file from someplace upstream. That config file contains the firmware version that is compatible with both the network and the modem, and if they don't match then it'll either ask upstream for a new firmware image or fail to connect to the network. Any configuration done by an end user is limited to the LAN portion of the network. WAN should be cut off entirely.