@Baric wrote: The USB port on the Xfinity Wireless Gateways is disabled and "for future use" only. And most usb to ethernet adapters are for network connectivity, not connecting USB hard drives. So no, it's not possible. If you have a external USB hard drive, then you need to host it somewhere that knows what to do with such a device, like your computer or one of the better consumer routers. I too, am a Network Professional. I am CCNA Certificate Trained, but I haven't taken my exam yet. As I posted to an earlier comment, the USB ports are not completely disabled, but can provied power. To use a better word, they are "Closed". To open them, it would only be a simple matter for a Comcast Tech to remote into the device and "Open" them. In most layer 2 devices, ports are closed by default and have to be opened in order for someone to access them. Any Network Admin worth they're salt will close off all unused opened ports to prevent unauthorized access to the network. This device is a multi-layer device, part Layer 3/Router and part Layer 2/Switch. The RJ-45 ports are on the Layer 3 level which mean they have to pass through the Router. This provides some protection against unauthorized access. The USB ports are most likely on the Layer 2 level which means are completely pass through hardware, (if open) and they would give someone the ability to gain access to the network even if the firewall was set to prevent anyone from accessing the network. I still can't understand why they have don't provide the customer with a means to access these USB ports. I have a Cisco DPC3939 which has 2 USB ports for connecting a printer or NAS Device. I'm a little perturbed at the fact that Comcast is charging there customers that much money for a service that they can most likely do in the time it take them to put in the service order, with out even going on-site! I hate contacting Comcast over stuff like this. Most of their agents don't know the first thing about Networking and treat you like an idi*t when ever you call. It usually takes about 30 minutes before they realize that they can't help with the problem and send me to someone you might.
... View more
@Baric wrote: The USB port on the SMCD3GNV is inactive and "for future use" according to the Comcast provided manual. The Comcast firmware load doesn't implement that feature. Sorry. Correction: The USB ports are not completely inactive. They will not allow any communication with an external device, however, they are active. What does this mean? It means that althought you can not use them to connect an external device such as a printer or hard drive, they will provide power for charging a device like a phone or mp3 player. Just plug the USB cable in and connect your device.
... View more