Residential gateway IP prefix renewal after re-registration

A residential gateway to facilitate network access to a network, the residential gateway comprising:

• at least one processor;
• and
• at least one memory storing instructions that, when executed by the at least one processor, cause the residential gateway to
• communicate packet data for IP services being provided to an end user device and the network, the end user device having been assigned an IP address based on a first IP prefix assigned to the residential gateway,
• receive a request to re-register the residential gateway from the network,
• re-register the residential gateway with the network,
• receive a second IP prefix assigned to the residential gateway after re-registering the residential gateway with the network, the second IP prefix being a replacement IP prefix for the first IP prefix, and
• notify the end user device that the IP address assigned to the end user device is no longer valid based on receipt of the second IP prefix.

A non-transitory computer-readable storage medium storing computer executable instructions that, when executed by at least one processor at a residential gateway, cause the residential gateway to perform a method for facilitating network access to a network, via the residential gateway, the method comprising:

• communicating, by the residential gateway, packet data for IP services being provided to an end user device and the network, the end user device having been assigned an IP address based on a first IP prefix assigned to the residential gateway;
• receiving, at the residential gateway, a request to re-register the residential gateway from the network;
• re-registering the residential gateway with the network;
• receiving, at the residential gateway, a second IP prefix assigned to the residential gateway after the re-registering of the residential gateway with the network, the second IP prefix being a replacement IP prefix for the first IP prefix;
• and
• notifying, by the residential gateway, the end user device that the IP address assigned to the end user device is no longer valid based on receipt of the second IP prefix.