Patent attributes
An example network device determines to assign a number of global Internet protocol (IP) addresses to respective network interfaces, determines a subnetwork for the network interfaces, determines a prefix corresponding to the subnetwork, determines a first global IP address having the prefix, determines a range value that is equal to or greater than the number of global IP addresses, generates a message according to Duplicate Address Detection Protocol (DAD) including data indicating that the message includes a range of addresses, the data further indicating the first global IP address and the range value, and sends the message according to DAD to one or more host network devices to determine whether any global IP address in a range starting with the first global IP address and through the range value is in use by the one or more host network devices.
