| 摘要 |
<p>A communication device including a plurality of network interfaces includes: an interface management table representing a priority of each network interface, an address assignment protocol to be used in IP address assignment to each network interface, and an IP address assignment status with respect to each network interface; a protocol management table managing a priority of an address assignment protocol to be used in IP address assignment; and an address management unit performing a process of determining availability/unavailability of an IP address, a process of determining necessity of an IP-address reassignment operation, and a process of determining an IP address to be released when it is determined that an IP-address reassignment operation is required, based on the interface management table and the protocol management table, when an IP address is assigned to any one of the network interfaces from an address assignment device.</p> |
