Cisco Systems Huawei Technologies France Telecom This document specifies a new Remote Authentication Dial In User Service (RADIUS) attribute to carry a Port Control Protocol (PCP) Server Names. This attribute can be configured on a RADIUS server so that the information can be conveyed to Network Access Server (NAS) via RADIUS protocol, and the co-located Dynamic Host Configuration Protocol (DHCP/DHCPv6) server can then populate the information to PCP client.