Patent ID: 7656873
Filing Date: 2010-02-02
Classification: H04L,H04W

Abstract:
1. A method of obtaining access location information, comprising the following steps: putting a Dynamic Host Configuration Protocol (DHCP) option into a DHCP response message when a user terminal accesses a network and sends a request message, wherein the DHCP option is configured to carry access location information of the network, and is obtained by adding a new DHCP option or redefining an existing DHCP option; receiving the DHCP option at the user terminal and obtaining the access location information from said DHCP option, wherein the access location information comprises one or more of the following: an access operator identifier, a user access network identifier, an identifier or address of the Network Attachment Subsystem in the user access network, an identifier or address of the Connectivity Session Location and Repository Function of the user access network, an identifier or address of broadband remote access server to which the user accesses, an identifier or address of the access equipment which the user accesses, an identifier of the physical line and logical link which the user accesses.