Patent ID: 11902183
Assignee: HUAWEI TECHNOLOGIES CO., LTD.
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 20:
21. An access apparatus comprising:
a non-transitory computer-readable storage medium configured to store programming instructions; and
a processor coupled to the non-transitory computer-readable storage medium and configured to execute the programming instructions to cause the access apparatus to:
receive, from a user, a second message comprising a Dynamic Host Configuration Protocol (DHCP) message or a router solicitation (RS) message;
obtain a first message based on the second message, wherein the first message comprises the second message and a first identifier corresponding to a line identifier, whereinand wherein the first identifier comprises a tunnel identifier, a medium access control (MAC) address of an access node, or an Internet Protocol (IP) address of the access node;
send, to an access controller, the first message;
receive, from the access controller, a third message comprising the first identifier and a fourth message, wherein the fourth message comprises an IP address prefix; and
send, to the user based on the line identifier, the fourth message.