Virtual network device and related method

A method for implementing load sharing in a virtual network device, wherein the virtual network device is configured to implement a broadband network gateway (BNG) function, and the virtual network device comprises a load balance unit, a first control unit and a first forwarding unit;

• and
• the method comprises:
• receiving, by the load balance unit, a first get-online request packet from a first user terminal;
• sending, by the load balance unit, the first get-online request packet to the first control unit;
• obtaining, by the first control unit, a first correspondence based on the get-online request packet, wherein the first correspondence indicates mapping from the first user terminal to the first forwarding unit;
• sending, by the first control, unit the first correspondence to the load balance unit;
• receiving, by the load balance unit, a first data packet from the first user terminal;
• determining, by the load balance unit, the first forwarding unit according to the first data packet and the first correspondence;
• sending, by the load balance unit, the first data packet to the first forwarding unit;
• and
• receiving and forwarding, by the first forwarding unit, the first data packet.