Method of configuring network device

A method of configuring a network device based on an easy configuration protocol. The method includes: sending a discovery packet to discover the network device, wherein the discovery packet includes a port number, and a destination address for broadcasting; then, receiving a response packet if the network device recognizes the discovery packet and if the port number of the network device is the same as indicated by the discovery packet; sending a query packet to query management information; and sending a setting packet having a plurality of attributes to set the network device.