A base station, comprising: a first sending module, configured to send an Internet Protocol, IP, query request to a router so that the router is able to send the IP query request to a server, for allocating a formal IP address for the base station, wherein the IP query request comprises identification information of the base station and a temporary IP address of the base station; a first receiving module, configured to receive an IP query request response that is forwarded by the router to the base station according to the temporary IP address, wherein the IP query request response carries the formal IP address that is allocated by the server to the base station according to the identification information of the base station; characterized by comprising a second sending module, configured to send a provisioning request to the router so that the router is able to send the provisioning request to the server, wherein the provisioning request carries the formal IP address; and a second receiving module, configured to receive a provisioning response that is forwarded by the router to the base station according to the formal IP address, wherein the provisioning response carries a base station start parameter that is configured by the server for the base station, wherein the first receiving module is further configured to: before the first sending module sends the IP query request to the router, receive a first Address Resolution Protocol, ARP, request sent by the router, wherein the first ARP request carries an IP address and a Media Access Control, MAC, address that are of the router; determine, according to the IP address of the router, a network segment in which the base station is located; and select according to the network segment, the temporary IP address corresponding to the network segment. a first sending module, configured to send an Internet Protocol, IP, query request to a router so that the router is able to send the IP query request to a server, for allocating a formal IP address for the base station, wherein the IP query request comprises identification information of the base station and a temporary IP address of the base station; a first receiving module, configured to receive an IP query request response that is forwarded by the router to the base station according to the temporary IP address, wherein the IP query request response carries the formal IP address that is allocated by the server to the base station according to the identification information of the base station; characterized by comprising a second sending module, configured to send a provisioning request to the router so that the router is able to send the provisioning request to the server, wherein the provisioning request carries the formal IP address; and a second receiving module, configured to receive a provisioning response that is forwarded by the router to the base station according to the formal IP address, wherein the provisioning response carries a base station start parameter that is configured by the server for the base station, wherein the first receiving module is further configured to: before the first sending module sends the IP query request to the router, receive a first Address Resolution Protocol, ARP, request sent by the router, wherein the first ARP request carries an IP address and a Media Access Control, MAC, address that are of the router; determine, according to the IP address of the router, a network segment in which the base station is located; and select according to the network segment, the temporary IP address corresponding to the network segment.