A wireless base station includes a processor configured to detect whether a device that is a final destination of packets is a wireless device or a wired device, aggregate payloads in unit of byte, which are included in the packets comply with a TCP, so as to become a maximum length of data unit which is allowed for the data link layer in an wireless LAN, when a condition is satisfied in which the device is detected to be the wireless device, form a payload complying with a protocol of the data link layer in a wireless network based on the aggregated payloads when the condition is satisfied, and configure a packet that includes the formed payload complying with the protocol when the condition is satisfied and configure packets that include the payloads complying with the TCP when the condition is not satisfied.