Network system with seamless handover mechanism and related work method, and control apparatus

The invention discloses a network system with a seamless handover mechanism and a related work method, and a control apparatus. The network system comprises a plurality of network devices, a plurality of host devices, and the control apparatus, the network devices are mutually connected, a part of network devices provide wireless access networks to allow the host devices to be connected, and a plurality of wireless access networks have the same service set identifiers. The control apparatus is connected to the network devices, and when a first host device in the host devices is connected to a second network device instead of a first network in the network devices, for an address analysis request packet sent by the first host device, the control apparatus controls the network device to return an address analysis reply packet to the first host device to maintain an Internet protocol address of the first host device. 本发明公开了种具备无缝换手机制的网络系统、种网络系统的工作方法和种控制装置。网络系统包括多个网络设备、多个主机装置以及控制装置。网络设备相互连接，并且部分网络设备提供无线接取网络以供主机装置连