DHCP 的JAVA实现，增加了一些自有实现，包含VENDOR信息的验证实现，-DHCP s JAVA achieve an increase of some of its own to achieve, including authentication information VENDOR realized,

dhcp4relay dhcp中继功能 和网管进行配置 进行dhcp协议转发-dhcp4relay dhcp relay functions and configure the network forwards the dhcp protocol