gmrp（garp multicast registration protocol，garp组播注册协议）是基于garp的一个组播注册协议,此源码是linux下实现的,能直接在ARM板上跑-gmrp (the garp multicast registration the protocol, the garp Multicast Registration Protocol) is based on the garp a multicast registration protocol, this source under linux can run on the ARM board