H3C configuration port isolation group

port-isolate group 1    #建立隔离组1

int G 1/0/1
dis this
port link-mode route    #目前在三层模式
port link-mode bridge    #使工作在二层
port-isolate group 1    #将端口加入到隔离组1中

int G 1/0/2
port-isolate group 1   

At this time, port 1 and port 2 cannot communicate with each other on the second layer.