/interface bridge filter add action=accept chain=forward mac-protocol=arp add action=accept chain=forward mac-protocol=ip add action=accept chain=input mac-protocol=arp add action=accept chain=input mac-protocol=ip add action=accept chain=output mac-protocol=arp add action=accept chain=output mac-protocol=ip add action=drop chain=forward add action=drop chain=input add action=drop chain=output
用hyperv的VLAN功能，5个VLAN桥后，需要屏蔽掉相互之间的广播信号
用这个代码只允许IP网络通过