ros桥接后，只允许IP协议通过

admin

1. /interface bridge filter
   
2. add action=accept chain=forward mac-protocol=arp
   
3. add action=accept chain=forward mac-protocol=ip
   
4. add action=accept chain=input mac-protocol=arp
   
5. add action=accept chain=input mac-protocol=ip
   
6. add action=accept chain=output mac-protocol=arp
   
7. add action=accept chain=output mac-protocol=ip
   
8. add action=drop chain=forward
   
9. add action=drop chain=input
   
10. add action=drop chain=output

复制代码

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