BackgroundI've been working on implementing DHCP Relay throughout our network. However at times we have had problems with customer plugging their routers in backwards. They start handing out DHCP Leases to other customers, definitely annoying. I'm not taking credit for this idea, just putting it together what I found. I'm aware of setting the authoritative flag on the dhcp server.This will put a stop to it:Rule to block dhcp traffic originating from a 192.168.0.0/16 device, blocks normal router dhcp traffic from linksys or dlink products. /interface bridge filteradd action=log chain=input comment="Block...
