Still the same Problems with DualWan Config, on 7.2.1 the Config is running smoothly, upgrade to 7.2.3,
Router not accessible through IP only MAC, upgrade to 7.3 is the same behaviour.
If i contact Support, they recommend to call a Consultant.
I probably know what it is, and it’s not you, it’s RouterOS. I now tested it and it happened between 7.2.1 and 7.2.2. Previously if there were multiple routing tables, local destinations (addresses assigned to router) always had priority and used main routing table, but it doesn’t happen anymore. Simplified (incomplete, but shows relevant parts) example:
/ip address
add interface=LAN address=192.168.88.1/24
/ip route
add dst-address=0.0.0.0/0 gateway=x.x.x.x routing-table=WAN2
/ip firewall mangle
add chain=prerouting src-address=192.168.88.20 action=mark-routing new-routing-mark=WAN2
add chain=forward src-address=192.168.88.20 action=log
add chain=input src-address=192.168.88.20 action=log
If 192.168.88.20 connects to 192.168.88.1, in 7.2.1 and older the log will show packets in input. In 7.2.2 and newer they go in forward. It could be intentional, but since I don’t see anything like that in changelog, it’s probably bug. And annoying one, because it can significantly break some configs.
Edit: Well, it’s not strictly about 7.3, but it’s still very much broken/changed there, so it’s interesting for anyone with such config, because upgrade can easily lock you out.