Manual:Virtual Routing and Forwarding - MikroTik Wiki
Internet fail over connection with Mikrotik
Can somebody explain scope and target scope? - MikroTik
Scope and Target Scope on MikroTik - YouTube
📘MikroTik MTCRE - Recursive Routing (Easy Automatic failover even for directly connected networks!) - YouTube
Add static route to local Starlink "management" IP 192.168.100.1 on WAN port (ether1) on Mikrotik. I'm a little rusty on Routerboard, so you might want to vet w/ r/mikrotik for unintended consequences
Manual:IP/Route - MikroTik Wiki
Routing Mikrotik, HD Png Download - kindpng
Manual:Virtual Routing and Forwarding - MikroTik Wiki