Packet Flow in RouterOS - RouterOS - MikroTik Documentation
The Encapsulated Data Flow Process - Layer Problems
InterVlan routing - How to configure router on a stick
Network Tutorials: Configure Inter-VLAN Routing (router on a stick) With DHCP Server.
Generic Routing Encapsulation GRE GRE is an OSI Layer 3 tunneling protocol: Encapsulates a wide variety of protocol packet types inside. - ppt download