The FIB is consulted to make the frame forwarding decision.
2.
Ethernet VLAN bridging IEEE 802.1Q is the frame forwarding paradigm that fully supports higher level protocols such as IP.
3.
In 2004, Radia Perlman proposed using link-state routing for layer 2 frame forwarding with devices called transparent interconnection of lots of links ( TRILL ) protocol to accomplish this.