Forwarding Information Base (FIB) also called Forwarding Table or Mac Table according to wikipedia.
I first explain my understanding of the FIB in both Switch and Router. Does not hesitate to correct myself, I'm here to learn and clarify my doubts.
In a Switch (layer 2), the Mac adresse of devices in the local network is associate with the egress interface. This data in stock in the FIB and the Switch use to forward packet. Here I understand why we call this "Mac Table".
MAC-A | Interface 1
MAC-B | Interface 2
The MAC destination is learned by the switch with ARP or Flooding.
The FIB in a router perform the Data Plane, contrary to the RIB which perform Control Plane. Indeed the FIB contain the best route selected from the RIB. When a packet come to the router, it use the FIB to select the route and it use the next-hop. It replace the Destination Mac Address with the Mac Address of the next-hop.
So, the FIB in switch and router are two different concept ? The FIB of a router does not contain Mac Adress, so why this is also called Mac table ?
I hope I was clear.