Cisco :: Newly Joined Computer To Request IP Address From MAC?

RARP (Reverse Address Resolution Protocol) is a protocol by which a physical machine in a local area network can request to learn its IP address from a gateway server's Address Resolution Protocol (ARP) table or cache. A network administrator creates a table in a local area network's gateway router that maps the physical machine (or Media Access Control - MAC address) addresses to corresponding Internet Protocol addresses.When a new machine is set up, its RARP client program requests from the RARP server on the router to be sent its IP address. Assuming that an entry has been set up in the router table, the RARP server will return the IP address to the machine which can store it for future use.Among the passage of words i read, there was this sentence i were not sure, "A network administrator creates a table in a local area network's gateway router that maps the physical machine (or Media Access Control - MAC address) addresses to corresponding Internet Protocol addresses." Does it means each time a host computer joins in the ethernet LAN, the network administrator would manually add in it's MAC address in the router table, so it would allow the newly joined computer to request IP address from it's MAC address?