NETWORK ID
THIS IS THE DESTINATION SUBNET AND NETMASK. IT IS USED TO
MATCH A DESTINATION IP ADDRESS TO THE NETWORK ID.
NEXT HOP
THIS IS THE IP ADDRESS OF THE NEXT ROUTER
THAT THE PACKET SHOULD BE FORWARDED TO.
ROUTING PROTOCOL
THIS IS THE ROUTING PROTOCOL THAT WAS USED TO LEARN THE
ROUTE.
ADMINISTRATIVE DISTANCE
(AD) IS A VALUE ASSIGNED TO ROUTING PROTOCOLS TO INDICATE
HOW RELIABLE THE ROUTING INFORMATION RECEIVED FROM THAT PROTOCOL IS. THE LOWER
THE AD VALUE, THE MORE RELIABLE THE ROUTING PROTOCOL IS CONSIDERED TO BE.
METRIC
THIS IS A MEASURE OF THE COST OF THE ROUTE. LOWER METRICS
ARE BETTER.
GATEWAY OF LAST RESORT
THIS IS THE IP ADDRESS OF THE ROUTER THAT SHOULD BE USED IF
NO OTHER ROUTE MATCHES THE DESTINATION IP ADDRESS.
PREFIX
A PREFIX IS
SIMPLY THE NETWORK ADDRESS IN A ROUTING TABLE AND THE PREFIX IS THE DESTINATION
NETWORK ADDRESS. A PREFIX LENGTH IS JUST THE SHORT HAND WAY TO EXPRESS A SUBNET
MASK USING CIDR NOTATION. IF THE SUBNET MASK IS 255 255.255.0 THEN THE PREFIX LENGTH IS /24.
THIS ENTRY MEANS THAT THE ROUTER KNOWS HOW TO REACH THE SUBNET 10.0.0.0/24. THE NEXT HOP IS 192.168.1.1, WHICH IS THE IP ADDRESS OF THE ROUTER THAT THE PACKET SHOULD BE FORWARDED TO.
THE ROUTING PROTOCOL USED TO
LEARN THE ROUTE IS RIP, AND THE ADMINISTRATIVE DISTANCE IS 120. THE METRIC IS
1, WHICH MEANS THAT THIS IS THE BEST ROUTE TO THE SUBNET 10.0.0.0/24.
THE ROUTING TABLE IS A CRITICAL PART OF A ROUTER'S OPERATION. IT ALLOWS THE ROUTER TO DETERMINE HOW TO FORWARD PACKETS TO THEIR DESTINATIONS.
THE COMPONENTS OF THE ROUTING TABLE ARE USED TO MAKE THESE
DECISIONS.
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AD VALUES ROUTING PROTOCOL
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