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RIP- Routing Information Protocol.

RIP is dynamic routing protocol that uses hop count as a routing metric to find the best path between the designation and the source network.

It works on the network layer of the OSI model and a distance-vector routing protocol that has an AD value of 120.

Routing Information Protocol uses port number 250.

It updates of the network are exchanged periodically and routing information are always broadcast.

Routers always trust routing information received from neighbor routers; hence it is known as Routing on 

There are three types of version routing information protocol they are, RIP version1, RIP version2, RIPng.

RIP Version1 is also known as classful routing protocol because it doesn’t support authentication of updated messages.

RIP Version2 is also known as classless routing protocol it sends information of subnet mask in its routing update.

RIPng is classless updates are sent.

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