RIP: Routing Information Protocol

The Routing Information Protocol (RIP) is one of the oldest distance-vector routing protocol. It uses a hop count as a routing metric. In hop count, the number of nodes are counted between source and destination. The maximum number of hops allowed for RIP is 15.

As its transport protocol RIP uses User Datagram Protocol (UDP). It is assigned a reserved port number 520. RIP is a widely used protocol for managing router information within a local area network (LAN) or group of LANs.

There are three versions of Pouting Information Protocol.

  1. RIP version 1
  2. RIP version 2
  3. RIPng (RIP next generation)

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