RIP – Routing Information Protocol

RIP (Routing Data Protocol) is a distant vector routing protocol. RIP algorithm has been in use because the early days of ARPAnet. Presently, there are 2 variations of RIP, that are often known as Routing Data Protocol model 1 (RIPv1) and Routing Data Protocol model 2 (RIPv2). Extra details about RIPv1 will be discovered on (RFC1058) and extra details about RIPv2 will be discovered on (RFC 1723). RIPv1 helps solely classful routing and RIPv2 makes use of classless routing. This implies RIPv2 assist Variable size Subnet Masks (VLSM).

RIP is a UDP based mostly protocol that makes use of port 520 for all communication. RIP was designed for small to medium sized networks. RIP makes use of hop depend as a metric. RIP helps most 15 hops. The utmost measurement of RIPv1 or RIP2 packet is 512 octets. RIP has the executive distance of 120.

Route replace timer

Each 30 seconds, a Cisco router will ship a RIP replace out each interface that has a RIP community connected to it. Every replace comprises your complete routing desk of the sending router. When one other router on the community receives the replace, it provides any new routes to its routing desk or will exchange a route if the replace has a decrease hop depend for that route.

Route Invalid Timer

Route invalid timer is 180 seconds. If router doesn’t obtain any replace a couple of explicit router for that interval, then router will discover out that this route has turn into invalid.

Route Flush Timer

Units the time between a route changing into invalid and its removing from the
routing desk (240 seconds).

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