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Two Characteristics: RIP is an example of distance vector routing protocols. Updates are periodic and include the entire routing table
Dynamically, as related to a routing protocol is a type of networking technique whereby the routing protocol creates, updates and maintains the dynamic routing table.
it is a cisco propriatary routing protocol.
1) It is a distance vector routing protocol. 2) The data portion of a RIP message is encapsulated into a UDP segment.
The state of directly connected links
RIPv1
Every 20 Milliseconds it updates.
RIP VERSIONV1 can be seen to exclude subnet information from routing updates, this is because ripv1 is a classful routing protocol and does not support VSLM, this was corrected in RIPv2 where ripv2 does send out subnet mask's in the form of a prefix eg /24 which is the subnet mask of 255.255.255.0 or a class c address.
RIPv2 sends subnetmasks in the routing table updates. RIPv1 does not, which causes it be class-full.
In a distance vector routing protocol, such as RIP or EIGRP, each router sends its routing table to neighboring routers. The routers don't know the topology, i.e., how other routers are interconnected. In a link state routing protocol, such as OSPF or IS-IS, routers first exchange information about connections within the network (or an area of the network), and build a topology table. Then each router uses Dijkstra's algorithm to calculate the best route to each destination.
Classful.
RIP listener waits for route updates sent by routers that use the routing information protocol in a corporate LAN.