How many bytes are empty in a RIP message that advertises N networks?
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Answer:
RIP stands for Routing Information protocol. It is an intradomain routing protocol used in autonomous system.
• RIP is based on distance vector routing.
• In RIP, the routers and links used in autonomous system are known as nodes.
• The destination in a routing table is network, which means first column defines network address.
• The distance in RIP is defined as number of links used to reach the destination. This is called hop count.
• The maximum hop count in RIP is 15. Hop count 16 is used to define infinity or the not reachable network.
• RIP uses two types of messages: request and response.
• A request message is sent by the router that has come up or by the router having time-out entries.
• A respond message can be to answer the requests (solicited message) and to send message periodically in 30 seconds or in case of change in routing table (unsolicited message).