At which layer is the rip protocol located?

The rip protocol is at the application layer; because RIP is based on UDP, OSPF is based on IP, and BGP is based on TCP, these routing protocols defined in the TCP/IP protocol stack are used to discover and maintain the shortest path to the destination; and RIP uses UDP, so RIP is an application layer protocol.

The operating environment of this tutorial: Windows 10 system, DELL G3 computer

Which layer is the rip protocol at? Which layer of protocols are OSPF and BGP?

1. The first thing to know: RIP is based on UDP, OSPF is based on IP, and BGP is based on TCP. These routing protocols defined in the TCP/IP protocol stack are used to discover and maintain the shortest route to the destination. path.

2. Then how to determine which layer a certain protocol belongs to: The implementation of a protocol needs to rely on the functions of the next layer of the layer where the protocol is located.

3. Judgment:

（
前提提示：
                                TCP、UDP是属于传输层的协议；
                                IP是属于网络层的协议；
现在的五层协议的体系结构分别是：
                                应用层
                                传输层
                                网络层
                                数据链路层
                                物理层
                ）

(1): RIP uses UDP (RIP uses the transport layer), so RIP is an application layer protocol;

(2): OSPF uses IP (RIP to the network layer), so OSPF is a transmission layer protocol; (different saying)

(for example, in the postgraduate test: OSPF protocol does not use UDP data newspaper transmission, but IP datagram transmission is directly used, so OSPF is classified as a network layer protocol - this point must be based on the examination syllabus for the postgraduate entrance examination); Therefore, BGP is an application layer protocol;

4. Summary: If you have different opinions, please refer to relevant information.

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