Difference between control plane, data plane and management plane?


The terms “control plane,” “data plane,” and “management plane” are often used in networking to describe the different functionalities of a network device. While they are related, it is important to understand the differences between them.

The control plane is responsible for setting up and maintaining the network’s routing tables, which map out the paths that traffic should take within the network. It is also responsible for providing protocols such as OSPF (Open Shortest Path First), BGP (Border Gateway Protocol), and RIP (Routing Information Protocol) to determine the best routes for network traffic. The control plane is also responsible for providing Quality of Service (QoS) to ensure that important traffic is given priority over less important traffic.

The data plane is responsible for forwarding packets of data along the best routes determined by the control plane. It does this by looking up the routing tables and forwarding the data according to the entries in the table. It is also responsible for providing packet filtering and other security measures to ensure that only authorized traffic is allowed through.

The management plane is responsible for managing and monitoring the network. It provides the tools and interfaces necessary to configure and monitor the network. This includes SNMP (Simple Network Management Protocol), which is used to collect data from network devices, and Telnet, which is used to configure network devices.

The control plane, data plane, and management plane are essential components of a network device. Without them, the network would not be able to function properly. Each of these planes has its own specific tasks and functions, and it is important to understand the differences between them in order to properly manage and maintain a network.

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