Network equipment management and configuration in the mininet library

The Mininet library is a powerful tool often used in software definition network (SDN) research.It provides a simulation network environment. In this environment, various network devices can be created, managed and configured to perform various experiments and tests.This article will focus on the management and configuration of the MINET class library. The network device management and configuration in the Mininet class library is implemented through the Python programming language.It allows users to use programming code to create virtual network topology and interact with network devices.Below is a simple example code that demonstrates how to create a virtual network topology containing two hosts and a switch: python from mininet.net import Mininet from mininet.node import CPULimitedHost from mininet.link import TCLink def create_network(): net = Mininet() # Create two hosts h1 = net.addHost('h1') h2 = net.addHost('h2') # Create a switch s1 = net.addSwitch('s1') # Add connection net.addLink(h1, s1) net.addLink(h2, s1) # 网 net.start() # Play ping test between the host net.pingAll() # Stop network net.stop() if __name__ == '__main__': create_network() In the above code, we first introduced the necessary mininet library module.Then, we define a function called `Create_network`, which is used to create and configure network devices.Inside the function, we first created a mininet object, and then added two hosts and a switch to it.Next, we connect the host and the switch by adding appropriate connections.Then, we started the entire network and performed the Ping test between the host.Finally, we stopped the network. In addition to the content displayed in the above code, the MINET class library also provides many other functions and methods to manage and configure network devices in detail.For example, you can set the IP address of the host, set the forwarding rules of the switch, and specify the bandwidth and delay of the link.By using these functions provided by the MINET class library, researchers and developers can more conveniently manage and configure network experiments. It should be noted that the MINET library needs to depend on some other software and libraries, such as Open vswitch and OpenFlow.Before using the MINET class library, you need to ensure that these software and libraries are installed and configured correctly. In short, the network equipment management and configuration in the Mininet class library is a very powerful and flexible tool that allows users to create, configuration, and managing the virtual network environment by programming, thereby conducting various network experiments and testing.By studying the various functions and methods of the MINET class library, users can further understand and master SDN technology and apply them in their research and practice.