SDN:mininet交换机流表操作

输入apt-get install git

输入git clone GitHub - mininet/mininet: Emulator for rapid prototyping of Software Defined Networks（网址安装）

输入git clone GitHub - faucetsdn/ryu: Ryu component-based software defined networking framework（网址安装）

先进入app：cd app

打开ryu：ryu-manager simple_swich.py

输入apt install python3-pip

root@ubuntu:/usr/local/lib/python3.8/dist-packages/ryu/app# ryu-manager simple_switch.py

loading app simple_switch.py

loading app ryu.controller.ofp_handler

instantiating app simple_switch.py of SimpleSwitch

instantiating app ryu.controller.ofp_handler of OFPHandler

root@ubuntu:/home/yuzai/mininet/examples# mn --controller=remote

root@ubuntu:/home/yuzai# cd mininet/

root@ubuntu:/home/yuzai/mininet# cd examples/

root@ubuntu:/home/yuzai/mininet/examples# python3 miniedit.py（建立拓扑图）

root@ubuntu:/home/yuzai/mininet/examples# gedit demo3.py

root@ubuntu:/home/yuzai/mininet/examples# python3 demo3.py