# Mininet simulate SDN environment with Ryu and OvS ###### tags: `class notes` ## Task1: create nodes(c0, s1, h1, h2, h3) ![](https://i.imgur.com/qNqH7Yv.png) ### Two way to add 3 Flows: Arp Request Query:h1(10.0.0.1) to h2(10.0.0.2) h2 mac addr(00:00:00: 00:00:02) ->output to port 2 h1 mac addr(00:00:00: 00:00:01) ->output to port 1 * use ovs-ofctl add-flow function in mininet ![](https://i.imgur.com/wFkOG8R.png) xterminal display nodes info ![](https://i.imgur.com/Spamfpt.png) ![](https://i.imgur.com/O7R1K0J.png) * use postman to add flow into localhost ![](https://i.imgur.com/T07A8lR.png) ![](https://i.imgur.com/AQoWefB.png) ![](https://i.imgur.com/RcG0RvK.png) ## Task2: I complete the mysw_basic.py, and successfully run it: At controller ![](https://i.imgur.com/L1ihOHb.png) At mininet ![](https://i.imgur.com/6bq1L5A.png) ## Task3: Finish the code, successful operate on OvS as well: ![](https://i.imgur.com/eQknPES.png) ![](https://i.imgur.com/SCpXuDZ.png)