Cisco IOS XR (http://www.cisco.com/c/en/us/products/ios-nx-os-software/ios-xr-software/index.html) is a distributed network operating system for service providers. It supports many devices to provide a cloud scale networking. It is known as a self-healing distributed networking operating system.

PyIOSXR (https://github.com/fooelisa/pyiosxr) is a Python library used to manage the devices that are running IOS XR. In this recipe, we will install pyIOSXR, mock a network, and coordinate it with a Python program based on pyIOSXR.