Authenticate the Cisco Devices using FreeRADIUS on Ubuntu

We want to authenticate and authorize the user on Cisco devices using the Free Radius on Ubuntu Server. In this tutorial, we want to create two users, Arbab and Ali. Arbab have full access to Cisco devices (privilege level 15) while Ali has custom access (like show commands including show running and interface configurations) only.

FreeRADIUS configuration on Ubuntu:

Install FreeRADIUS by using the following command:

sudo apt-get install freeradius