This is Part 4 in my Configuring 802.1x Authentication for Windows Deployment series. Be sure to check out all of the other parts here. Quick Note About Cisco Switch Firmware If you’ve made it this far, a word of caution. Make sure that your switch firmware is matched to the version required by ISE. I spent several weeks working with our Security and Networking guys to troubleshoot and discovered that our switches weren’t at the required version for ISE 2.