Hello All,
First go through System requirements for SNAC 12.1
New features about SNAC 12.1
SNAC 12.1 Includes two new features for LAN Enforcers:
• MAC Authentication Bypass (MAB): Used for LAN Enforcers running as a RADIUS proxy.
• Ignore Symantec NAC Client Check: Used for LAN Enforcers running in either mode.
Check this article for more info:
What's new in SNAC 12.1
https://www-secure.symantec.com/connect/articles/whats-new-snac-121