The critical authentication feature does not seem to work. Port does not move to authorized state if RADIUS (ACS) server is not available. In fact, it even seems to break the Authentication Fail VLAN functionality.
If RADIUS server is not available and user/machine tries to authenticate, the port fails authentication and remains in unauthorized state and does not even move to AuthFail VLAN.
Table of ContentsIntroductionVersion HistoryPossible Future
UpdatesDocuments PurposeNAT Operation in ASA 8.3+ SectionsRule Types
Network Object NATTwice NAT / Manual NATRule Types used per SectionNAT
Types used with Twice NAT / Manual NAT and Network Obje...
Table of Contents Introduction:This document describes details on how
NAT-T works. Background: ESP encrypts all critical information,
encapsulating the entire inner TCP/UDP datagram within an ESP header.
ESP is an IP protocol in the same sense that TCP an...