PPPoA was primarily implemented as part of ADSL. It relies on RFC 1483, operating in either LLC/SNAP or VC-Mux mode. The ATU-R encapsulates IP packets into PPP frames and then segments them into ATM cells via AAL5. The PPP link is terminated at the NRP and the originating workstation's IP packet is routed to its final destination through the service provider of choice.
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...