Re: AT&T Global Network Client Connectivity Issues
Nat-t is definitely your issue. Without it or more public ip addresses, you will only be able to establish one ipsec tunnel outbound and during this period you will not be able to use the ASA to terminate vpn's.
1 or 2 will not work unless you have more ip addresses to use.
1. global (outside) 1 188.8.131.52-184.108.40.206 netmask 255.255.255.255
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...