We have an ASA5515 at HQ and multiple sites with ASA5505 units. All of these units are connected via site to site VPN in mm. They also have static ip's.mwe have two sites that we are currently attempting to connect back to HQ in aggressive mode but are unsuccessful.
Depends at what point it is failing. Steps are isakmp (sh crypto isakmp sa), ipsec (sh crypto ipsec sa) and data xfer. For isakmp ensure profiles and passwords match, for ipsec check profiles and proxy ids (ie: encrypted subnets) to match and for data transfer nat, routing etc. Matthew
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...