You would need to check if the SA lifetime for phase 2 matches at both end, and which lifetime it actually uses (there are 2 types of lifetime, ie: time base and size base). And if you have keepalives configured, you might want to disable it since the 2 ends of the VPN tunnel is different vendors, and they would not understand each other's keepalives.
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...