I upgraded from 6.3 to 7.02 and found I could not SSH into the 515E. You have to regenerate the RSA key because it didn't have one anymore. "show crypto key mypubkey rsa" will be blank. Something like "crypto key generate rsa" and it will generate a new 1024 key. Now SSH works for me.
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...