Hi .. sometimes using pings is probably not the best way to test connectivity across a firewall specially if you are using NAT and don't have ICMP inspection enabled. I suggest enabling icmp error inspection using - fixup protocol icmp error - Also try using a different application i.e telnet, RDP or something like that.
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...