I can see many people have visited the post but there isn't any reply.
I think this is because of the following:
The configurations are long and most people dont want to read it. Try adding only relevant configuration to the issue.
The problem description is not clear. You mention trunking problem but what exactly is the problem? Can you ping from switch to ASA? Is any Vlan information being passed or they are all failing. Try to be as much specific as possible.
Which port of the switch connects to the ASA?
Using portfast on a trunk (interface GigabitEthernet1/0/1) is not recommended.
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...
[toc:faq]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 and UDP are I...