At a quick glance your config looks ok. Traffic from your site on 172.29.30.x is not NATed over the VPN, so the remote end must have filters (rules) to allow it, and must have routes to it via the 3030.
Does the VPN come up? ("show cry is sa", "show cry ips sa") Do you see packets encrypted but not decrypted?
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...