Re: Change UDP port for NAT-T during L2L between two Cisco 3000
i don't think the nat-t port can be manipulated.
couple alternatives i can think of is to use tcp over ipsec, and then you will be able to use whatever port you prefer; or you may configure port forwarding on the router/firewall in front of the concentrator.
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...