We have a user that is getting a Duplicate Phase 1 Packet detected. Retransmitting last Packet. He is using Cisco VPN Client Software 5.0.01.0600. He is using Windows XP and going through a Dlink DIR 625. We are seeing him connect to the ASA5520 running Version 7.2(2) getting the above error. There is no previous version of Cisco client software on the PC and the firewall is off.
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...