We are running an IPSEC tunnel with single DES between PIX 525 and 520. Remote site reported slow newwork performance when they access resources at the main site. Main site has a DS3 and remote site has 4 T1. Right now MTU size on all interfaces set 1500. I've been advised that making MTU size 1400 might take of the problem. Any suggestions?
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...