I have a 2821 router that has multiple circuits over different carriers. I want to setup a IPsec VPN from the 2821 to a PIX515. Is is possible to load balance the VPN over both circuits? Have you experienced this before? It seems that CEF per-packet would accomplish this, but I am not sure if performance would take a hit.
I am not sure if IPSec can be load balanced like that. How will the out-of-sequence packets be reassenbled at the gateway end? I know there is a sequence number in the ESP header, but that is used for replay detection. Not sure they can be used here. Any thoughts?
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...