I have two sites connected via a dedicated / private FR circuit. Several servers on one side talk to about 2 servers on the other site. I need to encrypt the data over this circuit and the encryption should be setup on the endpoint routers themselves.
Communication is bi-directional i.e. sessions can be initiated from servers on either side. The routers will also have to NAT the IPs of the servers.
I have never setup encryption over FR (I know Cisco CET w/ GRE but we're looking for options). Can anyone guide me in the right direction?
Thanks for taking time to post those links. I think I should re-phrase my question.
I am aware of IPSec (sorry did not include that in previous post) and CET/GRE encryption mechanisms as being two options for encryption over a link. I wanted to know if there were any alternatives to these two.
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...