I'm having problems with configuring some identical pix 520. We had available 4 pix. Two work right when configuring them, but the other two we're not able to make them work, with identical configuration and communications enviroment for testing all four.
The machines were second hand, so we had to change the password, but we didn't change the activation key. They were beeing used for ipsec (two as failover units).
We have made actualizations of the software as well in some cases, downgrading the software again to the original software in other cases, without changing the activation key never, but that don't solve the problems neither.
Even we have erase the flash (write erase) and installing the software again but didn't work at all.
We're configuring them with nat, global and conduits, and when we enter '# conf mem', we're responded:
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...
[toc:faq]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 and UDP are I...