it is feasible if they have protocol/port specified, otherwise the pix will not be able to distinuish between the two static statement for outbound traffic.
imagine a packet originated from y.y.y.y destined for the internet. pix receives the packet and look it up with the static statements. now, pix will be confused and not able to determine which public ip should be applied.
on the other hand, if they have protocol or port specified, then it's feasible.
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...