The Cisco PIX 515E "Restricted" (PIX 515E-R) model provides an excellent value for organizations looking for robust Cisco PIX Security Appliance services with minimal interface density and modest VPN throughput requirements. It includes 32 MB of RAM and support for up to three 10/100 Fast Ethernet interfaces.
Unrestricted Software License
The PIX 515E "Unrestricted" (PIX 515E-UR) model extends the capabilities of the family with support for stateful failover, additional LAN interfaces, and increased VPN throughput via integrated hardware-based VPN acceleration. It includes an integrated VAC or VAC+ hardware VPN accelerator, 64 MB of RAM, and support for up to six 10/100 Fast Ethernet interfaces. The Cisco PIX 515E-UR also adds the ability to share state information with a hot-standby Cisco PIX Security Appliance for resilient network protection.
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...