I have a 1721 cisco router with the ethernet port and a lan wic.
The router has 192.168.156.252 ip configured. We have configured with 192.168.156.25 ip address a router connected by my isp.This router has been configured with this ip, we can not change it or enter to administer the software.
I tried to connect a lan wire from this router(teldat) to the 1721 ethenet wic port and use the IOS firewall to filter certain ports.. protocols and more...
Using SDM 2.4.1 I tried to configure the firewall but the wizard says that they have the same lan ip and it is impossible.
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...