A quick question about configuring a VPN Server on C871. Is it possible to set up a VPN using Dynamic IPs? The Box do get a new IP from the ISP every 24 hours. Is a VPN possible under these circumstances? Is DYNDNS helpful?
access-list 101 permit gre 172.16.1.0 0.0.0.255 host 172.17.0.1
The ACL points to an entire source SUBNET, not just a GRE tunnel host address endpoint. The reason is that your ISP will probably assign an IP address from a designated subnet, which you can find out about from them.
Well first of all I like to thank you for your explanation. But actually I do not get it. What I like to do is to establish a VPN Server on my c871 to access the internal Network behind it. Only Dial-UP Clients shall be able to access the VPN.
The C871 is connected through PPPoE to the ISP who changes the IP every 24 hours. I.e. at the moment that is 188.8.131.52. As the client in the field is not aware of the current IP how is it able to dial in?
So once again, is it possible to set up a dial-up VPN server with dynamic IPs assigned by the ISP? Or is a static IP compulsary?
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...