We have an ASA 5510 and the a VMware server ESX at the remote location. The only way to get to the remote location is to login to VPN client. Is there a way to setup so that we are at the Main office can use the VSphere software to do administration on the VM server without logging in to the VPN client first? For example, my computer at the Main office IP address is 18.104.22.168 and I want to be able to open Vsphere software from my computer to do administration on the VM server (22.214.171.124) at the remote location. What do I need to do at the ASA? Please let me know if you need to see the config.
Thanks for your prompt response and information, Federico. I apologize for giving you wrong information. The VM server has an internal private IP address (192.168.100.25). The natted public IP address is 126.96.36.199. Thanks.
There's no way you can reach a private IP address through the Internet.
There are programs that establish a session to a remote computer (having a private IP), but you cannot route packets over the Internet to reach a private IP.
This is why you need a VPN connection to be able to communicate between the sites.
Why don't you want to establish the VPN tunnel to communicate with the server?
If for example, you have a Site-to-Site tunnel between both sites, you can talk to the server without having any VPN client. You will talk to server like it is right next to you and you won't even notice there's a VPN established.
Thanks for your prompt response and input, Federico. Looks like the only solution at this point is to setup Site-to-Site VPN which I have not done it before. Since I was able to SSH to the Remote site to do the administration on the ASA, I thought maybe there is a command that I can setup on the ASA that would allow me to do the administration on the VM server remotely. Do you have the information on how to setup Site-to-Site VPN?
FYI, I was not able to open VSphere client. I got the error message "Vsphere client could not connect with the VCenter Server "192.168.100.25. Details: a connection failure occured (unable to connect to the remote server)". Here are my commands that I used:
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...