Connecting to a Cisco RV082 VPN Router
I bought this Cisco RV082 8-port VPN Gateway/Router. It is connected to the Internet with a public IP address at my office. From home, I try to connect to it with the QuickVPN Client software provided with it. When I try to connect, these things happen: 1. The Security Association is established and the tunnel is brought up. 2. The QuickVPN software starts sending ICMP echoes through the tunnel to the remote LAN IP address. So these PINGs travel encripted as ESP packets, with QuickVPN sitting on the screen with a "Verifying network..." small window. 3. After 5 attempts, no single PING is apparently replied by the router, so QuickVPN gives up and warns that "The remote gateway is not responding". After providing an offer to wait or give up, I give up and it goes out. 4. During the PINGing process, I can see my tunnel connection up, through the Web administration access to the router. So, the connection is actually established, but as QuickVPN didn't get an answer it simply doesn't complete the VPN connection. At Cisco's Small Business Support Community, we have been discussing this, and most fellows suggest that the most probable cause is that the Windows 7 firewall is preventing QuickVPN to receive the reply packets. So I have been struggling with the firewall and inventing all sorts of incoming and outgoing rules for QuickVPN, which actually has all rights to send and receive all protocols, through all interfaces and all of all. I simply have been unsuccessful. I downloaded Wireshark, and I can see all the traffic between my laptop and the router. All is seen, even the ESP packets going out to the router, but I don't see any incoming reply ESP packets. This poses me the fact that maybe the router is indeed not responding, or the firewall really blocking them. I would appreciate if any of my dearest fellows in this forum could give me a hand. Thank you in advance.
June 22nd, 2012 10:46pm

Hi, I suggest you try the following: 1. Disable the firewall on both side. 2. Test the issue in Clean Boot mode. Meanwhile, it is still suggested to contact the Cisco support for help http://www.cisco.com/en/US/prod/routers/quick_vpn.html Regards Vincent Wang TechNet Community Support
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June 25th, 2012 5:25am

Hi Vin, Thanks for your reply. Actually, I have had a hard struggle trying all suggestions from within Cisco's Small Business Routers community support. Most of them have had experiencies like mine, and most have been solved with ways that I have already tried but still with no luck. In Windows XP, they disable the firewall and some have success and others don't. In Windows 7 (like me) some have just added rules in the firewall. My own problem is that the QuickVPN software does get connected at the other side, but it's not aware of it. It tries to send PING messages to the remote router within the tunnel as ESP packets, and it would get replies from the router and this way it would declare the connection ready. But the ESP packets are not (apparently) replied by the router or otherwise they are but the Windows firewall is blocking them in their way back. Is there a way to know whether they are actually being blocked? Again, your help will be very much appreciated. Regards.
June 27th, 2012 9:48pm

Hi, I search the problem you encountered, this issue may be related to firewall is misconfigured or the IPSec service is not running on the computer. You can refer to this thread: http://www.linksysinfo.org/forums/showthread.php?t=42553 Please Note: Since the website is not hosted by Microsoft, the link may change without notice. Microsoft does not guarantee the accuracy of this information. In addition, it is suggested to keep working with Cisco support. Regards Vincent Wang TechNet Community Support
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June 29th, 2012 5:57am

Hello Vin. Thanks again. I had already seen that, I tried everything there, but still nothing. I am 99% sure that my problem is in my PC. But I have been also unsuccessful finding out the cause. I appreciate your concern very much. Regards.
July 11th, 2012 11:09pm

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