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TKLee's avatar
TKLee
Tutor
Oct 19, 2021
Solved

Orbi RBR750 4.6.5.14 firmware seemed to have affected connection over VPN

Anyone running into this issue? After the Orbi RBR750 4.6.5.14 firmware update, I can no longer connect to VPN. I'm running Windows 10 with a VPN connection setup over L2TP/IPsec with pre-shared key. It was working with the previous firmware and I updated to 4.6.5.14 over the weekend which seemed to have broken my ability to connect. I've doubled checked that parental controls aren't blocking VPN and even tried disabling parental controls all together but the VPN still isn't working. If I connect my PC to a mobile Hot Spot, VPN works fine.

  • TKLee's avatar
    TKLee
    Nov 04, 2021

    So I'm posting this in case it may help someone else. I contacted support and they recommended I try to reserve an address for my system under the LAN tab. Then set that reserved IP as DMZ server to open all ports to verify if the VPN issue had to do with ports. If it was an issue with ports, I would just need to setup port forwarding for the VPN. So I went ahead and gave it a try.

     

    So this was really strange. Before I performed the steps to reserve IP and set as DMZ Server, I tested both my desktop and laptop and Windows VPN was not working. Then I reserved the IP for my laptop, set it as the DMZ server, then tried the VPN. At that point, it started working, great!! Then, I removed the DMZ server setting since I figured I need determine what ports need to be forwarded and set port forwarding up. But before I tried that, I tested the VPN again just for kicks. Low and behold, it was still working without the DMZ setting. Then I tried my desktop which has no IP reservation, was never set as DMZ,  and was not working before and now, even the desktop is working with VPN. This was a very strange fix since I had even already factory reset the Orbi which didn’t fix the issue. Must be a software bug in there somewhere? Either way, seems to be working for me for now. Hope this may help someone else out.

15 Replies

  • What Firmware version has been working before?
    What is the Mfr and model# of the Internet Service Providers modem/ONT the NG router is connected too?

     

    Has a power off for 1 minute then back ON with the ISP modem and Orbi system been performed since last update?

    • TKLee's avatar
      TKLee
      Tutor

      I believe the previous firmware was 4.6.3.7. I don't have a modem from my ISP. I have Frontier FIOS fiber and it connects directly from the ONT into the Orbi RBR750 via Cat6. Note, I have a different PC using a VPN over Cisco's Global Connect client and that works fine. It's just the VPN connection using windows built-in VPN that has a connection issue.

       

      I've powered off multiple times since the firmware update since it gave me issues with one of the satellites at first. That issue was resolved by re-syncing the sattelite. Then today, I noticed the VPN connection issue.

      • Seems like a problem at the Windows VPN level and this FW. IF the othere PC and the Cisco VPN is working currently, not sure what would cause the Windows VPN not to work. 

         

        Is Armor or Smart Parental Controls enabled? 

         

        Other other thing to try would be to factory reset the RBR and setup from scratch with out any additional featuers enabled and test the Windows VPN and see...