AC1200-R6220 VPN Passthrough

[treesRfriends]

I have contacted my IT professional at work and they could not help me (just said "the router's blocking it"), so I have no other choice than to try and fix myself. I am not a computer whiz, but I can get by with guidance.

-VPN works when connected directly to modem.

-VPN does not work when connected to router but it HAS worked previously when conected to router, then one day stopped.

-I have done the "port forwarding" advice. See attached snip, not sure if I did it correctly.

-I am not sure what VPN software they are using. I know it uses "Wan Miniport (L2TP)". I have included snip of program symbol.

-It is the most recent firmware. I tried installing original firmware (1.0.0.14) and middle of the road (1.1.0.66). Neither allowed VPN to work.

-NAT filtered is "secured". I opened to see if it would fix. It didn't

-VPN Passthrough is enabled for IPSex, PPTP, and L2TP

-Respond to Ping on Internet Port is checked

Please help. I have so much work to do and can't access my work network. Thanks

[treesRfriends]

port forwarding snip since I couldn't include two attachments

[plemans]

What modem are you using?

[treesRfriends]

Netgear CM500

[plemans]

You can always cheat and put the computers IP address in the routers DMZ. This forwards everything to the router. not a safe option but it'd get you up and running. Everything between the work computer and work should be encrypted through the vpn anyway. 

[treesRfriends]

Can you tell me how I can do that. Thank you.

Any idea on long-term solutions or why the router is doing this?

[plemans]

https://kb.netgear.com/1118/How-do-I-configure-a-device-to-be-in-the-DMZ-on-my-NETGEAR-router

[plemans]

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@treesRfriends wrote:

Any idea on long-term solutions or why the router is doing this?

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Long term solutions? work with your IT department or contact the vpn program support that they use for assistant setting the proper forwarding. 

[treesRfriends]

IT is useless. Any idea on what that program is from the snip? I may have to do a lot of research and set up my own VPN.

[plemans]

Not off the limited info. Your IT department should at least be able to give you what vpn provider they use. 

[treesRfriends]

I did the DMZ thing and had the traffic go to the IP address of this computer that I'm using and it didn't work. May I be doing something wrong?