[SOLVED] Can't connect to VPN

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DawsonDownunder
DD-WRT Novice


Joined: 23 Jul 2022
Posts: 2

PostPosted: Mon Jul 25, 2022 13:26    Post subject: [SOLVED] Can't connect to VPN Reply with quote
Sorry for yet another I can't get my VPN to work thread but I'm a man with limited hair to pull out and I'm down to my last follicle.

The client on my Android phone states "TLS Error: TLS key negotiation failed to occur within 60 seconds"

I've checked suggestions in the troubleshooting guide and they haven't yielded any solutions so now I'm reaching out.

Running DD-WRT v3.0-r49544 std (07/22/22)

How are the IP tables looking? [deleted]

All suggestions welcome

Thanks in advance


Last edited by DawsonDownunder on Thu Jul 28, 2022 0:52; edited 1 time in total
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egc
DD-WRT Guru


Joined: 18 Mar 2014
Posts: 12834
Location: Netherlands

PostPosted: Mon Jul 25, 2022 13:40    Post subject: Reply with quote
I guess you have found the OpenVPN documentation (a sticky in this forum) and setup accordingly but I am afraid I have bad news for you.

It looks like you are behind CGNAT:
https://en.wikipedia.org/wiki/Carrier-grade_NAT

Most ISP's with CGNAT do not port forward, but ask your ISP

The TLS connection error means you cannot reach your router which could be a consequence of CGNAT

There are solutions like setting up a server in the cloud and use a VPN client to connect to that server, or using things like ngrok/zerotier/tailscale

Or even a VPN client to a commercial provider which supports port forward so that you port forward via your VPN provider

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DawsonDownunder
DD-WRT Novice


Joined: 23 Jul 2022
Posts: 2

PostPosted: Tue Jul 26, 2022 4:45    Post subject: Reply with quote
Thanks for that.


Turns out my ISP allows me to opt-out of CG Nat. Hope this fixes it.
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