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The L2TP-VPN server did not respond

Posted: Mon Nov 28, 2022 10:41 am
by charleslim
I hit below error message when using L2TP on Mac machine. It works just fine on Windows 10 with softether client installed. I also tried iPhone, iPad all hitting the same error message. Could anyone please advise where did I miss?

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The L2TP-VPN server did not respond. Try reconnecting. If the problem continue, verify your settings and contact your administrator.
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Re: The L2TP-VPN server did not respond

Posted: Mon Nov 28, 2022 1:16 pm
by solo
softether client != l2tp client

read https://www.vpnusers.com/viewtopic.php? ... 475#p95789

Re: The L2TP-VPN server did not respond

Posted: Mon Nov 28, 2022 3:26 pm
by charleslim
I have followed the link https://www.softether.org/4-docs/2-howt ... ient_Setup but still not working. Not sure whether I need to port forwarding udp 500, 992 and tcp 443 and etc.

Re: The L2TP-VPN server did not respond

Posted: Mon Nov 28, 2022 4:16 pm
by mjthelearner
i had this bug today, problem is with iphone keyboard maybe,

when i type the ip with ios keyboard, it doesnt work

just copied my server ip number form whatsapp chat, paste it into server field and its working,, tooo weird bug .

Re: The L2TP-VPN server did not respond

Posted: Tue Nov 29, 2022 4:26 am
by charleslim
It works perfectly fine now after port forwarding the UDP & TCP ports and add those ports to Inbound Rules. Connect L2TP from Macbook without any issue. Thank you everyone for assistance. :)

Re: The L2TP-VPN server did not respond

Posted: Tue Nov 29, 2022 12:25 pm
by charleslim
I continue the issue here.

L2TP/IPSEC VPN connection works fine via internal network. But it doesn't work outside network and I am thinking whether it has something to do with WAN port. Anyone has any idea here?

Re: The L2TP-VPN server did not respond

Posted: Tue Dec 20, 2022 9:27 am
by mjthelearner
Maybe it caused by firewall rules, disable firewall on server and check if works