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Joined: Thu Aug 06, 2020 2:42 pm

Mikrotik hEX PoE (V 649) - OVPN Server

Mon Oct 11, 2021 5:19 pm

Hi to everyone,
I have configured the mikrotik in question as an ovpn server.

- created certificates and exported after having signed and started them;
- set proxy-arp on eth-wan "line" (bridge-wan interface in my case)
- created secret user for connecting clients to the vpn network

once the certificates have been imported into the client (Windows os), created file secret
loaded and configured the config.ovpn file

on the perimeter router (ISP router) I opened the TCP and UDP 1194 port towards Mikrotik

the mikrotik has a LAN address towards the ISP ROUTER

the mikrotik has as its internal LAN address
it also serves as a dhcp server

When I tried to connect the vpn from the client (windows os), the resulting error is:
client side logs -> TCP / UDP: Closing socket
mikrotik logs side -> duplicate packet, dropping

Anyone good enough to help me?

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Posts: 148
Joined: Tue Apr 13, 2021 2:14 am
Location: Belgium

Re: Mikrotik hEX PoE (V 649) - OVPN Server

Mon Oct 11, 2021 9:14 pm

Is the tunnel functional or not ?

As for the duplicate error:

This error message does not have any impact on the VPN connection establishment, it simply warns you that the client sent duplicate message which some client software (for example Windows) do.

Best regards, Emils Z."

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