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AirVPN works on WiFi NIC but not on LAN NIC

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#1 lyptow



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Posted 10 January 2017 - 12:13 PM

Hi Everybody !

I have some trouble to make AirVPN worked on Ethernet LAN NIC while it works on WiFi NIC. My Laptop (W10 64 bit Pro) have 2 NICs :

LAN (Ethernet 1 Gigabit) : Realtek PCIe GBE Family Controller - DHCP auto IP and DNS

WiFi  :  Qualcomm Atheros AR9485WB-EG Wireless Network Adapter - DHCP auto IP and DNS

TAP : TAP-Windows Adapter V9

My ISP : Orange (FR) FTTH 100 Mbps

My client : airvpn W10 64bit portable, protocol UDP 443

Test 1 : trying to connect on recommended server with LAN NIC


As you can see in the log, it doesn't work.

Test 2 : trying to connect on recommended server with WiFi NIC


On WiFi it works.

I think it's TAP NIC that screw up when i use Ethernet Cable on LAN NIC. Of course I uninstall my TAP and reinstall it, but it still doesn't work. I reseted W10 tcp ip stack but it changes nothing (by following https://community.openvpn.net/openvpn/wiki/reset-network-tcp-ip-stack).

I have no idea what's happening.
Ask me if you need more infos / log etc.




EDIT 1 : in the log, we see "Le nom distant n'a pas pu être résolu ......... " (i.e The remote name could not be resolved ...) but my DNS are OK.

#2 LZ1


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Posted 10 January 2017 - 01:54 PM



Please feel free to disable IPv6 and also try the Beta client.

Open This Spoiler If: A Website Is Blocked, You Want To Help AirVPN, Find The Beta/Experimental Client Or You're A New User Wanting Help/Information


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#3 zhang888


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Posted 10 January 2017 - 03:15 PM

Make sure your DNS are set to automatic in your LAN adapter.

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#4 lyptow



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Posted 10 January 2017 - 03:56 PM

My NICs are on DHCP (so it's automatic) for IP and DNS configuration. IPv6 is disabled on all NICs.


Edit 1 : I disabled all my Firewall and any kind of protection, I dowloaded Experimental Client Eddie, with default client configuration it doesn't work.


Edit 2 : I disabled DNS Switch Mode, it works


-> Conclusion : it's a DNS forcing issue


Edit 3 : is this a problem ? what is DNS Switch Mode ?


On ipleak.net, I can see that my DNS is the AIR server

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