>Hi,

>On Sat, Sep 02, 2023 at 11:44:08AM +0000, Jason Long via Openvpn-users wrote:
> I connected to the server, but default gateway not set:
> 
> Unknown adapter OpenVPN TAP-Windows6:
> 
>    Connection-specific DNS Suffix  . :
>    Link-local IPv6 Address . . . . . : fe80::b404:5a8b:df0e:52c3%15
>    IPv4 Address. . . . . . . . . . . : 10.8.0.6
>    Subnet Mask . . . . . . . . . . . : 255.255.255.252
>    Default Gateway . . . . . . . . . :
> 
> Why?


>"redirect-gateway def1" will not set "a default route" but "2 half 
>default routes".

>So you'll never see them in "default gateway", but in "route print"

>(OTOH, in your setup without any default gateway beforehand, it might
>not work without the "local" or "autolocal" flags to redirect-gateway -
>which I already wrote some weeks ago)

>gert
>-- 
>"If was one thing all people took for granted, was conviction that if you 
>feed honest figures into a computer, honest figures come out. Never doubted 
>it myself till I met a computer with a sense of humor."
>                            Robert A. Heinlein, The Moon is a Harsh Mistress

>Gert Doering - Munich, Germany                            g...@greenie.muc.de



Hi,
Thank you so much for your reply.
I set the Windows OS network configuration manually:

https://pasteboard.co/jXn3NHjHxTR7.png


And as you can see, I never set the DNS server IP addresses and because of it, 
I can't ping the targets with their names. I used the Linux box IP address as 
the Windows default gateway.

I added the following lines to my Server.conf:

push "route 10.0.2.0 255.255.255.0 10.0.2.2 1"
push "dhcp-option DNS 172.20.1.2"
push "dhcp-option DNS 172.20.1.7"
push "redirect-gateway autolocal"

Added the following line to Client.ovpn:

route 10.0.2.0 255.255.255.0 10.0.2.2


I connected to the OpenVPN server and "TAP-Windows Adapter" is as the below:

https://pasteboard.co/15EbmDTzN8xS.png


As you see, the DNS server IP addresses added to the TAP-Windows Adapter, but I 
can't ping the targets with their names:

C:\> ping google.com
Ping request could not find host google.com. Please check the name and try 
again.

C:\>


The routing table is:

C:\> route print 4
===========================================================================
Interface List
 15...00 ff 6a 2b f0 fa ......TAP-Windows Adapter V9
 14...........................Wintun Userspace Tunnel
 11...08 00 27 43 77 e3 ......Intel(R) PRO/1000 MT Desktop Adapter
  1...........................Software Loopback Interface 1
 12...00 00 00 00 00 00 00 e0 Microsoft ISATAP Adapter
 13...00 00 00 00 00 00 00 e0 Microsoft ISATAP Adapter #2
 16...00 00 00 00 00 00 00 e0 Microsoft ISATAP Adapter #3
===========================================================================


IPv4 Route Table
===========================================================================
Active Routes:
  None
Persistent Routes:
  None

IPv6 Route Table
===========================================================================
Active Routes:
  None
Persistent Routes:
  None


When the OpenVPN virtual NIC has the DNS server IP addresses, then why I can't 
ping the target with their names?


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