Hi,

On Sun, Sep 03, 2023 at 06:05:09AM +0000, Jason Long wrote:
> 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"

This *should* install a default gateway, but if it doesn't, check the
client log files what goes wrong.  I've never used "autolocal" without
also setting "def1", but according to the manpage it might work.

Generally speaking, for anyone still bothering with IPv4, using "def1"
is always recommended.  So

push "redirect-gateway def1 autolocal"

> The routing table is:
> 
> C:\> route print 4
> 
> IPv4 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?

because you have no routes toward the DNS server IPs.

(Somthing is wrong with your "route print" command anyway, I do not think
that "4" is doing what you want, namely, show only IPv4 - most likely it
tries to lookup a route towards "4", however that is interpreted)

Again, this is all basic understanding of IP and routing, and not an
OpenVPN problem.

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

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