Problems with OpenVPN+routing and creating tun0 interface

Mike Tancsa mike at sentex.net
Fri Sep 22 07:52:15 PDT 2006


At 10:22 AM 9/22/2006, Václav Haisman wrote:
> >
>The problme was on the server, it had my address restricted in firewall.
>
>I managed to make the tunnel. And I could ping the 192.168.23.1 address
>from mine 192.168.23.4. I had to restart the serivce because I did some
>changes to the OpenVPN client configuraton. Now I cannot ping again. But
>according to tcpdump the connection is there. And I cannot even ping
>mine 192.168.23.4. Missing routes or someting, after I restarted the serice?

Perhaps a better question to ask on the openvpn 
mailling list. But provide more details as to your config.

One FreeBSD tip with openvpn that I find helpful 
is to specify which tun device to use-- 
especially if you have other tun users like ppp 
or pppoe, is to create a specific interface and tell openvpn to use it.

On my boxes I do the following prior to starting up openvpn
cat /dev/null > /dev/tun101

and in openvpn, I tell it to use

dev tun101

         ---Mike 



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