[CentOS] OpenVPN TAP interface problem.

Tue Aug 21 14:38:10 UTC 2012
m.roth at 5-cent.us <m.roth at 5-cent.us>

Rafał Radecki wrote:
> Hi all.
> I have an OpenVPN server:
> 2.2.1-1 x86_64
> After successful start of openvpn service (Tue Aug 21 16:12:24 2012
> us=644993 Initialization Sequence Completed in logfile) I have:
> Client interface:
> 9: tap0: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN qlen 100
>     link/ether 4a:3d:52:dc:51:c3 brd ff:ff:ff:ff:ff:ff
> When I start the tunnel I am not able to ping IP on server, the
> TAP interface is also in DOWN state. I have no firewall configured. My
> log file is attached.
> Should I have an IP addres on my TAP interface?

I know nothing at all about OpenVPN, but the first thing I'd look at is
why it's in a DOWN state.