thomas escreveu:
Hi misc,
I have the parameters below, in openvpn config. OpenBSD is the client,
the server is already working with non OpenBSD clients.
dev tun0
dev-type tap
When I start openvpn, the system creates the interface tun0, ifconfig
shows it like a real interface not a point to point, like I saw without
the dev-type tap parameter. When the connection is setup I can ping
the local IP address but not the server one.
I played with route a bit, and I am not convinced with my settings yet.
Before going further, I wanted to be sure that tap devices worked Ok
with openvpn as there are not much information on it on google.
Thanks in advance.
From the openbsd tun(4) man page:
.
.
.
Both layer 3 and layer 2 tunneling is supported. Layer 3 tunneling is
the default mode; to enable layer 2 tunneling mode the link0 flag needs
to be set with ifconfig(8), or by setting up a hostname.if(5)
configura-
tion file for netstart(8). In layer 2 mode the tun interface is
simulat-
ing an Ethernet network interface.
.
.
.
So you need to set the link0 flag on the tun0 if. You do this by
creating a /etc/hostname.tun0 containing the following statement:
link0 up
This should solve your problem. But, why use tap instead of tun? Routing
is way more efficient than bridging.
My regards,
--
Giancarlo Razzolini
Linux User 172199
Red Hat Certified Engineer no:804006389722501
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