[vserver] OpenVPN Interface

From: Gordan Bobic <gordan_at_bobich.net>
Date: Tue 23 Nov 2010 - 14:30:42 GMT
Message-ID: <4CEBD012.4080609@bobich.net>

Hi,

I'm trying to get an OpenVPN server running in a guest and I have a
peculiar problem. I cannot seem to manually create an OpenVPN interface
exactly the same as what is created by:

# openvpn --mktun --dev tun0
TUN/TAP device tun0 opened
Persist state set to: ON

# ip link
77: tun0: <POINTOPOINT,MULTICAST,NOARP> mtu 1500 qdisc noop state DOWN
qlen 100
     link/[65534]

How can a device with link type [65534] be created using the ip
commands? The closest I could come up with is something like:
# ip tunnel add tun0 mode ipip local 192.168.0.1 remote 192.168.0.2
# ip link set tun0 mtu 1500
# ip addr add dev tun0 local 192.168.0.1 peer 192.168.0.2

But that ends up with link type ipip and openvpn with ifconfig-noexec
cannot seem to use it (it tries to look for non-existant device node
/dev/tun0). When tun0 is created using:
# openvpn --mktun --dev tun0
it works fine.

Ideally I want to make the device come up using the standard distro
ifcfg config scripts rather than the openvpn command. Has anyone managed
to get that to work?

Gordan
Received on Tue Nov 23 14:32:51 2010

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