[Planetlab-users] Trafic tunneling in PlanetLab? (OpenVPN)

[christopher.reason at bt.com]

Did you ever find a solution to this?
I'm trying to do something similar, but just using OpenVPN and I too
encounter permission problems:

$ /usr/sbin/openvpn server.txt
$ OpenVPN 2.1_rc15 i386-redhat-linux-gnu [SSL] [LZO2] [EPOLL] built on
Nov 30 2008 
$ NOTE: OpenVPN 2.1 requires '--script-security 2' or higher to call
user-defined scripts or executables 
$ ******* WARNING *******: all encryption and authentication features
disabled -- all data will be tunnelled as cleartext 
$ Note: Cannot open TUN/TAP dev /dev/net/tun: Permission denied
(errno=13) 
$ Note: Attempting fallback to kernel 2.2 TUN/TAP interface 
$ Cannot open TUN/TAP dev /dev/tap0: No such file or directory (errno=2)

$ Exiting


$ sudo /usr/sbin/openvpn server.txt
$ OpenVPN 2.1_rc15 i386-redhat-linux-gnu [SSL] [LZO2] [EPOLL] built on
Nov 30 2008 
$ NOTE: OpenVPN 2.1 requires '--script-security 2' or higher to call
user-defined scripts or executables 
$ ******* WARNING *******: all encryption and authentication features
disabled -- all data will be tunnelled as cleartext 
$ Note: Cannot ioctl TUNSETIFF tap0: Operation not permitted (errno=1) 
$ Note: Attempting fallback to kernel 2.2 TUN/TAP interface 
$ Cannot open TUN/TAP dev /dev/tap0: No such file or directory (errno=2)

$ Exiting

###########################
WHERE server.txt:
#create an ethernet tunnel
dev tap0

#use a transparent tunnel to begin with
auth none
cipher none

ifconfig 192.168.3.2 255.255.255.0
verb 3
###########################

I'm fairly sure people have been using openvpn on PL before, so does
anyone have any ideas?

Thanks,
Chris Reason
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