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Re: [Openvpn-users] tun device on 2.6?


  • Subject: Re: [Openvpn-users] tun device on 2.6?
  • From: Bradley Alexander <storm@xxxxxxx>
  • Date: Wed, 3 Mar 2004 22:29:02 -0500

Already did this. the tunnel works fine on 2.4.24 on the same machine.

On Wed, 3 Mar 2004 21:46:16 -0300 (BRT)
"Renato Salles" <rsalles@xxxxxxxxxxxxxxxxxxxx> wrote:

> So, the steps to follow - if you didn't already - are:
> 
> mkdir /dev/net
> mknod /dev/net/tun c 10 200
> chmod 0700 /dev/net/tun
> 
> ( It's really impressive the quality & amount of documentation one can
> find in the kernel-sources... :)
> 
> Enjoy,
> 
> RSalles
> 
> 
> Bradley Alexander disse:
> > In my particular case, I compiled it into the kernel, rather than being a
> > module.
> > Hence, it should work without a modprobe. It is the same in 2.4.24, and it
> > works fine.
> >
> > I did add mktun to the config file on that side of the tunnel, and will
> > try it later, when I have a chance to reboot onto 2.6.
> >
> > On Wed, 3 Mar 2004 04:11:14 -0300 (BRT)
> > "Renato Salles" <rsalles@xxxxxxxxxxxxxxxxxxxx> wrote:
> >
> >> Patrick, Bradley,
> >>
> >> You can check also if this device is listed in /etc/modprobe.conf (or
> >> equivalent in your distro):
> >> alias char-major-10-200 tun (this is necessary for 2.6.x (here also,
> >> 2.6.3).
> >>
> >> You better switch to runlevel 1 and back, to watch if the tun device is
> >> created when the tun+ interface is called. Or "modprobe tun".
> >>
> >> HTH,
> >>
> >> RSalles
> >>
> >>
> >> Patrick Lesslie disse:
> >> > On Tue, Mar 02, 2004 at 11:08:26PM -0500, Bradley Alexander wrote:
> >> >> [root@neghvar net]# ifconfig tun0 up
> >> >> tun0: ERROR while getting interface flags: No such device
> >> >>
> >> >> When I boot 2.4.24, the device works fine. Am I missing some software
> >> >> that
> >> >> 2.6 requires or is it broken? I searched on google for anything
> >> >> regarding
> >> >> this issue, but the only thing I found was a two-message thread on
> >> the
> >> >> kernel list saying "tun is broken on 2.6.3" and "no its not, I'm
> >> using
> >> >> it"
> >> >> with very few details. Any suggestions?
> >> >
> >> > Do you know if the tun device is being created?  You can make it with
> >> >
> >> > openvpn --mktun --dev tun0
> >> >
> >> >
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> >>
> >>
> >> --
> >> "A well-written program is its own heaven; a poorly-written program is
> >> its
> >> own hell."
> >> TAO of Programming - Book 4
> >>
> >>
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> >
> > --
> > --Brad
> > =======================================================================Bradley
> > M. Alexander                |
> > gTLD SysAdmin, Security Engineer    |   storm [at] tux.org
> > Debian/GNU Linux Developer          |   storm [at] debian.org
> > =======================================================================Key
> > fingerprints:
> > DSA 0x54434E65: 37F6 BCA6 621D 920C E02E  E3C8 73B2 C019 5443 4E65
> > RSA 0xC3BCBA91: 3F 0E 26 C1 90 14 AD 0A  C8 9C F0 93 75 A0 01 34
> > =======================================================================Assault
> > is a behavior, not a device.
> >
> >
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> >
> 
> 
> -- 
> "A well-written program is its own heaven; a poorly-written program is its
> own hell."
> TAO of Programming - Book 4
> 
> 
> -------------------------------------------------------
> This SF.Net email is sponsored by: IBM Linux Tutorials
> Free Linux tutorial presented by Daniel Robbins, President and CEO of
> GenToo technologies. Learn everything from fundamentals to system
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> _______________________________________________
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-- 
--Brad
========================================================================
Bradley M. Alexander                |
gTLD SysAdmin, Security Engineer    |   storm [at] tux.org
Debian/GNU Linux Developer          |   storm [at] debian.org
========================================================================
Key fingerprints:
DSA 0x54434E65: 37F6 BCA6 621D 920C E02E  E3C8 73B2 C019 5443 4E65
RSA 0xC3BCBA91: 3F 0E 26 C1 90 14 AD 0A  C8 9C F0 93 75 A0 01 34
========================================================================
It's lonely at the top, but you eat better.

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