[Planetlab-users] TUN/TAP support on 4.2 nodes?

[Andreas Haeberlen]

Hello Sapan,

we've been using TUN/TAP for several of our projects, including Monarch
and SatelliteLab, and I don't think we can easily replace it with
another mechanism. So if there is a way to add it back into the
4.2 release, that'd be great.

Thanks,

             - Andreas


> Hi Andreas,
> 
> The tun/tap interface will not be supported in the initial release of
> PlanetLab 4.2. However, if there is enough interest in retaining this
> functionality, then we'll issue out a code patch to do so shortly
> after the upgrade is complete.
> 
> You may want to consider using the new Trellis installation
> (http://www.vini-veritas.net/documentation/trellis/poweruser) if
> you're trying to create virtual topologies.
> 
> Sapan
> 
> On Wed, Jun 4, 2008 at 4:27 AM, Andreas Haeberlen <ahae at cs.rice.edu> wrote:
>> Hello,
>>
>> I've been trying to figure out how to set up a TUN/TAP interface
>> on the new PlanetLab 4.2 nodes. The old nodes used to have a
>> preconfigured 'tap0' interface, but that seems to have disappeared,
>> and the TUNSETIFF ioctl now fails with EPERM. Does anybody know
>> where I can get documentation about the 'new' vnet, or has
>> anybody managed to get TUN/TAP to work on 4.2?
>>
>> Thanks,
>>
>>            - Andreas
>>
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>>
>