[Planetlab-users] Setting: ip_forward

[Jennifer Rexford]

Alam,

Hi, you might also find it useful to try out VINI 
(http://www.vini-veritas.net/), which is essentially an extension to the 
PlanetLab software to support experiments that need to be closer to the 
network (e.g., like evaluating routers and packet forwarding), with 
packet forwarding in the kernel.

-- Jen
> I'm not a planetlab developer, but I believe
> that's a system-wide setting that would affect
> everyone on the node, since everyone shares the
> same IP address.
>
> PlanetLab does have safe raw sockets, which only
> allow you to see data for your slice. Using that
> and your own application-level stack, you should
> be able to build a custom router.
>
>
> abakr at stevens.edu wrote:
>> Hello All,
>>
>> I am trying to set ip_forward value on a planetlab node using the 
>> command:
>>    > sudo sysctl -w net.ipv4.ip_forward=1
>>
>> But, I got this error;
>>    error: permission denied on key 'net.ipv4.ip_forward'
>>
>>
>> Can I set ip_forward value or not ? and why?
>>
>> I need to use planetlab node as a router to forward data to next hops.
>>
>>
>> Regards,
>>
>> Alam Bakr
>>
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>
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