On Dienstag 09 Oktober 2007, Benjamin Henrion wrote:
On 10/2/07, Axel Neumann <axel(a)open-mesh.net> wrote:
> We have used OpenVZ (linux-2.6.18-openvz-028.035.1) for emulating batman
> and olsr.
> Further background information about the setup is given here:
> The following worked:
> - On 2GHz core duo notebook (qemu using only one processor and 800MB
> Ram) - More than 100 virtual instances idling in parrallel
> - About 60 virtual instances running olsr or batman in parrallel
> - use brctl, ebtables, TC, and NETEM for configuring virtual networks
> with - dedicated links
> - dedicated packetloss, delay for unicast and broadcast traffic
I have tested the OpenVZ livecd with a small window manager (consumes
128MB in RAM), and with 10 instances running batman or olsr, it works
fine with 512MB of RAM, but my problem is that the livecd does not
supports ebtables it seems, which I need to configure for avoiding
bridge shortcuts between the nodes.
Does anybody has experience with ebtables? Does it needs a kernel
patch? Or it is just user-space?
If you follow the link in the above lines, you will find a line like:
... patched again to fix a bug in the ebtables part of the 2.6.18 kernel
extracted from patch-18.104.22.168 from
and downloadable here...
Why not having a look ?
OpenVZ looks very promising for network simulators, it consumes very
few memory, especially if you use a mounted HD to store the
Benjamin Henrion <bhenrion at ffii.org>
FFII Brussels - +32-484-566109 - +32-2-4148403
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