Mesh testing on a cluster

[Francesco]

Network manager was evil for me...on all machines involved in my tests I
wipe it away, installed wicd instead or configured it by hand.
Actually I managed to send on network some traffic generated with mgen, to
see how paths through nodes are chosen.Made some measurements. Pretty cool
except for that program is a little buggy..
Now I'm gonna see how the mesh behave with much more different shaped
traffic, video (tried a divx multicast and works like a charm :-) ), voip
and so on...

Brian how many nodes were you able to interconnect?
Did you get to use brdges among different mesh or all nodes belong to the
same one?

In case thing changed I ask again if anyone did succed into bridging the
mesh with Internet...any piece of code would be really appreciated :)



2009/3/16 Brian DeLacey <bdelacey at gmail.com>

> We made progress today getting a test mesh configuration established on a
> cluster. So far, we've only done a few basic tests, pinging nodes on the
> cluster, across the mesh but things are working well.
>
> We have a rack of clustered PCs and we've been able to ping those, via
> multiple hops, from laptops outside the cluster. The tricky part was how to
> test these remotely. We had to figure out a way to get around the usual
> first step, which is typically to "killall NetworkManager" so that we could
> continue to test via ssh remote logins. Thank you, Andrey, for providing the
> suggestion on how to handle this:
>
> Problem > Is there any way (or hope) to run mesh tests without
> shutting down NM? The cluster of computers we have access to has ongoing
> uptime demand.
>
> Solution > Tell NetworkManager to ignore the mesh interface, and the
> mesh-capable WiFi interface in general.  It's ok to have NM running as long
> as it leaves our mesh interface alone, otherwise it brings it up/down, tries
> to scan, etc.
>
> Now we move on to more advanced testing ...
>
> Brian
>
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-- 
Francesco Cappuccio
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