[openib-general] ip_ib_mc_map?

[Or Gerlitz]

On 2/2/07, Doug Ledford <dledford at redhat.com> wrote:
> > As of the importance for us to have IP multicast working fine with
> > IPoIB over RH4...
> > do you have an IB setup to test that?
>
> Yeah, I've got a setup, I just don't have any multicast tests that I
> run.  Any test programs you have for multicast in particular would be
> helpful.

This is farely simple to do: have some multicast traffic routed over
an IPoIB subnet on two nodes, eg using

$ route add -net 224.0.0.0 netmask 255.0.0.0 dev ib0

and then

server

$ iperf -usB 224.5.5.5 -i 1

client

$ iperf -uc 224.5.5.5 -l 100 -b 50M -t 30 -i 1

Or.