[openib-general] [PATCH] IPoIB CM Experimental support

Michael S. Tsirkin mst at mellanox.co.il
Fri Dec 8 03:04:04 PST 2006


>> > You can't send UDP/multicast traffic at all between IPoIB 
>> CM and IPoIB
>> > UD?
>> 
>> With my experimental code, this currently works only if you 
>> manually limit the MTU
>> for multicast/UD addresses.
>> The simplest way to do this is to set up separate interfaces 
>> for CM and UD modes.
>
>Separate interfaces as in ib0 vs ib1?
>Thus I can use IPoIB HA or IPoIB
>CM but not both, which is not very useful.

There are many ways to use both IPoIB HA and IPoIB CM at the same time.
You can create a child interface and use that for IPoIB CM.
Or you can force lower MTU for UD destinations in
the routing table.

>Speaking of IPoIB CM, willit work with the OFED IPoIB HA?

Should work.

-- 
MST




More information about the general mailing list