Hello Yevgeny,

> I don't know what exactly are you trying to do,
> so I don't know which option is the correct one.
> If you just want to have default IPoIB to use
> SL4, you can use the first option:
>
>     qos-ulps
>         default          : 0 # default SL
>         ipoib            : 4 # TCP tests over IB
>     end-qos-ulps
>
> As you already noted, you will see the error message
> about SL mismatch in the OSM log. The reason for this
> is default partition configuration: if no partition
> file was provided, SM defines default IPoIB partition
> with default pkey, which is 0x7fff, and other default
> parameters, one of them is SL0.
> So you get the SL mismatch again, but SM uses what you
> provided in the QoS policy as an SL with higher precedence
> and replaces the SL0 in the partition.
>
OK, this makes sense. I carried out some tests and it did work.

Thanks for your help,

Vincent
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