[ofa-general] Re: [PATCH 1/4] ib/ipoib: specify TClassand FlowLabelwith PR queries for QoS support

Wed Aug 8 11:58:15 PDT 2007

> > > but PMTU is driven by ICMP errors which are not generated by an IB
> > > network.
> 
> > IPoIB CM code generates them in software.
> 
> Oh! That solves it for RC then. Does this happen for UD as well?

The ICMP is generated when the packet is too long to be sent
and has don't fragment bit set.

-- 
MST