[openib-general] [PATCH] IB/ipoib: use appropriate path selector

[Jason Gunthorpe]

On Thu, Sep 14, 2006 at 01:08:59AM +0300, Michael S. Tsirkin wrote:

> > Umm -- why does it need a 2K MTU?  As far as I know it should work
> > fine with any MTU, assuming the SA sets the MTU of the broadcast
> > multicast group correctly.
> 
> Hmm, you are right, it is just that existing implementations all
> set that to 2K.

IPv6 has a required minimum MTU of 1280 bytes. If IPv6 is to be used
over IB then the MTU must be 2k.

Jason