[openib-general] IPv6oIB neighbour discover broken when MCGs overflow

[Roland Dreier]

 > Even SM supports 1000 MCGs, it's still not sufficitent for 250 nodes
 > cluster, each node have 4 links for IPv6 without any scope/global IPv6
 > address configured.(250*4+ a few default MCGs) There will be a MCG overflow
 > problem anyway in IPv6oIB.

But what's the problem with supporting 1000 or even 10000 MCGs?

 - R.