[ofa-general] Re: [RFC] OpenSM and IPv6 Scalability Proposal

[Jason Gunthorpe]

On Wed, Jun 11, 2008 at 02:05:09PM -0700, Hal Rosenstock wrote:
> On Wed, 2008-06-11 at 14:19 -0600, Jason Gunthorpe wrote:
> > I expect an IB router to ignore the M-DLID entirely, it contains no
> > information that it needs.
> 
> What about M-DGID ? It needs to at least filter on link local scope if
> the MLID were overloaded. Other MGID scopes are under admin control.

Yes, it must act based on M-DGID depending on how it is configured,
minimally by discaring link local scope. That is mostly likely all
folded into the larger multicast routing table a router will need have.

Jason