[openib-general] IPoIB and lid change

Hal Rosenstock halr at voltaire.com
Fri Feb 10 08:05:34 PST 2006


On Wed, 2006-02-08 at 15:14, Michael S. Tsirkin wrote:
> Hi, Roland!
> One issue we have with IPoIB is that IPoIB may cache a remote node path for a
> long time. Remote LID may get changed e.g. if the SM is changed, and IPoIB might
> lose connectivity.

The remote LID may get changed for other reasons too without an SM
change (SM merge of 2 separate subnets). How can this be handled ?

-- Hal

> One simple way to address this would be to have a list of all
> address handles per net device and kill them on an SM change event.
> 
> What do you think?




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