[ofa-general] Re: openSM for supporting IPv6 SNM MGIDs consolidation

[Sasha Khapyorsky]

Hi Shirley,

On 21:20 Thu 02 Oct     , Shirley Ma wrote:
> 
> 	We had several customers hit multicast groups exceed issue when IPv6
> was in place in the past. My question is has IPv6 SNM (Solocited Node
> Multicast) MGIDs consolidation feature been in openSM 3.2.X? 

Yes, it is '--consolidate_ipv6_snm_req' option.

> 	If so, can the customer just updates openSM without updating the whole
> fabrics? Any backport compatibility test has been done between this
> version 3.2.X openSM and other OFED release, like OFED-1.3? Any issue or
> no problem?

AFAIK there should not be a problem with upgrade. Management packages
are not really depend from rest OFED.

> 	If not, is there any other way to increase MGIDs to 2K/4K to avoid this
> problem in a 1K node cluster, like a parameter setting in openSM depite
> of how many MGIDs the switch can support?

We don't have this feature before 3.2.x.

Sasha