[j-nsp] Multicast through a switch

[Olivier Benghozi]

This is a bug, not a feature :P

> On 9 janv. 2018 at 11:00, Gert Doering <gert at greenie.muc.de> wrote :
> 
> Well.  Sort of.  EX3300 manages to apply IGMP-snooping logic to 224.0.0.x
> multicast, which by definition is link-local and is not(!) IGMP-queried
> for - thus breaking EIGRP routing, for example.  And annoyingly this
> feature is on-by-default.