IPv6 NDP is multicast so you can not block multicast with a layer 2 ACL. You need L3 ACL to block all multicast except NDP packets.
Of course any switch in use at a major transition point in the internet should have that capability. Regards, Baldur On 24 June 2016 at 18:27, Bob Evans <[email protected]> wrote: > > Is it true that managed Layer2 switches used by IX's can not block IPv6 > multicast ingress port traffic from broadcasting to all ports ? > > ___Yes , seen many IXs with IPv6 multicast continuing yet IPv4 multicast > is blocked. > > ___No , All should be able to bock IPv6 multicast. > > ___Only a few specific managed switch manufacturers have this issue with > IPv6 multicast broadcasting. > > You're knowledge on this problem would be helpful. > > Thank You in advance. > > Bob Evans > CTO > > > > > > >
