Re: Quick question regarding: Problematic IPv6 Multicast traffic within an IX.

[joel jaeggli <joelja () bogus com>]

On 6/24/16 9:27 AM, Bob Evans 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 ?

you can filter multicast destination addresses by acl.

NDP you kinda need since it replaces ARP

RA's you can and should filter (icmp6 type 134)

> ___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

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