Re: ipfw + igmp

In reply to: Gerard E. Seibert: "ipfw + igmp"
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From: <fatty.merchandise677_at_aceecat.org>
Date: Mon, 16 Sep 2024 20:24:36 UTC

On Sun, Sep 15, 2024 at 04:38:23PM GMT, Gerard E. Seibert wrote:

> On FreeBSD, IPFW supports both protocols "ipv6-icmp" and "icmp". It
> also supports "igmp". I do not see any support for IPv6, however. Is
> IPv6 not needed for "igmp"?

wikipedia:

  IGMP is used on IPv4 networks. Multicast management on IPv6 networks
  is handled by Multicast Listener Discovery (MLD) which is a part of
  ICMPv6 in contrast to IGMP's bare IP encapsulation.

-- 
Ian