Re: [Linuxptp-users] Multicast group (re)join issue vs IGMP snooping

[Denny P. <den...@me...>]

The concept of Multicast membership is owned by the kernel. ptp4l does not, and can not, send IGMP packets.

Denny


> On Feb 22, 2022, at 08:10, Jakub Raczyński <j.r...@el...> wrote:
> 
> But I want to ask, should ptp4l monitor this rather than send only IGMP join packets at the start? Because I can see devices blatantly ignoring 'Membership queries' under specific circumstances (showed in the logs). So should ptp4l really depend on kernel or other drivers to work in such cases?