Re: [Linuxptp-users] Multicast group (re)join issue vs IGMP snooping
PTP IEEE 1588 stack for Linux
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From: Richard C. <ric...@gm...> - 2022-02-17 23:51:20
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On Thu, Feb 17, 2022 at 05:26:15PM +0100, Janusz Użycki wrote: > From our observations for IPv4 (L4) E2E it still applies to ptp4l. On Cisco > and Netgear switches (even L3 set as L2 switch) IGMP snooping must be > disabled for proper PTP multicast work. So their "IGMP snooping" feature is broken. Ask them to fix it. Thanks, Richard |