Hello Richard, >If we only knew what OLT means.
OLT e Optical Line Terminal equipment, but it doesn't matter for this issue. ONT is Optical Network Terminal, and it connects to OLT by fiber and it's synchronized to it by ToD Time of Day, and ONT will work as PTP Master to CPEs connected to it. >You say that your DelayResp.receiveTimestamp is always the same. >Sounds like your new-fangled Intel ONT PRX126 (or its driver) is >broken. Yes, seems the problem is a driver issue. We are already looking on it. Thank you, Alberto ________________________________ De: Richard Cochran <richardcoch...@gmail.com> Enviado: segunda-feira, 23 de março de 2020 23:17 Para: Alberto Dias <a28...@ua.pt> Cc: linuxptp-users@lists.sourceforge.net <linuxptp-users@lists.sourceforge.net> Assunto: Re: [Linuxptp-users] Delay Response always with same timestamp (G8275.2 in one-step mode) On Mon, Mar 16, 2020 at 04:39:56PM +0000, Alberto Dias wrote: > I'm using a Intel ONT PRX126 device equipment and I want it to work as a > Master clock to client devices using ToD from OLT (OLT+ONT will work as > Boundary Clock). OLT = ??? > ToD between OLT and ONT is working correctly without issues. If we only knew what OLT means. > PTP1588v2 between ONT and Calnex as following issue: Delay Responses have > always same timestamp value and is the time of first ToD acquisition. > Everything else is working correctly, Sync messages have correct timestamps, > always changing with the correct PTP Hardware Clock PHC of the ONT. > Why Delay Response messages timestamps doesn't work like in Sync messages? What are you talking about? DelayResp is totally different from Sync. The Sync message is a PTP event, but the DelayResp is not. The DelayResp message has a receiveTimestamp field. That field is the receive time stamp of the corresponding DelayReq. You say that your DelayResp.receiveTimestamp is always the same. Sounds like your new-fangled Intel ONT PRX126 (or its driver) is broken. Thanks, Richard
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