Hi...very good afternoon to all. Myself Aniket Hendre, project engineer C from National Centre for Radio Astrophysics, India.
I am synchronising two boundary clocks using ptp4l. I found that the offset at the slave PHY clock from master PHY clock varies with respect to distance between these clocks. In my first experiment, master and slave are 2 Km away from each other. In this case I got offset at slave PHY clock around 50 nano second. In second experiment I relocate my slave around 20 Km from master where I got offset of 150 nano seconds. Ideally the offset between PHY clocks should remain constant though we are varying distance between them (correct me if I am wrong). For both experiments mentioned above I am issuing following common command ptp4l -i eth1 -m. I have connected these two machine using fibre optic cable with media converter on both ends. My both ethernet ports are supporting IEEE1588. Do we need to specify any parameter (which is distance dependant) while issuing above command? Because there are many PROGRAM AND CLOCK OPTIONS in ptp4l. Do we need to set any specific option? Please help. Thanks in advance Aniket Hendre ------------------------------------------------------------------------------ Site24x7 APM Insight: Get Deep Visibility into Application Performance APM + Mobile APM + RUM: Monitor 3 App instances at just $35/Month Monitor end-to-end web transactions and take corrective actions now Troubleshoot faster and improve end-user experience. Signup Now! http://pubads.g.doubleclick.net/gampad/clk?id=267308311&iu=/4140 _______________________________________________ Linuxptp-users mailing list Linuxptp-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linuxptp-users
