NTS-pico3 Troubleshooting

To troubleshoot NTS-pico3 you need first to log into device console using serial cable or SSH.

How to check if PTP is working?

From NTS-pico3 console you can check if ptp process is running. If everything is fine, you shall get 1 in return:

[[File:{{{model}}}_ptp1.png|400px|border|class=tlt-border]]

If there is no ptp process you will get 0 (make sure, that you have enabled PTP in web panel):

[[File:{{{model}}}_ptp2.png|400px|border|class=tlt-border]]

How to check if NTS-pico3 sends PTP messages?

To check if NTS-pico3 is actually sending PTP IEEE1588 messages over your LAN network you use tcpdump utility and see if PTP frames are going out of device:

1) PTP L2 (Ethernet)

• To see only PTP (0x88F7) Ethernet packets:

[[File:{{{model}}}_ptpl2.png|400px|border|class=tlt-border]]

2) PTP L4 (UDP)

• To capture PTP UDP transmission we need to dump tcp packets going to ports 319 and 320:

[[File:{{{model}}}_ptpl4.png|400px|border|class=tlt-border]]

[[Category:{{{model}}} User Manual]]