Re: [Linuxptp-users] Building a PTP grandmaster with disciplined oscillator
PTP IEEE 1588 stack for Linux
Brought to you by:
rcochran
From: Andre P. <and...@sr...> - 2022-03-09 09:33:32
|
On 8/3/22 15:33, Richard Cochran wrote: >> I was wondering if someone has used this successfully at all? > > Yes, I would guess so. Is there a write-up or something similar available you know? >> In general, what are the steps to set this up? Is this something managed in >> the NIC driver itself or do I have to (permanently) run the `ts2phc` to keep >> to PHC in sync? > > You need to run ts2phc or similar. In general, the NICs are dumb devices. Got you. Thanks. > >> Are there studies/measurements that compare the stability of such a system >> to e.g. commercial PTP grandmaster solutions? > > I haven't seen any. I've done my own reports showing, for example, > linuxptp + Intel210 + uBlox GPS radio performing comparably to > commercial GM solutions. Same question, anyone aware of a write-up or blog post that gives some instructions on HW wiring and (if any) driver modifications? > However, making a reliable GM product is quite a bit of work. The PTP > software stack is only one piece of the puzzle. Yes of course. This effort is just to develop a poor man's GM as a PoC. But nonetheless interesting to observe that there is practically no NIC out there that brings together all the pieces. Should be quite easy to do. Cards like the Intel XXV710-DA2T or E810-XXVDA4T with GPS input are hard to get and $$$. Thanks Andre |