Re: [Linuxptp-users] ptp4l and multiple network devices

[Richard C. <ric...@gm...>]

On Thu, Aug 03, 2017 at 01:12:48PM -0700, Vadim Butakov wrote:
> First of all, thanks for ptp4l. You did an awesome job!
> I'm using two PTP cameras connected to two ethernet network devices
> (non-PTP) on my PC, and I'm trying to sync them by using the software PTP.

Can you tell us why you want "slave only" mode on the PC's second
interface?

> Can you please give me a hint on what is the proper way to do it?

Start one instance of ptp4l which uses both interfaces:

    ptp4l -i enp6s0 -i enp7s0 -m -S

The master/slave port roles will be selected automatically using the
protocol.

HTH,
Richard