Re: [Linuxptp-users] ptp over prp

[Emmanuel F. <man...@gm...>]

Le 10/06/2022 à 08:21, Kirchhoff, Philip a écrit :
> Actually, it is not PTP over PRP, but PTP over two networks, on which 
> PRP is also running.
> However, as you can see, the PRP driver assigns an identical MAC 
> address for both network interfaces. We wondered if this would be a 
> problem for the ptp4l.
> Also, the question arises whether one ptp4l instance can handle two 
> network interfaces, or whether we should have two ptp4l and two 
> phc2sys processes.
> And finally another question: Is it necessary for the PTP protocol 
> that the interfaces have IP addresses?
PTP could be run in L2 mode and you will not need IP addresses on the 
interfaces.
That was the mode I used: L2 on dedicated physical network.

Emmanuel.