Interesting, I just RTFM, and I'm not sure how to use it. Here's my (simplified) use case
TimeServer_PTPMaster_(192.168.0.42)<-------rj45-------->LinuxPC.eth0(192.168.0.1) LinuxPC.eth1(192.168.1.1)<---------rj45--------->PTPCamera0(192.168.1.2) LinuxPC.eth2(192.168.2.1)<---------rj45--------->PTPCamera1(192.168.2.2) Do I start 3 ptp4l instances with the boundary_clock_jbod=1 option on each? Do I start 1 ptp4l instance with -i eth0 -i eth1 -i eth2? This forces me to software timestamping? Do I start 3 ptp4l instances (eth0 slave, eth1 eth2 masters) and sync them with 3 phc2sys instances, e.g., phc2sys -s eth0 phc2sys -s CLOCK_REALTIME -c eth1 phc2sys -s CLOCK_REALTIME -c eth2 I also tried and failed to route PTP packets from 192.168.0.1 <---> 192.168.1.1 using hints such as this https://serverfault.com/questions/814259/use-ip-route-add-to-add-multicast-routes-to-multiple-interfaces I don't feel I tried hard enough yet, though. I'm a routing n00b. Thanks a lot, Maxime On Mon, Oct 1, 2018 at 9:36 PM Keller, Jacob E <jacob.e.kel...@intel.com> wrote: > > > > -----Original Message----- > > From: Maxime Lemonnier [mailto:maxime.lemonn...@gmail.com] > > Sent: Thursday, September 27, 2018 7:36 PM > > To: shouldbe q931 <shouldbeq...@gmail.com> > > Cc: linuxptp-users@lists.sourceforge.net > > Subject: Re: [Linuxptp-users] ptp forwarding > > > > Thanks for the answer. > > > > No, i really did mean nics. I have a data acquisition pc with 6 ethernet > interfaces. > > I'm looking for a software solution. > > > > Maybe the jbod (just a bunch of clocks) mode might work for you? > > Thanks, > Jake > >
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