Re: [Linuxptp-users] Error accessing /dev/ptp0

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

On Thu, Aug 07, 2014 at 09:41:14PM +0800, Ronex Dicapriyo wrote:
> PTP master/slave is not working while I tried to run it over same host.
                                                          ^^^^^^^^^^^^^^
What? That doesn't make any sense.

> And Can you please suggest How I could run it on two different linux host, Do I need to use some kind of multicast forwarding for that ?

I already told you how to do that.

  ptp4l -i eth0 -m -q     # master
  ptp4l -i eth0 -m -q -s  # slave

> I tried to run PTP master behind, 10.0.0.1/24 and slave behind 10.0.1.1/24 
...
> piface_1 and piface_2 exist on the host, where I am running two linux guest host.

PTP probably won't work in a virtual machine. Try a real machine instead.

Thanks,
Richard