no, i am not using hybrid_e2e option. just two port, port 0 as master and port 1 as slave (ordinary clock mode), and they are connected with cable. run ptp4l on port 0 and run another ptp4l on port 1, but port 0 didn't send delay response message.
Thanks Alex Miroslav Lichvar <mlich...@redhat.com> 于2022年11月23日周三 22:12写道： > On Wed, Nov 23, 2022 at 08:41:36PM +0800, Hamilton Alex wrote: > > Hi, Miroslav: > > Thank you for your reply! > > but i didn't understand, on a single system, port 0 as master and port 1 > as > > slave, and there is cable connect port 0 and port 1 for pkt > communication. > > why ptp protocol doesn't work this way? > > Are you using the hybrid_e2e option? > > This is not an issue with the protocol. As I understand it, the kernel > will normally not send or accept a unicast packet to itself over a > real network interface. It has the loopback interface for that. > > One way to get around that is to use multiple network namespaces. > > -- > Miroslav Lichvar > >
_______________________________________________ Linuxptp-users mailing list Linuxptp-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linuxptp-users
