> -----Original Message----- > From: OLIVA VENEGAS Yaset - Subcontractor [mailto:yaset.oliva- > venegas.subcontrac...@crf.canon.fr] > Sent: Thursday, April 12, 2018 5:17 AM > To: linuxptp-users@lists.sourceforge.net > Subject: [Linuxptp-users] Test fails with tap interfaces and UDP protocol > > Hello, > > > > I've been trying to test without success ptp4l with virtual tap interfaces > using > UDP. > > The symptom is that no foreign clock is seen and then the slave auto-select as > BM. However using Ethernet the foreign clock is seen and selected. > > > > My network is composed of two tap interfaces and one switch in-between. > > Traffic analysis (using Wireshark) on the slave interface shows the UDP > packets as > expected. > > However, debugging ptp4l demonstrates that no UDP packet is received at > application level (printing the FD on events is always FD_ANNOUNCE_TIMER). > >
Common problems could include (a) firewalld or iptables interfering? (b) did you make sure ptp4l is configured to use UDP? Thanks, Jake > > I'd appreciate any comment on this. > > > > Thanks, > > > > Yaset ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, Slashdot.org! http://sdm.link/slashdot _______________________________________________ Linuxptp-users mailing list Linuxptp-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linuxptp-users
