Ouster OS1 - Page 92

Configuringptp4l forMultiplePorts
OnaLinuxsystemwithmultipleEthernetports(i.e. Inteli210)ptp4l needstobeconfiguredtosupport
allof them.
Modify/etc/linuxptp/ptp4l.conf andappend thefollowing,replacingeno1 andeno2 withtheappropri-
ateinterfacenames:
boundary_clock_jbod 1
[eno1]
[eno2]
Thedefaultsystemdservice fileforUbuntu18.04attemptstousethe eth0addressonthe command
line. Override systemd service file so that the configuration file is used instead of hard coded in the
service file.
Createa systemddrop-indirectoryto overridethesystemservice file:
$ sudo mkdir -p /etc/systemd/system/ptp4l.service.d
Createa fileat/etc/systemd/system/ptp4l.service.d/override.conf withthefollowingcontents:
[Service]
ExecStart=
ExecStart=/usr/sbin/ptp4l -f /etc/linuxptp/ptp4l.conf
Restartthe ptp4l service sothe changetakeseffect:
$ sudo systemctl daemon-reload
$ sudo systemctl restart ptp4l
$ sudo systemctl status ptp4l
* ptp4l.service - Precision Time Protocol (PTP) service
Loaded: loaded (/lib/systemd/system/ptp4l.service; enabled; vendor preset: enabled)
Drop-In: /etc/systemd/system/ptp4l.service.d
└─override.conf
Active: active (running) since Wed 2019-03-13 14:38:57 PDT; 3s ago
Docs: man:ptp4l
Main PID: 25783 (ptp4l)
Tasks: 1 (limit: 4915)
CGroup: /system.slice/ptp4l.service
└─25783 /usr/sbin/ptp4l -f /etc/linuxptp/ptp4l.conf
Mar 13 14:38:57 leadlizard ptp4l[25783]: [590188.756] port 1: INITIALIZING to LISTENING on INITIALIZE
Mar 13 14:38:57 leadlizard ptp4l[25783]: [590188.756] driver changed our HWTSTAMP options
Mar 13 14:38:57 leadlizard ptp4l[25783]: [590188.756] tx_type 1 not 1
Mar 13 14:38:57 leadlizard ptp4l[25783]: [590188.756] rx_filter 1 not 12
Mar 13 14:38:57 leadlizard ptp4l[25783]: [590188.756] port 2: INITIALIZING to LISTENING on INITIALIZE
Mar 13 14:38:57 leadlizard ptp4l[25783]: [590188.757] port 0: INITIALIZING to LISTENING on INITIALIZE
Mar 13 14:38:57 leadlizard ptp4l[25783]: [590188.757] port 1: link up
Mar 13 14:38:57 leadlizard ptp4l[25783]: [590188.757] port 2: link down
Mar 13 14:38:57 leadlizard ptp4l[25783]: [590188.757] port 2: LISTENING to FAULTY on FAULT_DETECTED (FT_
,→UNSPECIFIED)
Mar 13 14:38:58 leadlizard ptp4l[25783]: [590189.360] port 1: new foreign master 001747.fffe.700038-1
92