ptpd(8) Precision Time Protocol daemon ptpd(8)
NAME
ptpd - Precision Time Protocol daemon (1588-2008)
SYNOPSIS
ptpd [?] [-c] [-S] [-f FILE] [-R FILE] [-d] [-D] [-x] [-M NUMBER] [-t] [-T ttl] [-a NUMBER,NUMBER] [-w NUMBER] [-b NAME] [-u ADDRESS] [-e]
[-h] [-l NUMBER,NUMBER] [-o NUMBER] [-i NUMBER] [-n NUMBER] [-y NUMBER] [-m NUMBER] [-g] [-v NUMBER] [-r NUMBER] [-s NUMBER] [-p NUMBER]
[-q NUMBER]
DESCRIPTION
Implements the Precision Time Protocol (PTP) Version 2 as defined by the IEEE 1588-2008 standard. PTP was developed to provide very precise
time coordination of LAN connected computers.
PTPd is a complete implementation of the IEEE 1588 v2 specification for a standard (ordinary) clock. PTPd has been tested with and is known
to work properly with other IEEE 1588 implementations. The source code for PTPd is freely available under a BSD-style license. Thanks to
contributions from users, PTPd is becoming an increasingly portable, interoperable, and stable IEEE 1588 implementation.
For more information, see http://ptpd.sourceforge.net/
OPTIONS
-? display a short help text
-c run in command line (non-daemon) mode
-S log information to syslog
-f FILE
send output to FILE
-R FILE
record a quality FILE
-d display stats
-D display stats in .csv format
-x do not reset the clock if off by more than one second
-M NUMBER
do not reset the clock if off by more than NUMBER nanoseconds
-t do not adjust the system clock
-T set multicast TTL for packets. Defaults to 1.
-a NUMBER,NUMBER
specify clock servo P and I attenuations
-w NUMBER
specify one way delay filter stiffness
-b NAME
bind PTP to network interface NAME
-u ADDRESS
also send uni-cast to ADDRESS
-e run in ethernet mode (level2)
-h run in End to End mode
-l NUMBER,NUMBER
specify inbound, outbound latency in nsec
-o NUMBER
specify current UTC offset
-i NUMBER
specify PTP domain number
-n NUMBER
specify announce interval in 2^NUMBER sec
-y NUMBER
specify sync interval in 2^NUMBER sec
-m NUMBER
specify max number of foreign master records
-g run as slave only
-v NUMBER
specify system clock allen variance
-r NUMBER
specify system clock accuracy
-s NUMBER
specify system clock class
-p NUMBER
specify priority1 attribute
-q NUMBER
specify priority2 attribute
AUTHOR
Gael Mace <gael_mace@users.sourceforge.net> & Alexandre Van Kempen.
Steven Kreuzer <skreuzer@freebsd.org>
George Neville-Neil <gnn@freebsd.org>
This manual page was written by Gael Mace for any Linux environment project.
version 2.1.0 October, 2010 ptpd(8)