HP-UX Internet Services Administrator's Guide (August 2003)

Configuring NTP
Getting Started with NTP
Chapter 4 61
1. Install and connect the receiver and antenna to a serial port on the
HP-UX machine.
2. Append the following entries in the /etc/ntp.conf file:
server 127.127.26.1 minpoll 3 maxpoll 4
# fudge 127.127.26.1 time1 -0.955 #s700
# fudge 127.127.26.1 time1 -0.930 #s800
3. Uncomment the appropriate # fudge entry for your architecture.
Uncomment the #fudge ... #s800 entry for servers or uncomment
#fudge ... #s700 entry for workstations.
Setting up a Trimble Palisade GPS Receiver
The following steps describe how to set up a Trimble Palisade GPS
receiver:
1. Install and connect the receiver and antenna to a serial port on the
HP-UX machine.
2. Append following entries in the /etc/ntp.conf file:
server 127.127.29.1 #poll period is fixed at 32 seconds
# no fudge required
# fudge 127.127.26.1 time1 -0.930 #s800
3. Create the following symbolic link:
/usr/bin/ln -s /dev/tty0p0 /dev/palisade1
Setting up a Spectracom Netclock/2
The following steps describe how to set up a Spectracom Netclock/2:
1. Install andconnect the WWVB receiver to aserial port on the HP-UX
machine.
2. Append the following entries in the /etc/ntp.conf file:
server 127.127.4.1 minpoll 3 maxpoll 4
# no fudge required
# fudge 127.127.26.1 time1 -0.930 #s800
3. Create the following symbolic link:
/usr/bin/ln -s /dev/tty0p0 /dev/wwvb1