How to install ntp v4 on a unix system, How to install your s100, How to get time using dial-up – Symmetricom S100 User Manual

Page 122: How to get time using gps

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S100 User Guide – Rev. D – June 2005

SyncServer S100

How to install NTP v4 on a UNIX system

Requirements: A Unix system with compiler, standard tools and

openssl

installed.

1. Download NTP tarball from

2. Extract the source using tar -xvf <

ntp tarball

3. Run the configuration and specify autokey using

./configure --with-

crypto=autokey

4. Run make.

5. Make install.

How to configure an NTP v4 client to connect to an NTP v4 server with the autokey scheme

1. Create or modify

/etc/ntp.conf

and add a server line using vi (server <

ipaddress

autokey)

2. Run

ntpd

and verify proper operation.

How to verify NTP v4 autokey client connectivity with an NTP v4 server

To confirm that a secure NTP v4 session with autokey has been established with a server, do
one of the following :

ntpdc

command showpeer <

server ip

> and look for the auth flag

ntpq

command associations and look for

auth category (ok)

3. Run

ntpd -ddd

and watch output for crypto statements and packet sizes

How to install your S100

All information about this is covered in

How to get time using dial-up

for details about this.

How to get time using GPS