NetWare Directory Services

5-11
Understanding Time Synchronization in NDS
Time Source Server Functions
An advantage of custom configuration is that you maintain complete control
of the time synchronization environment.Also, custom configuration might
help eliminate nonessential network SAP traffic, as well as errors associated
with accidental reconfiguration.
To customize your time servers, you can use either System Administration
Manager (SAM) or the nwcm command line utility to set the following
parameters:
• Time Sources. Lists the specific time source servers that a server should contact.
• Configured Sources. Specifies that a server should not listen for SAP information
from other time source servers.
• Service Advertising. Disables time source SAP information from being broadcast
to the network.
• Directory Tree Mode. Indicates the server should ignore time sources advertising
via SAP if the advertising does not originate on the server’s Directory tree. This
parameter has no effect if the Configured Sources parameter is turned on.
For detailed information on setting these parameters with SAM, see
“Managing Network Time Synchronization” in Supervising the Network.
For information on nwcm, see “nwcm” in Utilities Reference.
CAUTION: The custom configuration does require additional time for planning and
configuration.
It also makes it more difficult to install or remove Primary, Reference, or Single
Reference time servers on the network. You must manually change the approved
server list maintained on servers that depended on a removed server.