Overview: Selecting A Time Synchronization Protocol Or Turning Off Time Protocol Operation; General Steps For Running A Time Protocol On The Switch; Overview: Selecting A Time Synchronization Protocol Or Turning Off Time; Protocol Operation - HP Switch 2800 Series Management And Configuration Manual

Overview: Selecting a Time Synchronization Protocol or Turning Off Time Protocol Operation

ular server, it ignores time broadcasts from other SNTP servers unless
the configurable
Poll Interval
an update received from the first-detected server.
Note
To use Broadcast mode, the switch and the SNTP server must be in the
same subnet.
Unicast Mode: The switch requests a time update from the config­
ured SNTP server. (You can configure one server using the menu
interface, or up to three servers using the CLI
This option provides increased security over the Broadcast mode by
specifying which time server to use instead of using the first one
detected through a broadcast.
Overview: Selecting a Time
Synchronization Protocol or Turning Off
Time Protocol Operation

General Steps for Running a Time Protocol on the Switch:

1. Select the time synchronization protocol:
2. Enable the protocol. The choices are:
• SNTP:
Broadcast
• TimeP:
DHCP
3. Configure the remaining parameters for the time protocol you selected.
The switch retains the parameter settings for both time protocols even if
you change from one protocol to the other. Thus, if you select a time
protocol, the switch uses the parameters you last configured for the
selected protocol.
expires three consecutive times without
or
Unicast
or
Manual
Time Protocols
command.)
sntp server
or (the default).
SNTP TimeP
9-3