Ntp Time Source For A Junos Space Appliance - Juniper JA2500 Hardware Manual

Juniper Networks JA2500 Junos Space Appliance Hardware Guide

NTP Time Source for a Junos Space Appliance

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8
Configuring a Junos Space Appliance as a Standalone or Primary FMPM Node on
page 113
This topic applies to the following Junos Space Appliances: JA1500 and JA2500.
To ensure consistent behavior among all nodes in a multinode fabric, each node time
must be synchronized with every other node in the fabric. When you configure a Junos
Space Appliance with a Network Time Protocol (NTP) server, you ensure that if the first
node, which is used to synchronize time for all nodes in the fabric, goes down, all other
nodes in the fabric remain synchronized. To ensure this behavior, all nodes in a fabric
must use the same external NTP source that you configure for the first appliance. The
additional nodes installed on the same fabric automatically get their time setting from
the first node in the fabric.
For more information about the Junos Space fabric, refer to the Managing Nodes in the
Junos Space Fabric chapter in the Junos Space Network Management Platform Workspaces
Feature Guide (available at
http://www.juniper.net/documentation/en_US/release-independent/junos-space/index.html
NOTE: By default, Junos Space Network Management Platform synchronizes
the time zone of the client computer with that of the Junos Space server.
Hence, the time displayed on the Web user interface corresponds to the time
zone configured on the Junos Space server. However, the Junos Space CLI
displays the time corresponding to the time zone configured in the Junos
Space server.
To ensure time synchronization across all nodes in the fabric, we strongly recommend
that you use the following guidelines:
Add an NTP server when you configure the first Junos Space node in the fabric.
For each additional node that you add to the fabric, configure the same NTP server
that you specified for the first appliance.
NOTE: You must add the NTP server before you add the first node to the
fabric from the Junos Space Network Management Platform Web user
interface.
Junos Space Appliance (JA2500) Overview on page 3
Junos Space Appliance Overview
Junos Space Ethernet Interfaces Overview on page 4
Configuring a Junos Space Appliance as a Junos Space Node on page 92
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