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

Table 6: Junos Space Appliance Ethernet Interfaces
Interface
or
ETH0 0
:0 or :0
ETH0 0
or
ETH1 1
or
ETH2 2
or
ETH3 3
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NTP Time Source for a Junos Space Appliance

Copyright © 2014, Juniper Networks, Inc.
Function
SSH and device management, if only the Ethernet interface
interface
0
GUI interface
Reserved for future use
Reserved for future use
Device management when managed devices are on an out-of-band management
subnet and not reachable by the Ethernet interface eth0
The Junos Space Appliance uses the Ethernet interfaces eth0 and eth3 as follows:
Uses the Ethernet interface eth0 as both Secure Shell management interface and
device management interface, when only the eth0 interface is configured
Uses the Secure Shell Daemon (SSHD) protocol on both Ethernet interfaces eth0 and
eth3 for communication, when both the eth0 and eth3 interfaces are configured
Uses Virtual IP (VIP) address as the Web interface on the Ethernet interface eth0
interface; the Web interface and the Ethernet interface eth0 interface are on the same
subnet
Uses the Ethernet interface eth3 interface only as a device management interface
when the managed devices are not reachable using the Ethernet interface eth0 interface
or are present on an out-of-band management subnet
Troubleshooting Junos Space Ethernet Interface eth3 Connectivity on page 83
Junos Space Appliance Overview on page 3
NTP Time Source for a Junos Space Appliance on page 9
Configuring a Junos Space Appliance as a Junos Space Node on page 46
Configuring a Junos Space Appliance as a Standalone or Primary FMPM Node on
page 51
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
is used
Chapter 1: JA2500 Appliance Overview
or Ethernet
ETH0
9