Juniper Networks J2350 Basic Connectivity Overview, Router Identification, Root Password

Table 41: Basic Connectivity Terms (continued)
DefinitionTerm
Unique name that identifies a router on the network.hostname
IP address of a Services Router on logical interface lo0.0 that is always
active and available to external hosts and as the source address for
outgoing packets.
loopback address
Protocol that provides a reliable way of synchronizing the system time
of a router.
Network Time Protocol (NTP)
A superuser or system administrator who can perform any task in the
file system.
root user
Protocol that provides a secured method of logging in to a remote
network system.
secure shell (SSH)
Software that allows a computer to act as a remote terminal on a
network system.
Telnet
Basic Connectivity Overview
To connect your Services Router to the network and establish basic connectivity,
you enter information about your network. This overview contains the following
topics:
■Router Identification on page 92
■Root Password on page 92
■Time Zone and System Time on page 93
■Network Settings on page 93
■Default Gateway on page 93
■Backup Router on page 94
■Loopback Address on page 94
■Built-In Ethernet Interface Address on page 94
■Management Access on page 95
Router Identification
The domain name defines the network or subnetwork that the Services Router belongs
to. The hostname refers to the specific machine, while the domain name is shared
among all the devices in a given network. Together the hostname and domain name
identify the router in the network.
Root Password
The root user has complete privileges to configure the Services Router, and manage
files in the router's file system. Initially, the root password is not defined on the
92 ■Basic Connectivity Overview
JUNOS Software with Enhanced Services Hardware Guide