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

JUNOS Software with Enhanced Services Hardware Guide

Table 41: Basic Connectivity Terms (continued)

Term	Definition
hostname	Unique name that identifies a router on the network.
loopback address	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.
Network Time Protocol (NTP)	Protocol that provides a reliable way of synchronizing the system time
	of a router.
root user	A superuser or system administrator who can perform any task in the
	file system.
secure shell (SSH)	Protocol that provides a secured method of logging in to a remote
	network system.
Telnet	Software that allows a computer to act as a remote terminal on a
	network system.

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