Juniper Networks J2320 manual Basic Connectivity Overview, Router Identification

J2320, J2350, J4350, and J6350 Services Router Getting Started Guide

Table 54: Basic Connectivity Terms (continued)

Term	Definition
Dynamic Host Configuration Protocol (DHCP)	Protocol for assigning dynamic IP addresses to devices on a network.
gateway	Packets destined for IP addresses not identified in the routing table are
	sent to the default gateway.
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 130

■Root Password on page 131

■Time Zone and System Time on page 131

■Network Settings on page 132

■Default Gateway on page 132

■Backup Router on page 132

■Loopback Address on page 132

■Built-In Ethernet Interface Address on page 133

■Management Access on page 133

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

130■ Basic Connectivity Overview