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Table 54: Basic Connectivity Terms (continued)
DefinitionTerm
Protocol for assigning dynamic IP addresses to devices on a network.Dynamic Host Configuration Protocol (DHCP)
Packets destined for IP addresses not identified in the routing table are
sent to the default gateway.
gateway
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 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
J2320, J2350, J4350, and J6350 Services Router Getting Started Guide