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CLI Command Categories
When you log in to the router and the CLI starts,
there are a number of broad groups of CLI commands:
- Commands for controlling the CLI environment—The
commands in the set hierarchy configure the CLI display screen.
For information about these commands, see Controlling the CLI Environment .
- Commands for monitoring and troubleshooting—The
following commands display information and statistics about the software
and test network connectivity. Detailed command descriptions are provided
in the JUNOS Interfaces Command Reference.
-
clear—Clear statistics and protocol database
information.
-
mtrace—Trace mtrace packets from source
to receiver.
-
monitor—Perform real-time debugging of
various software components, including the routing protocols and interfaces.
-
ping—Determine the reachability of a remote
network host.
-
show—Display the current configuration
and information about interfaces, routing protocols, routing tables,
routing policy filters, system alarms, and the chassis.
-
test—Test the configuration and application
of policy filters and autonomous system (AS) path regular expressions.
-
traceroute—Trace the route to a remote
network host.
- Commands for connecting to other network systems—The ssh command opens secure shell connections, and the telnet command opens telnet sessions to other hosts on the network. For
information about these commands, see the JUNOS System Basics
and Services Command Reference.
- Commands for copying files—The copy command
copies files from one location on the router to another, from the
router to a remote system, or from a remote system to the router.
For information about these commands, see the JUNOS System
Basics and Services Command Reference.
- Commands for restarting software processes—The commands
in the restart hierarchy restart the various JUNOS software
processes, including the routing protocol, interface, and Simple Network
Management Protocol (SNMP). For information about these commands,
see the JUNOS System Basics and Services Command Reference.
- A command—request—for performing
system-level operations, including stopping and rebooting the router
and loading JUNOS software images. For information about this command,
see the JUNOS System Basics and Services Command Reference.
- A command—start—to exit the CLI and
start a UNIX shell. For information about this command, see the JUNOS System Basics and Services Command Reference.
- A command—configure—for entering
configuration mode, which provides a series of commands that configure
the JUNOS software, including the routing protocols, interfaces, network
management, and user access. For information about the CLI configuration
commands, see Using Commands and Statements to Configure the Router.
- A command—quit—to exit the CLI. For
information about this command, see the JUNOS System Basics
and Services Command Reference.
- For more information about the CLI operational mode commands,
see the JUNOS Interfaces Command Reference and
the JUNOS System Basics and Services Command Reference.
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