Table 1 summarizes the command-line interface (CLI) commands you can use to perform and monitor system software management functions. Commands are listed in alphabetical order.
Table 1: System Software Operational Mode Commands Command Task
clear arp Clear the Address Resolution Protocol (ARP)
table.
clear dhcp server binding Clear the binding state of a Dynamic Host
Configuration Protocol (DHCP) client from the client table on the extended DHCP local server.
clear dhcp server statistics Clear all extended DHCP local server statistics.
clear dhcpv6 server binding Clear the binding state from the client table on
the DHCPv6 local server.
clear dhcpv6 server statistics Clear all DHCPv6 local server statistics.
clear network-access aaa statistics Clear AAA statistics.
clear network-access aaa subscriber Log out AAA subscribers and clear the AAA
subscriber statistics.
clear system commit Clear a pending commit operation.
clear system reboot Clear a pending system halt or reboot.
clear system services dhcp binding (J Series routers only) Remove obsolete IP
address bindings on a Dynamic Host Configuration Protocol (DHCP) server.
clear system services dhcp conflict (J Series routers only) Clear IP addresses from
the DHCP server conflicts list.
clear system services dhcp statistics (J Series routing routers only) Clear DHCP
server statistics.
configure Enter configuration mode.
op Execute an operation (op) script.
request message Send messages to users currently logged in to
the router.
request routing-engine login On a router with two Routing Engines, specify
a tty connection for login.
request support information Collect information for customer support.
request system configuration rescue delete Delete an existing rescue configuration.
request system configuration rescue save Save the most recently committed
configuration as the rescue configuration.
request system firmware (J Series routers only) Upgrade or downgrade
firmware.
request system halt Stop the routing software.
request system license add Add a license key.
request system license delete Delete a license key.
request system license save (J Series routers only) Save installed license
keys to a file or URL.
request system logout Log out a user from the configuration database.
request system partition abort Abort a previously scheduled partition request.
request system partition hard-disk Schedule the hard disk for partitioning.
request system power-off Power off the routing software.
request system reboot Reboot the routing software.
request system scripts convert Convert an Extensible Stylesheet Language
Transformations (XSLT) script to Stylesheet Language, Alternative syntaX (SLAX), or convert a SLAX script to XSLT.
request system snapshot Back up the file systems on the router.
request system software abort (M320 router, T320 router, and T640 router
only) Abort a unified in-service software upgrade (ISSU).
request system software add Install software bundles or packages onto the
router.
request system software delete Remove software bundles or packages from
the router.
request system software delete-backup (J Series routers only) Delete the backup JUNOS
Software file (if it exists) to free up compact flash drive space.
request system software in-service-upgrade (M320 router, T320 router, and T640 router
only) Perform a unified ISSU.
request system software rollback Roll back to a previously installed version.
request system storage cleanup Free storage space on the router by rotating
log files and deleting unnecessary files.
restart Restart a JUNOS Software process.
show arp Display the contents of the ARP table.
show configuration Display the current running system
configuration.
show dhcp server binding Display the address bindings in the client table
on the extended DHCP local server.
show dhcp server statistics Display extended DHCP local server statistics.
show dhcpv6 server binding Display the address bindings in the client table
on the extended DHCPv6 local server.
show dhcpv6 server statistics Display extended DHCPv6 local server
statistics.
show host Display Domain Name System (DNS) hostname
information.
show network-access aaa statistics Display AAA statistics.
show network-access aaa subscribers Display information about AAA subscribers.
show network-access aaa subscribers session-id Display information about AAA subscriber
sessions.
show network-access address-assignment pool Display state information for
address-assignment pools.
show ntp associations Display Network Time Protocol (NTP) peers.
show ntp status Display variables returned by NTP peers.
show static-subscribers sessions Display Information about static subscriber
sessions.
show subscribers Display information about active subscribers
show system alarms Show system alarms.
show system audit Display state and checksum values for files in
a file system.
show system autoinstallation status (J Series routers only) Display autoinstallation
status information.
show system boot-messages Display boot messages.
show system buffers Display system memory and buffer usage
information.
show system commit Display information about a pending commit
operation.
show system configuration archival Display directory and number of files queued
for archival transfer.
show system configuration rescue Display information about the rescue
configuration.
show system connections Display information about active IP sockets on
the Routing Engine.
show system directory-usage Display directory usage information.
show system firmware (J Series routers only) Display system firmware
information.
show system license Display a list of installed licenses.
show system name-resolution Display dynamic hostname to IP address
mappings.
show system processes Display software processes running on the
router.
show system queues Display statistics about queues on interfaces.
show system reboot Display any pending system reboots or halts.
show system rollback View or compare previous configurations.
show system services dhcp binding (J Series routers only) Display client binding
information.
show system services dhcp conflict (J Series routers only) Display DHCP
client-detected conflicts for IP addresses.
show system services dhcp global (J Series routers only) Display global
configuration settings for a DHCP server.
show system services dhcp pool (J Series routers only) Display IP address pools
defined for a DHCP server.
show system services dhcp statistics (J Series routers only) Display statistics
associated with a DHCP server.
show system services service-deployment Display information about a Session and
Resource Control (SRC) client.
show system snapshot Display information about the backup software
show system software Display JUNOS Software extensions.
show system statistics Display system-wide protocol-related statistics.
show system statistics arp Display system-wide Address Resolution
Protocol (ARP) statistics.
show system statistics clns Display system-wide Connectionless Network
Service (CLNS) statistics.
show system statistics esis Display system-wide End
System-to-Intermediate System (ES-IS) statistics.
show system statistics icmp Display system-wide Internet Control Message
Protocol (ICMP) statistics.
show system statistics icmp6 Display system-wide ICMP version 6 statistics.
show system statistics igmp Display system-wide Internet Group
Management Protocol (IGMP) statistics.
show system statistics ip Display system-wide IPv4 statistics.
show system statistics ip6 Display system-wide IPv6 statistics.
show system statistics mpls Display system-wide Multiprotocol Label
Switching (MPLS) statistics.
show system statistics rdp Display system-wide Reliable Datagram
Protocol (RDP) statistics.
show system statistics tcp Display system-wide Transmission Control
Protocol (TCP) statistics.
show system statistics tnp Display system-wide Trivial Network Protocol
(TNP) statistics.
show system statistics tudp Display system-wide Trivial User Datagram
Protocol (TUDP) statistics.
show system statistics udp Display system-wide User Datagram Protocol
(UDP) statistics.
show system statistics vpls Display system-wide Virtual Private LAN
Services (VPLS) statistics.
show system storage Display statistics about the amount of free disk
space in the router's file systems.
show system switchover View configurations of the primary and
secondary Routing Engines.
show system uptime Display the current time and information about
how long the router, router software, and routing protocols have been running.
show system users Display users currently logged in to the router.
show system virtual-memory Display JUNOS kernel memory usage.
show task Display routing protocol tasks on the Routing
Engine.
show task io Display I/O statistics for routing protocol tasks
on the Routing Engine.
show task memory Display memory utilization for routing protocol
tasks on the Routing Engine.
show task replication Display whether or not graceful Routing Engine
switchover (GRES) and nonstop active routing (NSR) are configured on the router.
show version Display the hostname and version information
about the software running on the router.
start shell Create a UNIX-level shell.
test configuration Verify the syntax of a configuration file.