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show system snapshot (Junos OS)


Syntax (EX Series Switches)


This command displays information about the backup software:

  • On the routers, this command display information about the backup software, which is located in the /altroot, and /altconfig file systems or on the alternate media.

  • On the switches, this command display information about the backup of the root file system (/) and directories /altroot,/config, /var, and /var/tmp, which are located either on an external USB flash drive or in internal flash memory.

    To back up software, use the request system snapshot command.



Display information about the backup software.

all-members | local | member member-id

(EX Series switch Virtual Chassis only) (Optional) Display the snapshot in a Virtual Chassis:

  • all-members—Display the snapshot for all members of the Virtual Chassis.

  • local—Display the snapshot on the member of the Virtual Chassis that you are currently logged into.

  • member member-id—Display the snapshot for the specified member of the Virtual Chassis.

media (external | internal)

(EX Series switch only) (Optional) Display the destination media location for the snapshot. The external option specifies the snapshot on an external mass storage device, such as a USB flash drive. The internal option specifies the snapshot on an internal memory source, such as internal flash memory. If no additional options are specified, the command displays the snapshot stored in both slices.

Required Privilege Level


Output Fields

Table 1 lists the output fields for the show system snapshot command. Output fields are listed in the approximate order in which they appear.

Table 1: show system snapshot Output Fields

Field Name

Field Description

Creation date

Date and time of the last snapshot.

JUNOS version on snapshot

Junos OS release number of individual software packages.

Sample Output

show system snapshot (Router)

show system snapshot media external (Switch)

show system snapshot media internal (Switch)

Release Information

Command introduced in Junos OS Release 7.6.

Option slice deprecated for Junos OS with Upgraded FreeBSD in Junos OS Release 15.1. You can find which platforms run Junos OS with Upgraded FreeBSD here: Release Information for Junos OS with Upgraded FreeBSD.