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Switching Between Junos OS CLI Operational and Configuration Modes

When you monitor and configure a device running Junos OS, you may need to switch between operational mode and configuration mode. When you change to configuration mode, the command prompt also changes. The operational mode prompt is a right angle bracket (>) and the configuration mode prompt is a pound sign (#).

To switch between operational mode and configuration mode:

1. When you log in to the router and type the cli command, you are automatically in operational mode:

   ---  JUNOS 9.2B1.8 built 2008-05-09 23:41:29 UTC
   % cli
   user@host> 

2. To enter configuration mode, type the configure command or the edit command from the CLI operation mode. For example:

   user@host> configure 
   Entering configuration mode
   
   [edit]
   user@host# 

   The CLI prompt changes from user@host> to user@host# and a banner appears to indicate the hierarchy level.

3. You can return to operational mode in one of the following ways:

   • To commit the configuration and exit:
     [edit]user@host# commit and-quit commit completeExiting configuration mode user@host>
   • To exit without committing:
     [edit]user@host# exitExiting configuration modeuser@host>
   When you exit configuration mode, the CLI prompt changes from user@host# to user@host> and the banner no longer appears. You can enter or exit configuration mode as many times as you wish without committing your changes.
4. To display the output of an operational mode command, such as show, while in configuration mode, issue the run configuration mode command and then specify the operational mode command:
   [edit]user@host# run operational-mode-command

   For example, to display the currently set priority value of the Virtual Router Redundancy Protocol (VRRP) primary router while you are modifying the VRRP configuration for a backup router:

   [edit interfaces xe-4/2/0 unit 0 family inet vrrp-group 27]user@host# show virtual-address [ 192.168.1.15 ];[edit interfaces xe-4/2/0 unit 0 family inet vrrp-group 27]user@host# run show vrrp detail Physical interface: xe-5/2/0, Unit: 0, Address: 192.168.29.10/24 Interface state: up, Group: 10, State: backup Priority: 190, Advertisement interval: 3, Authentication type: simple Preempt: yes, VIP count: 1, VIP: 192.168.29.55 Dead timer: 8.326, Master priority: 201, Master router: 192.168.29.254[edit interfaces xe-4/2/0 unit 0 family inet vrrp-group 27]user@host# set priority ...