Most Useful and important JunOS router Commands for Begginer:
This article contain some of most frequent used commands of Juniper devices those are very helpful, especially for beginner those are new to juniper networks.
Before going into Commands details you should know that there
are different commands mode on juniper same like Cisco. So you must know about
every command where to type it. You can simply differentiate into these modes into
·
command-line interface (CLI)
·
Configuration mode
How to login into Juniper router:
Simply type user name and password, default username and
password for JunOS Olive 12.1 is root
with no password.
Login: root
password:
How to enter into Command-line interface mode:
After logging into JunOS by your user name and password, you
can enter into Command-line interface by typing CLI
root@% cli
root>
How to access configuration mode on Juniper:
You can enter into configuration mode by typing configure in
configuration mode.
root> configure
[edit]
root#
How to check current configurations on Juniper:
In cli mode:
root> show configurations
Show configurations with include specific group of commands:
This command will show all the command from configuration starting with "Set"
root> show configurations | display set
How to check all interfaces on Juniper:
You can show all the interface on Juniper with following command:
root# show interfaces
How to see status of specific interface on Juniper:
root# show interfaces <interface name>
Command example:
root# show interfaces em0
How to set the IPv4 address of juniper router:
In Configuration mode you can use the following command:
set interfaces <interface-name> unit <unit number>
family inet <IP address>/mask
Suppose you want to set IP address 22.2.2.2 to
interface ge-0/0/2 you can do it like this:
set interfaces ge-0/0/2 unit 0 family inet 22.2.2.2/24
How to set host name on Juniper Router:
root# set system host-name <type-name>
How to set root's password on JunOS:
In configuration mode type the following command for setting
password for juniper router.
set system root-authentication plain-text-password
How to save your current configuration on Juniper:
You can use the Commit
command for saving configuration on Juniper, if you having any issue in save
configuration you see error in saving configuration onjuniper for troubleshooting.
root# commit
How to see the all routes on JunOS:
root> show route
How to setup gateway or static route for Juniper:
Following command will set a static route for network 222.0.0.0/32.
root# set routing-options static route 222.0.0.0/32
next-hop 172.16.1.1
Configure different routing protocols with Juniper:
You can use the set protocols command in configuration
mode for configuring different routing protocols on JunOS, some of commands
examples are as listed below. But you can see more details regarding each
routing protocols with given links or explore more with google.
root # set protocols isis interface em0
note: All above commands are tested on JunOS 12.1.x
If you want to Learn Basic Cisco commands, click here.
