How do I configure Juniper?

Posted on by Emilia Duggan

How do I configure Juniper?

Configuring Junos OS for the First Time on a Device with a Single Routing Engine

  1. Connect to the device through the console port.
  2. Power on the device and wait for it to boot.
  3. Log in as the user root .
  4. Start the Junos OS command-line interface (CLI):
  5. Enter Junos OS configuration mode:
  6. Configure the hostname of the device.

How do I set Juniper rescue config?

To save a current device configuration as a rescue configuration file:

  1. Edit the configuration file on the device to reflect the base configuration you wish to use.
  2. In the CLI operational mode, save this edited base configuration as the rescue configuration file: user@host> request system configuration rescue save.

What is candidate configuration in Juniper?

You use configuration files to configure devices and to streamline device configuration tasks. A configuration file stores the complete configuration of a device. The candidate configuration is the working copy that stores configuration updates. These are the files that you use to automatic device configuration.

What is traffic sampling?

Traffic sampling allows you to sample IP traffic based on particular input interfaces and various fields in the packet header.

How do you create a VLAN in Juniper?

From configuration mode, create the VLAN and add access vlan members to it:

  1. ELS EX and QFX devices: root> configure. Entering configuration mode. [edit] root# set vlans vlan-id
  2. Legacy devices EX: root> configure. Entering configuration mode. [edit]

How do I backup my Juniper router settings?

Configure a Backup Router for SRX Series Devices

  1. Include the backup-router statement at the [edit system] hierarchy level. [edit groups group-name system] backup-router address ;
  2. Commit the changes: [edit] root@# commit.

What is OAM volume?

The compact flash drive is the /oam volume and stores recovery snapshot backup information. In case of failure of the /junos volume, the /oam volume can be used to boot the system. The /oam volume has the recovery snapshot, which is created with the request system snapshot recovery command.

Where is Juniper config file?

/var/db/config
gz are saved in the /var/db/config directory . Configuration files are located in the SRX series compact flash drive. To list the configuration files, use the file list /config operational mode command.

How do I commit a configuration in Juniper?

To activate the prepared configuration:

  1. Use the commit activate command. [edit] user@host# commit activate. The message commit complete is displayed.
  2. To verify the activated system configuration, use the following command: user@host> show configuration system scripts language python;

What is sFlow sample rate?

The sflow sample command sets the packet sampling rate. Packets are sampled at random intervals to avoid inaccurate sampling of periodic events. A rate of 16384 corresponds to an average sample of one per 16384 packets. The default rate is 1048576 .