Introduction to the Junos Operating System

Part 1: Logging In to and Exploring the J-Web Interface

In this lab part, you will familiarize yourself with the access details for your team’s station and log in through the J-Web interface. You will also familiarize yourself with the various monitoring capabilities available in the J-Web user interface.

Note

Depending on the specifics of your class, you might be accessing a router that is remote from your physical location. The instructor will inform you as to the nature of your access and will provide you with the details needed to access your router.

Step 1.1

Ensure that you know to which student device you have been assigned. Check with your instructor if you are not certain. Consult the management network diagram to determine the management address of your student device

Question: What is the management address assigned to your station?

Answer: The answer varies; in the example used throughout this lab, the user belongs to the srxA-1 station, which uses an IP address of 10.210.14.131. Your answer will depend on the rack of equipment your class is using.

Step 1.2

Access the CLI at your station using either the console, Telnet, or SSH as directed by your instructor. Refer to the management network diagram for the IP address associated with your team’s station. The following example uses a simple Telnet access to srxA-1 with the Secure CRT program as a basis:

Introduction to the Junos Operating System

Step 1.3

Log in to the student device with the username lab using a password of lab123. Note that both the name and password are case-sensitive. Enter configuration mode and load the reset configuration file using the load override /var/home/ lab/ijos/lab5-start.config command. After the configuration has been loaded, commit the changes and return to operational mode.

srxA-1 (ttyp0)

login: lab Password:

--- JUNOS 12.1R1.9 built 2012-03-24 12:12:49 UTC lab@srxA-1> configure

Entering configuration mode

[edit]

lab@srxA-1# load override ijos/lab5-start.config load complete

[edit]

lab@srxA-1# commit and-quit commit complete

Exiting configuration mode

lab@srxA-1>

Step 1.4

Open a Web browser on your PC.

From a Web browser on your PC. navigate to the management address of your device. Refer to the management network diagram for the IP address associated with your team’s station.

Step 1.5

Log in as user lab with the password supplied by your instructor.

Introduction to the Junos Operating System

Step 1.6

After logging in click on the Dashboard tab in the upper left corner. Use the information found in your browser to answer the following questions.

Introduction to the Junos Operating System

Question: What is the current system up time in days?

Answer: The answers can vary. The capture taken from srxA-1 shows an up time of 48 minutes.

Question: What is the current memory and CPU usage on your assigned station?

Answer: The answer can vary. The capture taken from srxA-1 shows memory and CPU utilization of 56% and 12% respectively for the control side and 67% and 0% respectively for the data side.

Step 1.7

Edit the Dashboard Preferences to display the Chassis Status.

1.Click Open Preferences Dialog in the upper right corner of the screen.

2.Scroll down the list of available Panels, and select Chassis Status, then click OK.

Introduction to the Junos Operating System

Question: What is the Routing Engine (RE) temperature, and is this temperature considered normal?

Answer: The capture taken from srxA-1 indicates that the RE temperature is considered to be normal at 44 degrees Celsius.

Question: How can you display the serial number and model of the Routing Engine?

Answer: You can navigate directly to Monitor > System View > Chassis Information by clicking on the View chassis status link on the newly created Dashboard panel: