DAY 1

Course Introduction

Introducing Junos OS and the Hardware It Powers

• Test your knowledge of some networking fundamentals

• Explain the advantages of Junos OS

• Define the terms fixed-port chassis, modular chassis, and Routing Engine

• Describe the advantages of Juniper Networks MX Series, PTX Series, and ACX Series routers, and SRX Series Firewalls

 

SSH and Operational Mode

• Demonstrate how to use SSH to log in to a device running Junos OS

• Explain the purpose of operational mode

• Describe some of the most immediately useful show system commands

• Demonstrate how to use built-in command reminders, auto-completion, and the Junos hierarchy

Lab 1: SSH and Operational Mode

 

Refresher—IPv6 Addressing

• Demonstrate how to use hexadecimal to read IPv6 addresses, MAC addresses, and memory addresses

• Explain the format of IPv6 addresses and subnet masks, and the purpose of link-local addressing

 

Network Interfaces, Part 1—Interface Naming and Logical Units

• Define the concepts of physical network interfaces, FPCs, and PICs

• Demonstrate how the show interfaces terse command verifies logical interfaces, interface status, and IP addresses

 

Network Interfaces, Part 2—Revealing and Filtering Detailed Interface Output

• Explain how to read the output of the full show interfaces command

• Demonstrate how to use the CLI pipe to filter the output of any command

 

Lab 2: Network Interfaces and Logical Units

 

Reading a Junos OS Configuration

• Explain the difference between viewing a Junos configuration in hierarchy view and in set view, and the advantages of each method

• Demonstrate how to read a Junos OS router configuration in set view

• Demonstrate how to read a Junos OS router configuration in hierarchy view

 

Lab 3: Reading a Junos OS Configuration

 

DAY 2

 

Configuring Junos OS—The Basics

• Describe how the candidate configuration helps to prevent mistakes during configuration changes

• Demonstrate how to commit changes, and how to roll back to previous configurations

• Describe how to deploy, edit, and delete pieces of configuration

• Explain how to use the commit confirmed feature

 

Lab 4: Configuring Junos OS—The Basics

 

Configuring Junos OS—Become a Power User

• Explain how to lock the candidate configuration, and how to deactivate and disable pieces of configuration

• Demonstrate how to deploy configuration within a specific part of the hierarchy

• Explain how to rename and replace configuration

• Describe the keyboard shortcuts that bring efficiency to your CLI session

 

Lab 5: Configuring Junos OS—Become a Power User

 

Routing Tables, Route Preference, and Longest Prefix Matches

• Define the difference between directly connected, static, and dynamic routes

• Explain how route preference selects the best route to a destination

• Explain the process of longest prefix match lookups

• Demonstrate how to view and verify the inet.0 and inet6.0 routing tables

 

Lab 6: Routes and Routing Tables

 

Static Routes

• Explain the advantages and trade-offs of using static routes

• Demonstrate how to configure and verify IPv4 and IPv6 static routes

• Explain the purpose of a default route, and deploy one to enable Internet connectivity

 

Lab 7: Static Routes

 

Dynamic Routing Protocols—The Theory

• Explain how routing protocols solve the problems of static routes

• Describe the difference between interior and exterior gateway protocols, and the advantages of link-state protocols such as OSPF and IS-IS

 

Dynamic Routing Protocols—Configuring OSPF

• Configure and verify a basic IPv4 OSPF deployment

• Configure and verify a basic IPv6 OSPF deployment

 

Lab 8: Dynamic Routing Protocols

 

DAY 3

 

Junos OS Switches, Part 1—VLANs, MAC Tables, and Access Ports

• Test your knowledge of some Layer 2 switching fundamentals

• Demonstrate how to configure and verify VLANs on a switch running Junos OS

• Describe how to configure access ports and verify MAC tables

 

Junos OS Switches, Part 2—Trunk Ports

• Describe how to deploy trunk ports on Junos OS switches

• Demonstrate how to configure multiple logical units on IP interfaces

• Explain the advantages of Juniper Networks EX and QFX Series Switches, and the wireless, wired, and WAN solutions offered by Mist AI

 

Lab 9: IP Interfaces with Multiple Logical Units

 

Junos OS Device Administration

• Explain the advantage of out-of-band management interfaces

• Describe how to maintain accurate time on a Junos OS device

• Explain the DNS resolution process, and how to enable DNS resolution

• Describe how to create new user accounts for management

• Demonstrate the features of the J-Web graphical interface

 

Setting Up a Brand-New Junos OS Device

• Describe the variety of default configurations you will find on Junos OS devices

• Explain how to use the console port, and the one piece of mandatory configuration on new devices

• Demonstrate some recommended initial system settings

• Explain the advantage of zero-touch provisioning

 

Lab 10: Junos OS Device Administration and Initial Settings

 

Junos OS Architecture—The Control Plane and the Data Plane

• Define the control plane, the forwarding plane, and the Packet Forwarding Engine

• Explain the difference between transit traffic and exception traffic

 

Junos OS Architecture—The Software That Powers Junos OS

• Describe the modular nature of Junos OS daemons, and explain how Junos OS is based on FreeBSD

• Explain the advantages offered by Junos OS Evolved

 

Logging, Troubleshooting, and Monitoring

• Explain how to create log files

• Demonstrate network connectivity troubleshooting commands

• Describe how to view interface statistics, errors, and live control plane traffic

• Demonstrate some helpful CLI management troubleshooting tricks

 

Lab 11: Logging, Troubleshooting, and Monitoring

 

DAY 4

 

Junos OS Firewall Filters, Part 1—The Theory

• Test your knowledge on some important transport layer fundamentals

• Define the difference between stateful security policies and stateless firewall filters

• Describe how firewall filters use named terms to take action on packets, based on your match conditions

• Demonstrate the logic involved in processing terms in a firewall filter

 

Junos OS Firewall Filters, Part 2—The Practical

• Describe the configuration of a Junos OS firewall filter

• Demonstrate how to use the insert command to change the order of terms in a firewall filter

 

Lab 12: Junos OS Firewall Filters

 

Junos OS Configuration—A Deeper Dive

• Describe how to annotate, lock, and redact parts of the configuration

• Explain how to create and manage files on your Junos device

• Describe how to use load commands to quickly apply configuration in bulk

• Demonstrate the ways that you can automate aspects of a Junos OS configuration

 

Lab 13: Junos OS Configuration—A Deeper Dive

 

Interfaces—A Deeper Dive

• Describe the configuration of IRB and loopback interfaces

• Explain how source IP addresses are selected from multiple options on an interface

• Demonstrate the advantages of load balancing and of aggregated Ethernet interfaces

 

Lab 14: Interfaces—A Deeper Dive

 

Junos OS Architecture—APIs and Automation

• Explain how Junos OS uses an XML API as an interface to the CLI and to a variety of automation options

Where Do You Go from Here?

• Describe how to continue getting hands-on practice with Junos OS once the course is complete

• Explain the Juniper Networks certification track

• Explain some of the most popular Juniper Networks courses that you might choose to take next

 

SELF-STUDY MODULES

 

Routing—A Deeper Dive

• Demonstrate a variety of advanced static route features

• Demonstrate the functionality and configuration of routing instances

• Describe the advantages of OSPF areas, IS-IS levels, and BGP as an exterior gateway protocol

 

Junos OS Firewall Filters—A Deeper Dive

• Demonstrate some advanced firewall filter match conditions and actions

• Explain the benefits of control plane firewall filter protection

• Describe how policers can rate-limit any traffic of your choosing

• Demonstrate some firewall filter caveats and potential best practices

 

Logging, Troubleshooting, and Monitoring—A Deeper Dive

• Demonstrate how monitoring systems use SNMP to interact with a device

• Explain how traceoptions offer advanced troubleshooting visibility of any problem

• Describe the error information available in the show interfaces extensive command

• Demonstrate some advanced CLI troubleshooting commands and filtering tools

 

Junos OS Device Administration—A Deeper Dive

• Explain the meaning of AAA, and demonstrate how to enable RADIUS and TACACS+ authentication

• Describe the order in which user authentication methods are checked

• Explain how to customize user accounts with custom permission classes and custom idle timeouts

 

Junos OS Routing Policy

• Explain how import and export policies can readvertise prefixes between protocols

• Describe the CLI syntax of a routing policy

• Demonstrate how a routing policy can export static routes into OSPF

• Describe some important advanced routing policy features and behaviors

 

Upgrading Junos OS

• Describe how to download a Junos OS image from the Juniper Networks website

• Demonstrate how to check available storage, and how to remove unnecessary files

• Demonstrate the Junos OS upgrade procedure

• Describe the most helpful upgrade customization options

 

J-Web

• Identify the purpose of each individual tab on the J-Web menu

• Configure device administration settings and perform simple tasks such as configuration and file management

• Demonstrate how to configure and monitor a network interface in J-Web

• Use the Feature Explorer to find out if a device supports J-Web

 

Refresher—Cables and Ethernet

• Explain the difference between copper and fiber-optic networking cables

• Describe how Ethernet uses MAC addresses to pass traffic to the next visible hop in the path

 

Refresher—IPv4 and Subnetting

• Describe the format of IPv4 addresses, and explain how to create a subnet

• Explain the role of a router in a network

 

Refresher—Switches, MAC Learning, Broadcast Domains, and VLANs

• Explain the difference between Layer 2 and Layer 3 switches

• Describe how switches and hosts learn MAC addresses

• Define the concept of VLANs and broadcast domains

 

Refresher—TCP and UDP

• Explain the difference between reliable and best-effort transmission, and between source and destination port numbers