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Junos OS and the IS-IS Routing Protocol

Intermediate System to Intermediate System is the routing protocol of choice for most large service providers. This course teaches you the basics of IS-IS, the CLNS routed protocol, and how to configure IS-IS on Junos OS based network devices.

Intermediate
3h 11m
(10)

Created by Martin Brown

Last Updated Dec 03, 2025

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  • Course

Junos OS and the IS-IS Routing Protocol

Intermediate System to Intermediate System is the routing protocol of choice for most large service providers. This course teaches you the basics of IS-IS, the CLNS routed protocol, and how to configure IS-IS on Junos OS based network devices.

Intermediate
3h 11m
(10)

Created by Martin Brown

Last Updated Dec 03, 2025

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What you'll learn

Most corporate networks prefer to use OSPF to advertise subnets to other routers on the network. Service providers and ISPs however, prefer to use a routing protocol that can scale beyond OSPF. In this course, Junos OS and the IS-IS Routing Protocol, you’ll learn foundational knowledge of the routing protocol known as Intermediate System to Intermediate System or IS-IS. First, you'll explore the basics of IS-IS. Next, you’ll delve into the underlying CLNS routed protocol. Finally, you’ll learn how IS-IS enabled routers share data. When you’re finished with this course, you'll have the skills and knowledge of the Intermediate System to Intermediate System routing protocol needed to support and configure the routing protocol preferred by service providers the world over. Software required: Junos OS version 12.1 or higher.

Junos OS and the IS-IS Routing Protocol
Intermediate
3h 11m
(10)
Table of contents

About the author
Martin Brown - Pluralsight course - Junos OS and the IS-IS Routing Protocol
Martin Brown
14 courses 4.8 author rating 120 ratings

Martin is a network security engineer with several years experience in various markets including retail and aerospace in many different countries and at the moment works for a UK based tier 1 service provider working with technology from Cisco, F5, Checkpoint, Infoblox, and, of course, Juniper.

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