Junos MPLS Fundamentals (JMF) Online

Voraussetzungen

• Strong general TCP/IP knowledge;
• knowledge of Junos OS to the JNCIA-Junos certification level; and
• Knowledge of routing and switching to the JNCIS-SP certification level.
• The following courses or equivalent knowledge:
  Getting Started with Networking online course
  Introduction to the Junos Operating System course
  Junos Intermediate Routing course
  Junos Enterprise Switching course, Junos Service Provider Switching course, or both
  

Zielgruppe

• Individuals responsible for designing, implementing, and troubleshooting MPLS networks that make use of RSVP and LDP as the signaling method for the creation of LSPs;
• Individuals who work with, or who aspire to work with, service provider networks;
• Individuals studying for the JNCIS-SP certification exam; and
• Individuals who have already passed the JNCISSP certification exam, and want to revise these concepts before attempting the JNCIE-SP certification exam

Detaillierter Kursinhalt

Day 1

Chapter 1: Course Introduction

Chapter 2: MPLS—Introduction

• Describe the BGP remote next-hop mechanic, and hop-by-hop forwarding
• Explain the original historical motivations for MPLS
• List the alternative modern use cases for MPLS

Chapter 3: MPLS—The Mechanics

• Explain how labels are built, and how they flow between routers
• Describe the end-to-end data plane of a packet across a label-switched path
• Summarize the four primary protocols that can build label-switched paths

Chapter 4: MPLS—Static LSPs and the Forwarding Plane

• Configure a service provider’s edge and core devices for MPLS
• Configure the headend router of an LSP and explain the impact this has on the router's inet.3 table
• Configure transit routers and verify their mpls.0 tables
• Lab 1: Static LSPs and the Forwarding Plane

Chapter 5: RSVP—Introduction

• Explain the purpose, features, and advantages of RSVP
• Configure a service provider network to be ready to host RSVP label-switched paths

Chapter 6: RSVP—Configuring A Basic LSP

• Configure and verify an RSVP label-switched path that follows the metrically best path
• Explain the purpose of MPLS self-ping
• Explain how an RSVP LSP is signaled and created

Chapter 7: RSVP—The Traffic Engineering Database

• Describe the purpose of the IS-IS/OSPF traffic engineering extensions
• Configure and verify an LSP that uses the traffic engineering database to calculate its path
• Explain the impact that loose and strict hops can have on an LSP
• Lab 2: RSVP LSPs

Day 2

Chapter 8: RSVP—LSP Bandwidth Reservation

• Describe the use cases for RSVP bandwidth reservations, and the Path message objects that are used
• Configure LSP bandwidth reservations, and verify how these reservations are advertised

Chapter 9: RSVP—LSP Priorities

• Describe problems that can be caused by RSVP LSP bandwidth reservations, and the solution offered by priority levels
• Describe the default RSVP LSP priority levels, and configure alternative settings
• Configure LSP soft preemption to avoid downtime
• Lab 3: RSVP—LSP Bandwidth and Priorities

Chapter 10: RSVP—Constrained Shortest Path First, and Admin Groups

• Describe the CSPF algorithm, along with its tie breakers
• Configure and verify admin groups on LSPs

Chapter 11: RSVP—LSP Failures, Errors, and Session Maintenance

• Describe the events that can tear down an LSP, and the RSVP messages that make it happen
• Describe how RSVP has changed over the years from a soft-state protocol to a reliable stateful protocol

Chapter 12: RSVP—Primary and Secondary Paths

• Explain the use cases and configuration for primary and secondary paths
• Identify the benefits and trade-offs of standby secondary paths
• Show the advantage of pre-installing backup paths to the forwarding table

Chapter 13: RSVP—Local Repair, Part 1—One-to-One Backup or Fast Reroute

• Demonstrate the downtime that can be caused by a link or node failure in an MPLS network, and how a local repair path can significantly reduce this downtime
• Explain the mechanics of the one-to-one backup method
• Explain the many different meanings of the term “fast reroute”
• Configure and verify the one-to-one backup method of local repair

Chapter 14: RSVP—Local Repair, Part 2—One-to-One Backup or Fast Reroute

• Demonstrate the downtime that can be caused by a link or node failure in an MPLS network, and how a local repair path can significantly reduce this downtime
• Explain the mechanics of the one-to-one backup method
• Explain the many different meanings of the term “fast reroute”
• Configure and verify the one-to-one backup method of local repair
• Lab 5: RSVP—One-to-One Backup and Facility Backup

Day 3

Chapter 15: RSVP—LSP Optimization

• Describe the LSP optimization algorithm and how to configure this feature

Chapter 16: RSVP—Make-Before-Break and Adaptive

• Describe the make-before-break mechanic, and list the features that use this mechanic by default
• Explain how shared explicit signaling can prevent double-counting of bandwidth, and configure this feature for all other LSPs

Chapter 17: LDP—The Label Distribution Protocol

• Describe the key features, advantages, and trade-offs of LDP
• Explain the particular methods by which LDP generates and advertises MPLS labels

Chapter 18: LDP—Configuration

• Configure a basic LDP deployment, and describe the protocol messages that this configuration generates
• Verify the interface messages, sessions, and labels that this configuration generatesLab 4: RSVP— Primary and Secondary Paths

Chapter 19: LDP—Enhancements and Best Practices

• Explain the LDP-IGP Synchronization feature that reduces dropped packets during topology changes
• Describe how the BGP next-hop resolution process can be altered in LDP
• Configure session protection to improve the integrity of LDP during network failure

Chapter 20: LDP—Egress, Import, and Export Policies

• Configure and verify LDP egress policies to advertise any FEC of your choosing
• Configure and verify LDP import and export policies to limit the distribution of FECs
• Lab 6: LDP—Label Distribution Protocol

Chapter 20: Appendix: Segment Routing