Junos MPLS Fundamentals (JMF) – Details

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