Junos MPLS Fundamentals

Junos MPLS FundamentalsJMFJPJuniper NetworksJP-JMF19.a<ul> <li>Explain the reasons MPLS was originally created, and the applications offered by label-switched paths.</li><li>Describe the structure of an MPLS label, the mechanics of the data plane, and the protocols that can advertise labels.</li><li>Configure static LSPs, verify the routing tables they populate, and explain the label actions these LSPs perform.</li><li>Explain the purpose and advantages of RSVP, then configure a service provider network to host RSVP LSPs.</li><li>Configure and verify a basic RSVP label-switched path.</li><li>Explain the purpose of the MPLS traffic engineering database, and create LSPs that use this database to calculate a path.</li><li>Explain the purpose of RSVP bandwidth reservations, and how to configure an LSP to reserve bandwidth.</li><li>Explain the use-cases for RSVP LSP priority levels, and configure different priority levels of a variety of LSPs.</li><li>Explain how the Constrained Shortest-Path First algorithm can calculate trafficengineered paths.</li><li>Explain the messages involved in tearing down, rerouting, and maintaining LSPs and RSVP sessions.</li><li>Describe how primary and secondary paths can be used in times of link and node failure.</li><li>Describe the advantages of RSVP local repair paths, and how to configure the one-to-one method of local repair, otherwise known as fast reroute.</li><li>Explain the mechanics, configuration, and verification of facility backup, otherwise known as link protection and node-link protection.</li><li>Explain how RSVP LSPs can automatically find and signal better, more optimal paths.</li><li>Explain how LSPs can gracefully move traffic to new paths with no downtime to the user.</li><li>Explain the mechanics by which LDP creates a full mesh of label-switched paths.</li><li>Configure and verify a basic LDP deployment in a service provider network.</li><li>Describe some important LDP enhancements and best practices that increase the integrity of real-world LDP deployments.</li><li>Explain how to configure LDP to advertise labels for more than just a router's loopback.</li><li>Explain how segment routing differs from RSVP and LDP, and configure segment routing as a replacement for LDP.</li></ul><ul> <li>Strong general TCP/IP knowledge;</li><li>knowledge of Junos OS to the JNCIA-Junos certification level; and</li><li>Knowledge of routing and switching to the JNCIS-SP certification level.</li><li>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 </li></ul><ul> <li>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;</li><li>Individuals who work with, or who aspire to work with, service provider networks;</li><li>Individuals studying for the JNCIS-SP certification exam; and</li><li>Individuals who have already passed the JNCISSP certification exam, and want to revise these concepts before attempting the JNCIE-SP certification exam</li></ul><h5>Day 1</h5>Chapter 1: Course Introduction Chapter 2: MPLS—Introduction <ul> <li>Describe the BGP remote next-hop mechanic, and hop-by-hop forwarding</li><li>Explain the original historical motivations for MPLS</li><li>List the alternative modern use cases for MPLS</li></ul>Chapter 3: MPLS—The Mechanics <ul> <li>Explain how labels are built, and how they flow between routers</li><li>Describe the end-to-end data plane of a packet across a label-switched path</li><li>Summarize the four primary protocols that can build label-switched paths</li></ul>Chapter 4: MPLS—Static LSPs and the Forwarding Plane <ul> <li>Configure a service provider’s edge and core devices for MPLS</li><li>Configure the headend router of an LSP and explain the impact this has on the router's inet.3 table</li><li>Configure transit routers and verify their mpls.0 tables</li><li>Lab 1: Static LSPs and the Forwarding Plane</li></ul>Chapter 5: RSVP—Introduction <ul> <li>Explain the purpose, features, and advantages of RSVP</li><li>Configure a service provider network to be ready to host RSVP label-switched paths</li></ul>Chapter 6: RSVP—Configuring A Basic LSP <ul> <li>Configure and verify an RSVP label-switched path that follows the metrically best path</li><li>Explain the purpose of MPLS self-ping</li><li>Explain how an RSVP LSP is signaled and created</li></ul>Chapter 7: RSVP—The Traffic Engineering Database <ul> <li>Describe the purpose of the IS-IS/OSPF traffic engineering extensions</li><li>Configure and verify an LSP that uses the traffic engineering database to calculate its path</li><li>Explain the impact that loose and strict hops can have on an LSP</li><li>Lab 2: RSVP LSPs</li></ul> <h5>Day 2</h5>Chapter 8: RSVP—LSP Bandwidth Reservation <ul> <li>Describe the use cases for RSVP bandwidth reservations, and the Path message objects that are used</li><li>Configure LSP bandwidth reservations, and verify how these reservations are advertised</li></ul>Chapter 9: RSVP—LSP Priorities <ul> <li>Describe problems that can be caused by RSVP LSP bandwidth reservations, and the solution offered by priority levels</li><li>Describe the default RSVP LSP priority levels, and configure alternative settings</li><li>Configure LSP soft preemption to avoid downtime</li><li>Lab 3: RSVP—LSP Bandwidth and Priorities</li></ul>Chapter 10: RSVP—Constrained Shortest Path First, and Admin Groups <ul> <li>Describe the CSPF algorithm, along with its tie breakers</li><li>Configure and verify admin groups on LSPs</li></ul>Chapter 11: RSVP—LSP Failures, Errors, and Session Maintenance <ul> <li>Describe the events that can tear down an LSP, and the RSVP messages that make it happen</li><li>Describe how RSVP has changed over the years from a soft-state protocol to a reliable stateful protocol</li></ul>Chapter 12: RSVP—Primary and Secondary Paths <ul> <li>Explain the use cases and configuration for primary and secondary paths</li><li>Identify the benefits and trade-offs of standby secondary paths</li><li>Show the advantage of pre-installing backup paths to the forwarding table</li></ul>Chapter 13: RSVP—Local Repair, Part 1—One-to-One Backup or Fast Reroute <ul> <li>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</li><li>Explain the mechanics of the one-to-one backup method</li><li>Explain the many different meanings of the term “fast reroute”</li><li>Configure and verify the one-to-one backup method of local repair</li></ul>Chapter 14: RSVP—Local Repair, Part 2—One-to-One Backup or Fast Reroute <ul> <li>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</li><li>Explain the mechanics of the one-to-one backup method</li><li>Explain the many different meanings of the term “fast reroute”</li><li>Configure and verify the one-to-one backup method of local repair</li><li>Lab 5: RSVP—One-to-One Backup and Facility Backup</li></ul> <h5>Day 3</h5> Chapter 15: RSVP—LSP Optimization <ul> <li>Describe the LSP optimization algorithm and how to configure this feature</li></ul>Chapter 16: RSVP—Make-Before-Break and Adaptive <ul> <li>Describe the make-before-break mechanic, and list the features that use this mechanic by default</li><li>Explain how shared explicit signaling can prevent double-counting of bandwidth, and configure this feature for all other LSPs</li></ul>Chapter 17: LDP—The Label Distribution Protocol <ul> <li>Describe the key features, advantages, and trade-offs of LDP</li><li>Explain the particular methods by which LDP generates and advertises MPLS labels</li></ul>Chapter 18: LDP—Configuration <ul> <li>Configure a basic LDP deployment, and describe the protocol messages that this configuration generates</li><li>Verify the interface messages, sessions, and labels that this configuration generatesLab 4: RSVP— Primary and Secondary Paths</li></ul>Chapter 19: LDP—Enhancements and Best Practices <ul> <li>Explain the LDP-IGP Synchronization feature that reduces dropped packets during topology changes</li><li>Describe how the BGP next-hop resolution process can be altered in LDP</li><li>Configure session protection to improve the integrity of LDP during network failure</li></ul>Chapter 20: LDP—Egress, Import, and Export Policies <ul> <li>Configure and verify LDP egress policies to advertise any FEC of your choosing</li><li>Configure and verify LDP import and export policies to limit the distribution of FECs</li><li>Lab 6: LDP—Label Distribution Protocol</li></ul>Chapter 20: Appendix: Segment Routing- Explain the reasons MPLS was originally created, and the applications offered by label-switched paths. - Describe the structure of an MPLS label, the mechanics of the data plane, and the protocols that can advertise labels. - Configure static LSPs, verify the routing tables they populate, and explain the label actions these LSPs perform. - Explain the purpose and advantages of RSVP, then configure a service provider network to host RSVP LSPs. - Configure and verify a basic RSVP label-switched path. - Explain the purpose of the MPLS traffic engineering database, and create LSPs that use this database to calculate a path. - Explain the purpose of RSVP bandwidth reservations, and how to configure an LSP to reserve bandwidth. - Explain the use-cases for RSVP LSP priority levels, and configure different priority levels of a variety of LSPs. - Explain how the Constrained Shortest-Path First algorithm can calculate trafficengineered paths. - Explain the messages involved in tearing down, rerouting, and maintaining LSPs and RSVP sessions. - Describe how primary and secondary paths can be used in times of link and node failure. - Describe the advantages of RSVP local repair paths, and how to configure the one-to-one method of local repair, otherwise known as fast reroute. - Explain the mechanics, configuration, and verification of facility backup, otherwise known as link protection and node-link protection. - Explain how RSVP LSPs can automatically find and signal better, more optimal paths. - Explain how LSPs can gracefully move traffic to new paths with no downtime to the user. - Explain the mechanics by which LDP creates a full mesh of label-switched paths. - Configure and verify a basic LDP deployment in a service provider network. - Describe some important LDP enhancements and best practices that increase the integrity of real-world LDP deployments. - Explain how to configure LDP to advertise labels for more than just a router's loopback. - Explain how segment routing differs from RSVP and LDP, and configure segment routing as a replacement for LDP.- 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- 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 examDay 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 Routing3 Tage1800.005210.002500.002500.002500.001500.002500.002500.002500.002500.001600.00