Segment Routing in MPLS Networks
Transition from traditional MPLS to SR-MPLS with TI-LFA FRR
1st Edition
Published on 3. February 2025
292 pages
978-1-83620-320-9 (ISBN)
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Hemant Sharma
Segment Routing in MPLS Networks
Transition from traditional MPLS to SR-MPLS with TI-LFA FRR
Book
11/2024
Packt Publishing
€52.00
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Persons
Sharma Hemant :
Hemant Sharma is a seasoned network engineer with over 14 years of experience in SP networks. He holds a Bachelor of Engineering degree in information and technology and is a certified expert with credentials including CCNA, CCNP, and CCIE #28809 (Emeritus). An active contributor to the IETF, Hemant helps shape the future of networking standards. At Vodafone Group, Hemant leads the evolution of their Worldwide MPLS network and was instrumental in establishing the Vodafone Global SR-MPLS Network. He is recognized within Vodafone as an authority on IP/MPLS, MP-BGP, Multicast, and QoS. Hemant remains dedicated to staying updated with the latest networking trends, which underscores his reliability and expertise in the field.
Hemant Sharma is a seasoned network engineer with over 14 years of experience in SP networks. He holds a Bachelor of Engineering degree in information and technology and is a certified expert with credentials including CCNA, CCNP, and CCIE #28809 (Emeritus). An active contributor to the IETF, Hemant helps shape the future of networking standards. At Vodafone Group, Hemant leads the evolution of their Worldwide MPLS network and was instrumental in establishing the Vodafone Global SR-MPLS Network. He is recognized within Vodafone as an authority on IP/MPLS, MP-BGP, Multicast, and QoS. Hemant remains dedicated to staying updated with the latest networking trends, which underscores his reliability and expertise in the field.
Content
- Cover
- Title Page
- Copyright and Credits
- Dedication
- Foreword
- Contributors
- Table of Contents
- Preface
- Part 1 - MPLS Overview and Recap
- Chapter 1: Introduction to Multiprotocol Label Switching (MPLS)
- What is MPLS?
- Applications of MPLS
- Introducing FRR
- Introduction of Segment Routing (SR)
- What is SR?
- Advantages of SR-MPLS
- Disadvantages of SR-MPLS
- Structure of the book
- Network infrastructure
- Topology
- Summary
- References
- Chapter 2: Lab 1 - Getting Started with LDP-Based MPLS Network
- Objective
- IPv4 address
- Template
- Configuration
- Verification
- Interior Gateway Protocol - IS-IS (Intermediate System - Intermediate System)
- Template
- Configuration
- Verification
- MPLS LDP
- Configuration
- Verification
- Summary
- References
- Part 2 - Segment Routing (SR-MPLS)
- Chapter 3: Lab 2 - Introducing Segment Routing MPLS (SR-MPLS)
- Objective
- Segment Routing MPLS (SR-MPLS)
- What is an SID?
- Template
- Configuration
- Verification
- Using SR-MPLS in FIB
- Configuration
- Verification
- Summary
- References
- Chapter 4: Lab 3 - SR-LDP Interworking
- Objective
- MPLS domain separation
- Configuration
- Verification
- LDP to SR stitching
- Verification
- SR to LDP stitching
- Segment Routing Mapping Server (SRMS)
- Configuration
- Verification
- Migrating to SR-MPLS
- Configuration
- Stopping SRMS advertisements
- Summary
- References
- Part 3 - Fast Reroute in SR-MPLS Networks
- Chapter 5: Lab 4 - Introducing TI-LFA (Topology Independent - Loop-Free Alternate)
- Objective
- Background of fast rerouting
- Classic LFA
- Remote LFA
- Topology Independent Loop-Free Alternate (TI-LFA)
- Configuration
- Verification
- Verifying TI-LFA activation
- Verifying backup path availability
- Verifying a non-ECMP backup path
- Understanding backup path calculation
- Primary path
- Backup path
- Summary
- References
- Chapter 6: Lab 5 - Zero-Segment FRR
- Objective
- Configuration
- Verification
- Verifying max label support
- Verifying the zero-segment backup path
- Understanding backup path calculation
- Verifying the backup path traceroute
- Restoring the topology
- Summary
- References
- Chapter 7: Lab 6 - Single-Segment FRR
- Objective
- Configuration
- Verification
- Verify single-segment backup path
- Understanding backup path calculation
- Primary path
- Backup path
- Verifying backup path traceroute
- Summary
- References
- Chapter 8: Lab 7 - Double-Segment FRR
- Objective
- Configuration
- Verification
- Verifying the primary path from P8 to PE5
- Verifying double-segment backup path
- Understanding backup path calculation
- Primary path
- Backup path
- Verifying the backup path traceroute
- Restoring the topology
- Summary
- References
- Chapter 9: Lab 8 - Microloop Avoidance
- Objective
- Preparation
- Verification
- Verify the primary path from P2 to PE5
- Microloop avoidance in SR-MPLS networks
- Configuration
- Trigger microloop avoidance
- Verification
- Verifying the microloop avoidance primary path from P2 to PE5
- Understanding the explicit primary path calculation
- Verifying the post-convergence primary path from P2 to PE5
- Restore topology
- Summary
- References
- Chapter 10: Lab 9 - TI-LFA Node Protection
- Objective
- MPLS TE (MPLS Traffic Engineering)
- Enabling MPLS TE on all routers of the topology
- Preparing the base topology
- Configuration
- Verification
- Backup path in the RIB
- Backup path in the LFIB
- Verifying a backup path traceroute
- Understanding the backup path calculation
- Primary path
- Backup path
- Restoring the topology
- Summary
- References
- Chapter 11: Lab 10 - TI-LFA Local SRLG-Disjoint Protection
- Objective
- Configuration
- Verification
- Backup path in the RIB
- Backup path in the FIB
- Backup path in the LFIB
- Verifying the backup path traceroute
- Understanding the backup path calculation
- Primary path
- Backup path
- Summary
- References
- Chapter 12: Lab 11 - TI-LFA Global Weighted SRLG Protection
- Objective
- Configuration
- Verification
- Verify P7 advertises SRLG as TLV 238
- Backup path in the RIB
- Backup path in the FIB
- Backup path in the LFIB
- Examining the MPLS Traffic-Eng auto-tunnel
- Verifying the backup path traceroute
- Understanding backup path calculation
- Primary path
- Backup path
- Restoring the topology
- Summary
- References
- Chapter 13: Lab 12 - TI-LFA Node + SRLG Protection
- Objective
- Configuration
- Verification
- Backup path in the RIB
- Backup path in the FIB
- Backup path in the LFIB
- Examining the MPLS traffic-eng auto tunnel
- Verifying the backup path traceroute
- Understanding the backup path calculation
- Primary path
- Backup path
- Summary
- References
- Chapter 14: Lab 13 - TI-LFA Tiebreaker
- Preparation
- TI-LFA link protection preference
- Objective
- Configuration
- Verification
- Understanding backup path preference
- TI-LFA SRLG protection preference
- Objective
- Configuration
- Verification
- Understanding backup path preference
- TI-LFA node protection preference
- Objective
- Configuration
- Verification
- Understanding backup path preference
- Summary
- References
- Index
- About Packt
- Other Books You May Enjoy
