Expert Training: Segment Routing(SR) for Cisco Platforms
Segment Routing (SR) for Cisco
Module 1: Introduction to Segment Routing
What is Segment Routing?
Evolution from Traditional MPLS to SR
SR vs LDP Comparison
SR Architecture Components
Benefits and Use Cases
SR Deployment Models: SR-MPLS vs SRv6
Module 2: Segment Routing Concepts
Segment Types (Node, Adjacency, Binding)
Segment Identifier (SID)
Label Stack and Forwarding
SR Global Block (SRGB)
Prefix SID and Adjacency SID
Topology Independent Loop-Free Alternate (TI-LFA)
Module 3: SR Control Plane Integration
IGP Extensions for Segment Routing
OSPF Extensions for SR
IS-IS Extensions for SR
BGP Prefix-SID and BGP-LS
On-demand Next-hop (ODN)
SR Policy Architecture (PCEP and BGP)
Module 4: Segment Routing with Cisco IOS-XR
Enabling SR on IOS-XR
Configuring SRGB and Prefix-SID
Segment Routing Policies
On-demand Next-Hop and BGP-SR Policy
Verifying SR with IOS-XR CLI and Show Commands
Module 5: Segment Routing with IOS-XE
SR Support in IOS-XE (CSR1000v/ASR)
Configuring SR-MPLS in IOS-XE
OSPF/IS-IS Segment Routing Extensions
Policy-Based Forwarding using SR
SR and EIGRP Interoperability
Module 6: SRv6 (Segment Routing over IPv6)
What is SRv6?
SRv6 Header Format (SRH)
End, End.X, End.DT, and Other Functions
SRv6 Network Programming
SRv6 Deployment Scenarios (Metro, 5G, DC)
Module 7: Traffic Engineering and SR Policies
SR-TE Architecture
Static vs Dynamic SR-TE
Path Computation Element (PCE) and SR-PCE
BGP SR-Policy Concepts and Use Cases
Fast Reroute and TI-LFA with SR-TE
Application-Aware Routing and SLO Assurance
Module 8: Monitoring and Troubleshooting
Show Commands and Packet Tracing
Segment Routing Operations and Telemetry
Ping, Traceroute with SIDs
Cisco Crosswork and Telemetry Integration
Troubleshooting Label Stack Issues
Module 9: Real-World Use Cases
SR in Service Provider Core
SR for Data Center Interconnect
SR for 5G Transport Networks
Migration from LDP to SR
Cisco SD-WAN and SR Integration
Module 10: Hands-on Lab Exercises
Lab 1: Segment Routing Basics with IOS-XR
Lab 2: Prefix-SID and Adjacency-SID Configuration
Lab 3: SR-TE Policy Configuration and Verification
Lab 4: Inter-AS and Multi-Domain SR-TE
Lab 5: SRv6 Deployment and Testing (Optional)
Lab 6: Troubleshooting SR Paths and Label Stack
