MPLS Overview

This chapter describes Multiprotocol Label Switching (MPLS) and contains the following sections:

• MPLS Overview
• Conventions for MPLS Topics
• MPLS Terms and Acronyms
• MPLS Features
• MPLS Platform Considerations
• MPLS References
• MPLS Label Switching and Packet Forwarding
• MPLS Label Distribution Methodology
• Mapping IP Data Packets onto MPLS LSPs
• Statistics for IP Packets Moving On or Off MPLS LSPs
• MPLS Forwarding and Next-Hop Tables
• Spoof Checking MPLS Packets
• IP and IPv6 Tunnel Routing Tables and MPLS Tunnels
• Explicit Routing for MPLS
• MPLS Interfaces and Interface Stacking
• MPLS Label Distribution Protocols
• ECMP Labels for MPLS
• LDP Discovery Mechanisms
• MPLS Traffic Engineering
• Topology-Driven LSPs
• LDP Graceful Restart
• LDP-IGP Synchronization
• Determining Peer Reachability with RSVP-TE Hello Messages
• RSVP-TE Graceful Restart
• RSVP-TE Hellos Based on Node IDs
• BFD Protocol and RSVP-TE
• Point-to-Multipoint LSPs Overview
• Point-to-Multipoint LSPs Configuration

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