Mpls Overview; Chapter 2 Mpls Overview - Juniper BGP - CONFIGURATION GUIDE V 11.1.X Configuration Manual

Chapter 2

MPLS Overview

This chapter describes Multiprotocol Label Switching (MPLS) and contains the following
sections:
MPLS Overview on page 202
Conventions for MPLS Topics on page 202
MPLS Terms and Acronyms on page 203
MPLS Features on page 206
MPLS Platform Considerations on page 207
MPLS References on page 207
MPLS Label Switching and Packet Forwarding on page 209
MPLS Label Distribution Methodology on page 218
Mapping IP Data Packets onto MPLS LSPs on page 220
Statistics for IP Packets Moving On or Off MPLS LSPs on page 222
MPLS Forwarding and Next-Hop Tables on page 224
Spoof Checking MPLS Packets on page 225
IP and IPv6 Tunnel Routing Tables and MPLS Tunnels on page 225
Explicit Routing for MPLS on page 226
MPLS Interfaces and Interface Stacking on page 227
MPLS Label Distribution Protocols on page 229
ECMP Labels for MPLS on page 233
MPLS Connectivity Verification and Troubleshooting Methods on page 235
Point-to-Multipoint LSPs Connectivity Verification at Egress Nodes
Overview on page 237
Ping Extensions for Point-to-Multipoint LSPs Connectivity Verification at Egress
Nodes on page 237
TLVs and Sub-TLVs Supported for Point-to-Multipoint LSPs Connectivity
Verification at Egress Nodes on page 239
LDP Discovery Mechanisms on page 242
MPLS Traffic Engineering on page 243
Topology-Driven LSPs on page 246
LDP Graceful Restart on page 247
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