Table of Contents MPLS GUIDE Preface Preface About This Guide Audience List of Technical Publications Searching for Information To search for specific information in this guide To search for specific information in multiple documents Getting Started In This Chapter Alcatel-Lucent Router Configuration Process MPLS and RSVP In This Chapter In This Chapter MPLS MPLS Label Stack Label Values Label Switching Routers LSP Types Bidirectional Forwarding Detection for MPLS LSPs Bootstrapping the BFD Session LSP BFD Configuration Enabling and Implementing Limits for LSP BFD on a Node BFD Configuration on RSVP-TE LSPs MPLS Facility Bypass Method of MPLS Fast Re-Route (FRR) Manual Bypass LSP PLR Bypass LSP Selection Rules FRR Node-Protection (Facility) Uniform FRR Failover Time Automatic Bandwidth Allocation for RSVP LSPs Enabling and Disabling Auto-Bandwidth Allocation on an LSP Autobandwidth on LSPs with Secondary or Secondary Standby Paths Measurement of LSP Bandwidth Passive Monitoring of LSP Bandwidth Periodic Automatic Bandwidth Adjustment Overflow-Triggered Auto-Bandwidth Adjustment Manually-Triggered Auto-Bandwidth Adjustment RSVP Using RSVP for MPLS RSVP Traffic Engineering Extensions for MPLS Hello Protocol MD5 Authentication of RSVP Interface Configuring Authentication using Keychains Reservation Styles RSVP Message Pacing RSVP Overhead Refresh Reduction RSVP Graceful Restart Helper Enhancements to RSVP control plane congestion control RSVP LSP Statistics P2MP RSVP-TE LSP Statistics Configuring RSVP P2MP LSP Egress Statistics Configuring RSVP P2MP LSP Ingress Statistics Configuring Implicit Null Using Unnumbered Point-to-Point Interface in RSVP Operation of RSVP FRR Facility Backup over Unnumbered Interface MPLS Transport Profile (MPLS-TP) MPLS-TP Model MPLS-TP Provider Edge and Gateway VLL Services Detailed Descriptions of MPLS-TP MPLS-TP LSPs MPLS-TP on Pseudowires MPLS-TP Maintenance Identifiers Generic Associated Channel MPLS-TP Operations, Administration and Maintenance (OAM) On-Demand Connectivity Verification (CV) using LSP-Ping Proactive CC, CV and RDI BFD-based RDI PW Control Channel Status Notifications (Static Pseudowire Status Signaling) PW Control Channel Status Request Mechanism Pseudowire Redundancy and Active / Standby Dual Homing Lock Instruct and Loopback for MPLS-TP Pseudowires MPLS-TP LSP Protection Switching Static MPLS-TP to Dynamic T-LDP Signaled PWs Configuring MPLS-TP Configuration Overview Node-Wide MPLS-TP Parameter Configuration Node-Wide MPLS-TP Identifier Configuration Static LSP and pseudowire (VC) Label and Tunnel Ranges Interface Configuration for MPLS-TP LER Configuration for MPLS-TP LSP and Path Configuration Support for Downstream Mapping Information Proactive CC/CV (using BFD) Configuration Protection templates and Linear Protection Configuration Intermediate LSR Configuration for MPLS-TP LSPs MPLS-TP Show Commands Static MPLS Labels MPLS-TP Tunnel Configuration MPLS-TP Path configuration MPLS-TP Protection MPLS TP Node Configuration MPLS-TP Interfaces MPLS-TP Debug Commands Traffic Engineering TE Metric (IS-IS and OSPF) Admin Group Support on Facility Bypass Backup LSP Procedures at Head-End Node Procedures at PLR Node Diff-Serv Traffic Engineering Mapping of Traffic to a Diff-Serv LSP Admission Control of Classes Maximum Allocation Model Russian Doll Model Example CT Bandwidth Sharing with RDM RSVP Control Plane Extensions IGP Extensions Diff-Serv TE Configuration and Operation RSVP Protocol Level RSVP Interface Level LSP and LSP Path Levels Diff-Serv TE LSP Class Type Change under Failure LSP Primary Path Retry Procedures Bandwidth Sharing Across Class Types Downgrading the CT of Bandwidth Sharing LSP Paths Upgrading the CT of Bandwidth Sharing LSP Paths Advanced MPLS/RSVP Features Extending RSVP LSP to use Loopback Interfaces Other Than router-id LSP Path Change Manual LSP Path Switch Make-Before-Break (MBB) Procedures for LSP/Path Parameter Configuration Change Automatic Creation of RSVP-TE LSP Mesh RSVP-TE LSP Shortcut for IGP Resolution Using LSP Relative Metric with IGP Shortcut ECMP Considerations Handling of Control Packets Forwarding Adjacency LDP Forwarding over IGP Shortcut Handling of Multicast Packets Disabling TTL Propagation in an LSP Shortcut RSVP-TE LSP Signaling using LSP Template Shared Risk Link Groups Enabling Disjoint Backup Paths SRLG Penalty Weights for Detour and Bypass LSPs Static Configurations of SRLG Memberships TE Graceful Shutdown Soft Preemption of Diff-Serv RSVP LSP Least-Fill Bandwidth Rule in CSPF ECMP Selection Inter Area TE LSP (ERO Expansion Method) Area Border Node FRR Protection for Inter Area LSP Rerouting of Inter-Area LSP Behavior of MPLS Options in Inter-Area LSP Inter-Area LSP support of OSPF Virtual Links Area Border Node FRR Protection for Inter Area LSP Automatic Creation of a RSVP Mesh LSP Feature Configuration Feature Behavior Multi-Area and Multi-Instance Support Mesh LSP Name Encoding and Statistics Timer-based Reversion for RSVP-TE LSPs Automatic Creation of an RSVP One-Hop LSP Feature Configuration Feature Behavior Point-to-Multipoint (P2MP) RSVP LSP Application in Video Broadcast P2MP LSP Data Plane Procedures at Ingress LER Node Procedures at LSR Node Procedures at Branch LSR Node Procedures at Egress LER Node Procedures at BUD LSR Node Ingress Path Management for P2MP LSP Packets Ingress P2MP Path Management on IOM-3/IMMs Ingress P2MP Path Management on IOM-2 RSVP Control Plane in a P2MP LSP Forwarding Multicast Packets over RSVP P2MP LSP in the Base Router Procedures at Ingress LER Node Procedures at Egress LER Node Procedures with a Primary Tunnel Interface MPLS Service Usage Service Distribution Paths MPLS/RSVP Configuration Process Overview Configuration Notes Configuring MPLS and RSVP with CLI MPLS Configuration Overview LSPs Paths Router Interface Choosing the Signaling Protocol Basic MPLS Configuration Common Configuration Tasks Configuring MPLS Components Configuring Global MPLS Parameters Configuring an MPLS Interface Configuring MPLS Paths Configuring an MPLS LSP Configuring a Static LSP Configuring Manual Bypass Tunnels Configuring RSVP Parameters Configuring RSVP Message Pacing Parameters Configuring Graceful Shutdown MPLS Configuration Management Tasks Deleting MPLS Modifying MPLS Parameters Modifying an MPLS LSP Modifying MPLS Path Parameters Modifying MPLS Static LSP Parameters Deleting an MPLS Interface RSVP Configuration Management Tasks Modifying RSVP Parameters Modifying RSVP Message Pacing Parameters Deleting an Interface from RSVP MPLS/RSVP Command Reference Command Hierarchies MPLS Commands MPLS-TP Commands LSP Commands lsp-bfd Commands MPLS Path Commands RSVP Commands Show Commands Tools Commands Router Commands Clear Commands Debug Commands MPLS Configuration Commands Generic Commands MPLS Commands Point-to-Multipoint MPLS (P2MP) Commands RSVP Configuration Commands Generic Commands RSVP Commands 0 Interface Commands Show Commands Show Router BFD session Commands Show RSVP Commands Tools Commands Clear Commands Debug Commands GMPLS In This Chapter In This Chapter GMPLS Example Applications Use Case 1: Dynamic Connection Setup with Constraints Use Case 2: Multi-Layer Resiliency GMPLS UNI Architecture Addressing and End-to-End gLSP Architecture 1830 PSS Identifiers Recovery Reference Models End to End Recovery (IP-layer) End to End ECMP End to End Load Sharing Using a Load Sharing GMPLS Tunnel Group End to End Recovery (GMPLS Layer) Unprotected gLSP Full LSP Rerouting 1: N Protection Optical Segment Recovery Configuring GMPLS with CLI GMPLS Configuration Overview LMP and IPCC Configuration Configuration of IP Communication Channels for LMP and RSVP Configuring LMP Configuring Traffic Engineering Links and Data Bearers Configuring MPLS Paths for GMPLS Configuring RSVP in GMPLS Configuring a GMPLS LSP on the UNI gLSP Constraints Bandwidth Shared Risk Link Groups Optical Network Segment Recovery Configuration of End-to-End GMPLS Recovery GMPLS Tunnel Groups Configuring IP and MPLS in an Overlay Network to Use a GMPLS LSP Configuration Notes GMPLS Command Reference Command Hierarchies LMP Commands GMPLS Commands GMPLS Tunnel Group Commands Show Commands Clear Commands Debug Commands Tools Commands GMPLS Configuration Commands LMP Commands GMPLS Commands Show Commands Clear Commands Debug Commands Tools Commands Label Distribution Protocol In This Chapter In This Chapter Label Distribution Protocol LDP and MPLS LDP Architecture Subsystem Interrelationships Memory Manager and LDP Label Manager LDP Configuration Logger Service Manager Execution Flow Initialization Session Lifetime Adjacency Establishment Session Establishment Label Exchange Other Reasons for Label Actions Cleanup Configuring Implicit Null Label Global LDP Filters Per LDP Peer FEC Import and Export Policies Configuring Multiple LDP LSR ID T-LDP hello reduction Tracking a T-LDP Peer with BFD Link LDP Hello Adjacency Tracking with BFD LDP LSP Statistics TTL Security for BGP and LDP ECMP Support for LDP Label Operations Unnumbered Interface Support in LDP Feature Configuration Operation of LDP over an Unnumbered IP Interface Link LDP Targeted LDP FEC Resolution LDP over RSVP Tunnels Signaling and Operation LDP Label Distribution and FEC Resolution Default FEC Resolution Procedure FEC Resolution Procedure When prefer-tunnel-in-tunnel is Enabled Rerouting Around Failures LDP-over-RSVP Tunnel Protection ABR Protection LDP over RSVP Without Area Boundary LDP over RSVP and ECMP Class-Based Forwarding of LDP Prefix Packets over IGP Shortcuts Configuration and Operation LDP ECMP Uniform Failover LDP Fast-Reroute for IS-IS and OSPF Prefixes LDP FRR Configuration Reducing the Scope of the LFA Calculation by SPF LDP FRR Procedures ECMP Considerations LDP FRR and LDP Shortcut LDP FRR and LDP-over-RSVP LDP FRR and RSVP Shortcut (IGP Shortcut) IS-IS and OSPF Support for Loop-Free Alternate Calculation Loop-Free Alternate Calculation in the Presence of IGP shortcuts Loop-Free Alternate Calculation for Inter-Area/inter-Level Prefixes Loop-Free Alternate Shortest Path First (LFA SPF) Policies mLDP Fast Upstream Switchover LDP FEC to BGP Label Route Stitching Configuration Detailed LDP FEC Resolution Detailed BGP Labeled Route Resolution Data Plane Forwarding Automatic Creation of a Targeted Hello Adjacency and LDP Session Feature Configuration Feature Behavior Multicast P2MP LDP for GRT LDP P2MP Support LDP P2MP Configuration LDP P2MP Protocol Make Before Break (MBB) ECMP Support Multicast LDP Fast Upstream Switchover Feature Configuration Feature Behavior Uniform Failover from Primary to Backup ILM Multi-Area and Multi-Instance Extensions to LDP LDP Shortcut for BGP Next-Hop Resolution LDP Shortcut for IGP Routes LDP Shortcut Configuration IGP Route Resolution LDP Shortcut Forwarding Plane ECMP Considerations Disabling TTL Propagation in an LSP Shortcut LDP Graceful Handling of Resource Exhaustion LDP Base Graceful Handling of Resources LDP Enhanced Graceful Handling of Resources LSR Overload Notification LSR Overload Protection Capability Procedures for LSR overload protection User Guidelines and Troubleshooting Procedures Common Procedures Base Resource Handling Procedures Enhanced Resource Handling Procedures LDP IPv6 Control and Data Planes LDP Operation in an IPv6 Network Link LDP Targeted LDP FEC Resolution LDP Session Capabilities LDP Adjacency Capabilities Address and FEC Distribution Controlling IPv6 FEC Distribution During an Upgrade to SROS Supporting LDP IPv6 Handling of Duplicate Link-Local IPv6 Addresses in FEC Resolution IGP and Static Route Synchronization with LDP BFD Operation Services Using SDP with an LDP IPv6 FEC Mirror Services and Lawful Intercept Configuration at mirror source node Configuration at mirror destination node Static Route Resolution to a LDP IPv6 FEC IGP Route Resolution to a LDP IPv6 FEC OAM Support with LDP IPv6 LDP IPv6 Interoperability Considerations Interoperability with Implementations Compliant with draft-ietf-mpls-ldp‑ipv6 Interoperability with Implementations Compliant with RFC 5036 for IPv4 LDP Control Plane Only LDP Process Overview Configuring LDP with CLI LDP Configuration Overview Basic LDP Configuration Common Configuration Tasks Enabling LDP Configuring FEC Originate Parameters Configuring Graceful-Restart Helper Parameters Applying Export and Import Policies Targeted Session Parameters Interface Parameters Session Parameters LDP Signaling and Services LDP Configuration Management Tasks Disabling LDP Modifying Targeted Session Parameters Modifying Interface Parameters LDP Command Reference Configuration Commands LDP Commands Show Commands Clear Commands Debug Commands Tools Commands LDP Configuration Commands Generic Commands Interface Parameters Commands Session Parameters Commands Targeted Session Commands TCP Session Parameters Commands Show LDP Commands Clear Commands Debug Commands Tools Commands Standards and Protocol Support
