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Nokia 7705 SAR-W Series - User Manual

Nokia 7705 SAR-W Series
594 pages
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© 2022 Nokia.
Use subject to Terms available at: www.nokia.com
7705 SERVICE AGGREGATION
ROUTER | RELEASE 22.10.R1
MPLS Guide
3HE 18686 AAAB TQZZA
Edition: 01
October 2022
MPLS Guide

Table of Contents

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Nokia 7705 SAR-W Series Specifications

General IconGeneral
BrandNokia
Model7705 SAR-W Series
CategoryNetwork Router
LanguageEnglish

Summary

Preface

About This Guide

Describes services, protocol support, and examples for MPLS (RSVP-TE and LDP) configuration.

Technical Support

Information on contacting Nokia support and accessing product manuals and documentation updates.

7705 SAR MPLS Configuration Process

MPLS and RSVP-TE

Overview

Explains MPLS technology, RSVP-TE, and LDP for traffic-engineered and non-traffic-engineered LSPs.

MPLS

Details Multiprotocol Label Switching (MPLS) as a label switching technology for connection-oriented paths.

RSVP and RSVP-TE

Describes Resource Reservation Protocol (RSVP) and its traffic engineering extension (RSVP-TE) for MPLS.

LSP Redundancy

Details how primary LSPs can be protected by up to two secondary LSPs for failure recovery.

Make-Before-Break (MBB) Procedures for LSP and Path Parameter Configuration Changes

Covers the MBB procedure for switching LSPs to new paths without service interruption.

Automatic Creation of RSVP-TE LSPs

Enables automated creation of point-to-point RSVP-TE LSPs within a single IGP IS-IS level or OSPF area.

Automatic Creation of RSVP-TE LSP Mesh (Auto-LSP)

Facilitates automatic creation of RSVP-TE point-to-point LSPs to destination nodes matching a peer prefix policy.

Automatic Creation of an RSVP-TE Single-Hop LSP

Enables automatic signaling of single-hop, point-to-point LSPs to directly connected neighbors.

Automatic ABR Selection for Inter-area LSPs

Supports automatic area border router (ABR) selection at the ingress LER for inter-area RSVP point-to-point LSPs.

RSVP-TE Fast Reroute (FRR)

Mechanism to protect against LSP failures by reacting as soon as possible, using precomputed backup LSPs.

Shared Risk Link Groups

Defines Shared Risk Link Groups (SRLGs) as sets of interfaces sharing the same failure risk.

RSVP-TE Graceful Shutdown

Provides a method to reroute transit LSPs away from a node prior to maintenance.

RSVP-TE Support for Unnumbered Interfaces

Details how RSVP-TE signaling for traffic engineering (TE) LSPs can be used over unnumbered LDP interfaces.

PCEP Support for RSVP-TE LSPs

Describes the support of PCC-initiated RSVP-TE LSPs, including configuration commands and behavior.

Segment Routing with Traffic Engineering (SR-TE)

Explains how segment routing adds shortest path and source routing capabilities to IS-IS and OSPF.

SR-TE LSP Instantiation

Details how SR-TE LSPs can be configured with paths computed by the router or an external TE controller (PCE).

MPLS and RSVP-TE Configuration Process Overview

Outlines the process to configure MPLS and RSVP-TE parameters, from START to RUN.

Configuration Notes

Provides essential guidelines and caveats for MPLS and RSVP-TE configuration.

Configuring MPLS and RSVP-TE with CLI

Offers information for configuring MPLS and RSVP-TE using the Command Line Interface (CLI).

MPLS Configuration Overview

Explains how MPLS enables routers to forward traffic based on labels rather than IP address lookups.

Common Configuration Tasks

Offers an overview of common LDP configuration tasks, including enabling LDP and configuring session parameters.

MPLS Configuration Management Tasks

Discusses tasks for managing MPLS configuration, including deleting, modifying LSPs, paths, and interfaces.

RSVP-TE Configuration Management Tasks

Discusses tasks for managing RSVP-TE configuration, including modifying parameters and interfaces.

Configuring and Operating SR-TE

Provides information on the configuration and operation of Segment Routing with Traffic Engineering (SR-TE) LSPs.

MPLS and RSVP-TE Command Reference

Provides a reference for MPLS and RSVP-TE commands, organized by command hierarchies.

PCEP

Introduction to the Path Computation Element (PCE) Communication Protocol (PCEP)

Introduces PCEP, its role in WAN SDN, and the Nokia Network Services Platform (NSP).

Base Implementation of Path Computation Elements (PCE)

Details the base PCEP implementation using RFC 5440, covering TLVs, objects, and messages.

PCEP Session Establishment and Maintenance

Explains PCEP session setup over TCP, including OPEN messages, keepalive, and parameter negotiation.

PCEP Parameters

Lists user-configurable PCEP parameters on the PCC, such as keepalive, dead timer, and message rate.

PCEP Support for RSVP-TE LSPs

Describes PCEP support for RSVP-TE LSPs, including configuration commands and behavior.

LSP Path Diversity and Bidirectionality Constraints

Details how PCE path profiles enforce path diversity and bidirectionality constraints for RSVP-TE LSP paths.

NSP and VSR-NRC PCE Redundancy

Introduces redundancy support for PCE and PCC capabilities within the NSP ecosystem.

Configuring RSVP-TE LSPs with PCEP Using the CLI

Provides CLI commands and examples for configuring and operating RSVP-TE LSPs with PCEP.

PCEP Configuration Command Reference

Offers a reference for PCEP configuration commands, organized by command hierarchies.

Label Distribution Protocol

Label Distribution Protocol

Explains LDP's role in distributing labels for non-traffic-engineered applications and establishing LSPs.

LDP Point-to-Multipoint Support

Details LDP support for point-to-multipoint mLDP, including configuration and protocol aspects.

Multicast LDP Fast Upstream Switchover

Allows downstream LSRs to perform fast switchover for mLDP FECs due to upstream LSR failures.

LDP IPv6

Describes LDP control plane and data plane support for LDP IPv6 adjacencies and sessions using 128-bit LSR ID.

LDP Adjacency Capabilities

Defines adjacency-level FEC-type capability advertisement and its negotiation for LDP IPv4/IPv6 sessions.

IP Address and FEC Distribution

Explains how IP addresses and FECs are distributed in LDP sessions, including dual-stack support.

IGP and Static Route Synchronization with LDP

Details how IGP-LDP synchronization and static route synchronization features are modified for dual-stack interfaces.

BFD Operation

Describes how BFD operation over an LDP interface tracks next hops and LDP peer addresses for failure detection.

LDP Process Overview

Illustrates the process for provisioning basic LDP parameters, covering configuration and implementation steps.

Basic LDP Configuration

Provides information and configuration examples for basic LDP setup on a 7705 SAR router.

Common Configuration Tasks

Offers an overview of common LDP configuration tasks, including enabling LDP and configuring session parameters.

LDP Configuration Management Tasks

Discusses tasks for managing LDP configuration, including disabling LDP and modifying parameters.

LDP Command Reference

Provides a reference for LDP commands, organized by command hierarchies.

Supported Standards and Protocols

Security Standards

Lists security standards compliance, including FIPS 140-2 for cryptographic modules.

Telecom Standards

Details compliance with various telecom standards, including IEEE and ITU-T recommendations.

Protocol Support

Lists supported protocols, including ATM, BFD, BGP, DHCP, Differentiated Services, and IPsec.

Proprietary MIBs

Lists proprietary Management Information Bases (MIBs) supported by the system for network management.

Related product manuals