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MPLS Configuration on Cisco IOS Software

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  • Description
  • Sample Content
  • Updates
  • Copyright 2006
  • Pages: 720
  • Edition: 1st
  • eBook (Watermarked)
  • ISBN-10: 1-58705-444-2
  • ISBN-13: 978-1-58705-444-0

A complete configuration manual for MPLS, MPLS VPNs, MPLS TE, QoS, Any Transport over MPLS (AToM), and VPLS 

  • Understand the crucial Cisco commands for various MPLS scenarios
  • Understand fundamentals of MPLS operation and learn to configure basic MPLS in Frame Relay and ATM-based environments
  • Master fundamentals of MPLS VPN operation including Multiprotocol BGP (MBGP) operation, VPNv4 route exchange, and basic MPLS VPN configuration in the provider network
  • Understand and configure various PE-CE routing protocols in MPLS VPN networks
  • Understand MPLS VPN provisioning in an Inter-provider VPN (Inter-AS) and Carrier Supporting Carrier (CSC) environment
  • Learn MPLS TE and its advanced features
  • Examine AToM with configuration examples for like-to-like and any-to-any L2 VPN implementations and VPLS components and operation, VPLS configuration and verification, and VPLS topologies
  • Learn about MPLS QoS, including configuration and implementation of uniform and short pipe modes

MPLS Configuration on Cisco IOS Software is a complete and detailed resource to the configuration of Multiprotocol Label Switching (MPLS) networks and associated features. Through its practical, hands-on approach, you’ll become familiar with MPLS technologies and their configurations using Cisco IOS® Software.

MPLS Configuration on Cisco IOS Software covers basic-to-advanced MPLS concepts and configuration. Beyond its emphasis on MPLS, you’ll learn about applications and deployments associated with MPLS, such as traffic engineering (TE), Layer 2 virtual private networks (VPN), and Virtual Private LAN Service (VPLS). You’ll receive practical guidance and deployment scenarios that can be enhanced by re-creation of the setups and configurations demonstrated within this book.

You’ll move quickly from a brief overview of MPLS technology and basic MPLS configuration on Cisco® routers to more advanced topics. Several chapters provide instruction on VPN connectivity options, including implementing Border Gateway Protocol (BGP) in MPLS VPNs. You’ll receive configuration guidelines for advanced MPLS implementations such as MPLS TE, quality of service (QoS), and extranet VPNs. You’ll learn about implementation of Layer 2 VPNs versus Layer 3 VPNs with Cisco Any Transport over MPLS (AToM). And you’ll see demonstrations of implementing VPLS on Cisco routers complete with the configurations and platform support.

“I highly recommend MPLS Configuration on Cisco IOS Software as required reading for those in search of practical guidance of the technology and nuances of configuring MPLS for next-generation networks for voice, video, data, and application service offerings across a wide variety of deployment scenarios.”

–Carlos Dominguez, Senior Vice President, Worldwide Service Provider Operations, Cisco Systems®

This book is part of the Networking Technology Series from Cisco Press®, which offers networking professionals valuable information for constructing efficient networks, understanding new technologies, and building successful careers.

Table of Contents

Chapter 1              MPLS Overview

        Unicast IP Forwarding in Traditional IP Networks

        Overview of MPLS Forwarding

        Architectural Blocks of MPLS

        MPLS Terminology

        MPLS Control and Data Plane Components

        MPLS Operation

        MPLS Label Assignment

        LDP Session Establishment

        MPLS Label Distribution with LDP

        MPLS Label Retention

        Special Outgoing Label Types

        Penultimate Hop Popping

        Frame-Mode MPLS

        Frame-Mode MPLS Operation

        Loop Prevention in Frame-Mode MPLS

        Cell-Mode MPLS

        Cell-Mode MPLS Operation

        Loop Detection in Cell-Mode MPLS

        ATM VC-Merge

        Cell Interleave with VC-Merge Implementation

Chapter 2              Basic MPLS Configuration

        Frame-Mode MPLS Configuration and Verification

        Basic Frame-Mode MPLS Overview, Configuration, and Verification

        Frame-Mode MPLS over RFC 2684 Routed PVC

        Cell-Mode MPLS over ATM Overview, Configuration, and Verification

        Basic Cell-Mode MPLS Configuration and Verification

        Configuring Cell-Mode MPLS with VC-Merge

        Configuring MPLS Over ATM Without VC-Merge

        MPLS Over VP Tunnels Configuration and Verification

        Implementing Cell-Mode MPLS with BPX8600 and 7200 as Label Switch Controller

        Command Reference

Chapter 3              Basic MPLS VPN Overview and Configuration

        VPN Categories

        MPLS VPN Architecture and Terminology

        MPLS VPN Routing Model

        VRF: Virtual Routing and Forwarding Table

        Route Distinguisher, Route Targets, MP-BGP, and Address Families

        MPLS VPN Control Plane Operation

        MPLS VPN Data Plane Operation

        MPLS VPN Basic Configuration

        Configuration of CE Routers

        Configuring MPLS Forwarding and VRF Definition on PE Routers

        Final VRF Configuration on PE1-AS1 Router

        Verification of VRF Configuration on PE routers

        Configuration of BGP PE-PE Routing on PE Routers

        BGP PE-PE Routing Final Configuration on PE1-AS1 and PE2-AS1 Router

        Verification and Monitoring of BGP PE-PE Routing on PE Routers

        Configuration of P Router

        Label Verification and Control and Data Plane Operation

        Outbound Route Filters

        Command Reference

Chapter 4              PE-CE Routing Protocol–Static and RIP

        Static PE-CE Routing Overview, Configuration, and Verification

        Configuration Flowchart to Implement Static PE-CE Routing

        Configuring Static PE-CE Routing

        Static PE-CE Routing–Final Device Configurations for CE Routers (CE1-A and CE2-A)

        Static PE-CE Routing–Final Device Configuration for Provider Routers (P1-AS1 and P2-AS1)

        Static PE-CE Routing–Final Device Configurations for PE Routers (PE1-AS1 and PE2-AS1)

        Verification of Static PE-CE Routing

        Static PE-CE Routing Command Reference

        RIPv2 PE-CE Routing Overview, Configuration, and Verification

        Configuration Flowchart to Implement RIPv2 PE-CE Routing

        Configuring RIPv2 PE-CE Routing

        RIPv2 PE-CE Routing–Customer Edge CE1-A and CE2-A Configuration

        RIPv2 PE-CE Routing–Provider Edge (PE1-AS1 and PE2-AS1) Configuration

        Verification of RIPv2 PE-CE Routing

        Control Plane Forwarding Operation

        Data Forwarding Operation

        RIPv1 PE-CE Routing Configuration and Verification

        RIPv1 PE-CE Routing–PE1-AS1 and CE1-A Final Configuration

        Verification of RIPv1 PE-CE Routing

        RIP PE-CE Routing Command Reference

Chapter 5              PE-CE Routing Protocol–OSPF and EIGRP

        OSPF PE-CE Routing Protocol Overview, Configuration and Verification

        Traditional OSPF Routing Model

        MPLS VPN or OSPF Superbackbone Concept

        OSPF Route-Propagation Using MPLS VPN Superbackbone Concept

        OSPF Down Bit and Domain Tag

        Configuring and Verifying OSPF PE-CE Routing

        OSPF Sham-Links

        OSPF PE-CE Routing Command Summary

        EIGRP PE-CE Routing Protocol Overview, Configuration, and Verification

        EIGRP Route Propagation

        Configuration Flowchart for EIGRP PE-CE Routing

        Routing Loops and Suboptimal Routing

        BGP Cost Community Feature and EIGRP Site of Origin

        EIGRP PE-CE Routing Command Summary

Chapter 6              Implementing BGP in MPLS VPNs

        BGP PE-CE Routing Protocol Overview, Configuration and Verification

        Configuration Flowchart to Implement BGP PE-CE Routing for VPN Sites with Unique and Same AS Numbers

        Implementing BGP PE-CE Routing for VPN Sites with Unique and Same AS Numbers

        Implementing Route-Reflectors in MPLS VPN Networks

        RR Deployment Methods

        Configuring P Router as RR Only for VPNv4 Prefixes (Option 3)

        Partitioned RRs

        RRs and Peer Groups

        BGP Confederations

        Case Study–Hub and Spoke MPLS VPN Network Using BGP PE-CE Routing for Sites Using Unique AS Numbers

        Base MPLS VPN Configuration

        Hub and Spoke MPLS VPN Configuration for Sites Using Unique AS Numbers

        Verifying MPLS VPN Hub and Spoke Routing for Sites Using Unique AS Numbers

        Case Study–Hub and Spoke MPLS VPN Network with Sites Using Same AS Numbers

        Verifying MPLS VPN Hub and Spoke Routing for Spoke Sites Using Same AS Numbers

        Command Reference

Chapter 7              Inter-Provider VPNs

        Overview of Inter-Provider VPNs

        Option 1: Inter-Provider VPN Using Back-to-Back VRF Method

        Control Plane Forwarding in Option 1

        Data Forwarding in Option 1

        Configuring Back-to-Back VRF Method

        Option 2: Inter-Provider VPNs Using ASBR-to-ASBR Approach

        Option 2a: ASBR-ASBR Approach Using Next-Hop-Self Method

        Option 2b: ASBR-to-ASBR Approach Using Redistribute Connected

        Option 2c: Multi-Hop MP-eBGP Between ASBRs

        Option 3: Multi-Hop MP-eBGP Between RR and eBGP Between ASBRs

        Control Plane Forwarding in Option 3

        Data Forwarding in Option 3

        Configuration Flowchart to Implement Option 3

        Configuration and Verification of Option 3

        Option 4: Non-VPN Transit Provider

        Control Plane Forwarding in Option 4

        Data Forwarding in Option 4

        Configuration Flowchart in Option 4

        Configuration and Verification of Option 4

        Case Study–Inter-AS Implementing Route-Reflector and BGP Confederation in Provider Networks

        Case Study–Multi-Homed Inter-AS Provider Network

        Command Reference

Chapter 8              Carrier Supporting Carriers

        Carrier Supporting Carriers Overview

        Label Exchange Methods in CSC Architecture

        Deployment Scenarios with CSC Architecture

        CSC Network–Customer Carrier Not Running MPLS

        CSC Network–Customer Carrier Running MPLS

        CSC Network–Customer Carrier Providing MPLS VPN Service

        CSC Architecture Benefits

        Command Reference

Chapter 9              MPLS Traffic Engineering

        TE Basics

        MPLS TE Theory

        MPLS TE Overview

        RSVP with TE Extensions: Signaling

        RSVP Operation in MPLS TE

        Constraint-Based Routing and Operation in MPLS TE

        Maximum Versus Available Bandwidth

        Constraint-Based SPF

        OSPF Extension for MPLS TE

        IS-IS Extensions for MPLS TE

        Configuring MPLS TE

        MPLS TE Configuration Flowchart

        Configuring Dynamic Paths and Explicit Paths with MPLS TE

        Verification of MPLS TE Tunnel Creation

        Final Configurations for Dynamic and Explicit Tunnels with MPLS TE

        Unequal Cost Load Balancing Across Multiple TE Tunnels

        MPLS TE Fast ReRoute Link Protection

        Implementing MPLS VPNs over MPLS TE

        Verification of MPLS VPN over TE with PE to PE Tunnels

        Configuration of MPLS VPN over TE with PE to P Tunnels

        Command Reference

Chapter 10            Implementing VPNs with Layer 2 Tunneling Protocol Version 3

        L2TPv3 Overview

        Operation of L2TPv3

        L2TPv3 Modes of Operation

        L2TPv3 Prerequisites

        Tunnel Server Card Operation on GSR 12000 Series Routers When Implementing L2TPv3

        L2TPv3 Header Format

        Configuring L2TPv3 Tunnels for Layer 2 VPN

        Configuring L2TPv3 Static Tunnels

        Verification of Static L2TPv3 Tunnel Operation

        Final Device Configuration for L2TPv3 Static Tunnels

        Configuring L2TPv3 Dynamic Tunnels

        Verification of Dynamic L2TPv3 Tunnel Operation

        Final Device Configurations for L2TPv3 Dynamic Tunnels

        Implementing Layer 3 VPNs over L2TPv3 Tunnels

        Configuring L3VPN over L2TPv3 Tunnels

        Verification for L3VPN over L2TPv3 Tunnels

        Final Configurations for L3VPN over L2TPv3 Tunnels for PE Routers

        Command Reference

Chapter 11            Any Transport over MPLS (AToM)

        Introduction to Layer 2 VPNs

        VPWS and VPLS

        Pseudo Wire Reference Model

        AToM Terminology

        How AToM Works

        Implementing AToM for Like to Like Circuits

        ATM over MPLS

        Ethernet over MPLS

        PPP over MPLS

        HDLC over MPLS

        Frame Relay over MPLS

        L2 VPN–Any to Any Interworking

        Bridged Interworking Mode

        Routed Interworking Mode

        L2 VPN Interworking Limitations

        Configuring Layer 2 VPN Interworking

        Ethernet to VLAN Interworking

        Frame Relay to AAL5 Interworking

        Frame Relay to PPP Interworking

        Final Configurations for Devices to Implement Frame Relay to PPP Interworking

        Frame Relay to VLAN Interworking

        AAL5 to VLAN Interworking

        Local Switching

        Configuration Flowchart for Local Switching Among Like Circuits

        Local Switching–Frame Relay to Frame Relay

        Local Switching–Ethernet to Ethernet

        Local Switching–ATM to ATM

        Local Switching–Ethernet to Frame Relay

        Configuring Ethernet to Frame Relay Local Switching

        Command Reference

Chapter 12            Virtual Private LAN Service (VPLS)

        VPLS Overview

        VPLS Components

        VPLS Operation

        VPLS Topology–Single PE or Direct Attachment

        Configuration Flowchart for Direct Attachment VPLS

        Direct Attachment VPLS Configuration Scenario 1–Using Port and 802.1Q VLAN Modes

        Direct Attachment VPLS Configuration Scenario 2–Using Dot1q Tunnel Mode and Layer 2 Protocol Tunneling

        Hierarchical VPLS–Distributed PE Architecture

        Configuration Flowchart for Hierarchical VPLS Using Q-in-Q Mode

        Hierarchical VPLS Configuration Scenario 1–802.1Q Tunneling (Q-in-Q)

        Verification of VPLS Service

        PE Configurations

        u-PE Configurations

        CE Configurations for Customer A and Customer B

        Command Reference

Chapter 13            Implementing Quality of Service in MPLS Networks

        Introduction to Quality of Service–Classification and Marking

        Classification and Marking

        Congestion Management, Congestion Avoidance, Traffic Shaping, and Policing

        MPLS QoS Implementation

        MPLS QoS Operating Modes

        Uniform Mode

        Pipe Mode

        Short Pipe Mode

        Long Pipe Mode

        Summary of MPLS QoS Modes

        Modular QoS CLI: Configuration of QoS on Cisco Routers

        Configuration and Implementation of MPLS QoS in Uniform Mode and Short Pipe Mode Operation

        Implementing Uniform Mode

        Implementing Short Pipe Mode

        Implementing MPLS QoS for Layer 2 VPN Implementations

        Implementing QoS with AToM

        Implementing QoS with VPLS

        Implementing QoS with L2TPv3

        Command Reference

Chapter 14            MPLS Features and Case Studies

        Case Study 1: Implementing Multicast Support for MPLS VPNs

        Operation of Multicast MPLS VPN

        Configuration of Multicast Support for MPLS VPN

        Implementing Multicast Support for MPLS VPNs

        Verifications for Case Study 1

        Case Study 2: Implementing Multi-VRF CE, VRF Selection Using Source IP Address, VRF Selection Using Policy-Based Routing, NAT

        and HSRP Support in MPLS VPN, and Multicast VPN Support over Multi-VRF CE

        Configuration of Core Devices in Case Study 2

        Theory and Configuration of Features in Case Study 2

        Verifications for Case Study 2

        Final Configurations for Case Study 2

        Case Study 3: Implementing Layer 2 VPNs over Inter-AS Topologies Using Layer 2 VPN Pseudo-Wire Switching

        Layer 2 VPN Pseudo-Wire Switching Theory and Configuration

        Verifications for Case Study 3

        Final Configurations for Case Study 3

        Case Study 4: Implementing Layer 3 VPNs Over Layer 2 VPN Topologies and Providing L2 VPN Redundancy

        Layer 3 VPN over L2 VPN Configuration

        Implementing L2 VPN Redundancy

        L2 VPN Pseudo-Wire Redundancy Configuration for Customer A Traffic from PE1-A to PE2-A

        Verifications for Case Study 4

        Final Configurations for Case Study 4

        Case Study 5: Implementing Dynamic Layer 3 VPNs Using mGRE Tunnels

        Configuring Layer 3 VPN Over mGRE Tunnels

        Verifications for Case Study 5

        Final configurations for Layer 3 VPN over mGRE Tunnels for PE Routers

        Case Study 6: Implementing Class-Based Tunnel Selection with MPLS Traffic Engineering

        Implementing Class-Based Tunnel Selection

        Configuring CBTS

        Verification of Class-Based Tunnel Selection

        Final Configurations for Case Study 6

        Case Study 7: Implementing Hub and Spoke Topologies with OSPF

        Hub and Spoke with OSPFv2: Configuration of CE Routers and Spoke PE Routers

        Configuration of Hub-PE Router and Verification of OSPF Hub and Spoke Operation

        Case Study 8: Implementing Hub and Spoke Topologies with EIGRP

        Configurations for the CE and Spoke PE Routers

        Configurations for the Hub PE Router and Verification of EIGRP Hub and Spoke Operation

        Case Study 9: Implementing VPLS Services with the GSR 12000 Series

        Theory and Operation of VPLS on a GSR 12000 Series

        GSR VPLS Packet Forwarding

        GSR VPLS Requirements and Configuration

        Case Study 10: BGP Site of Origin

        Command Reference

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