Implementing Cisco MPLS
Course MPLS v2.3; 5 Days, Instructor-led
Course DescriptionThis design document is for the refresh of the Implementing Cisco MPLS (MPLS) v2.3 instructor-led training (ILT) course, which is used for the Multiprotocol Label Switching (MPLS) Cisco CCIP® certification tract. The course is five days long and uses standard ILT form. This update to the course reflects the most-recent developments in network design and technologies, using real-world scenarios to help reinforce the learning of key objectives.
Objectives
Describe the features of MPLS
Describe how MPLS labels are assigned and distributed
Configure and troubleshoot frame-mode MPLS on Cisco IOS platforms
Describe the MPLS peer-to-peer architecture and explain the routing and packet-forwarding model in this architecture
Configure, monitor, and troubleshoot VPN operations
Describe how the MPLS VPN model can be used to implement managed services and Internet access
Describe the various Internet access implementations that are available and the benefits and drawbacks of each model
Describe the tasks and commands that are necessary to implement MPLS TE
Prerequisites
The knowledge and skills that a learner must have before attending this course include the following:
Cisco CCNA® certification or the equivalent level of working knowledge and experience
Building Scalable Cisco Internetworks
Configuring BGP on Cisco Routers
Who Should Attend
The primary audience for this course is as follows:
responsible for implementing and troubleshooting basic IP multicast-enabled networks within a single domain.
The secondary audience for this course is as follows:
The course is targeted toward pre-sales and post-sales technical engineers who are responsible for designing, implementing, and troubleshooting MPLS networks or solutions that are based on MPLS technology.
Course Outline
Module 1: MPLS Features
Lesson 1: Describing Basic MPLS Concepts
o MPLS Overview
o MPLS Terminology
o MPLS Architecture Components
Lesson 2: Describing MPLS Labels and Label Stack
o MPLS Labels
o MPLS Label Imposition
o MPLS Label Stack
Lesson 3: Identifying MPLS Applications
o MPLS Services
o MPLS IP Routing
o MPLS VPNs
o MPLS Traffic Engineering
o MPLS Quality of Service
o Any Transport over MPLS
o Interactions Between MPLS services
Module 2: Label Assignment and Distribution
Lesson 1: Discovering LDP Neighbors
o Label-Distributing Protocols
o LDP Session Establishment
o Discovering LDP Neighbors
o Negotiating LDP Sessions
Lesson 2: Describing Typical Label Distribution in Frame-Mode MPLS
o Propagating Labels Across a Network
o Label Switched Paths
o Propagating Labels by Using PHP
o Impact of IP Aggregation on LSPs
o Allocating Labels in a Frame-Mode MPLS Network
o Distributing and Advertising Labels
o Detecting Frame-Mode Loops
Lesson 3: Describing Convergence in Frame-Mode MPLS
o MPLS Steady-State Operation
o Routing Protocol Convergence After a Link Failure
o MPLS Convergence After a Link Failure
o Link Recovery Actions
Module 3: Frame-Mode MPLS Implementation on Cisco IOS Platforms
Lesson 1: Using Cisco Express Forwarding Switching
o Cisco IOS Platform Switching Mechanisms
o Using Standard IP Switching
o Cisco Express Forwarding Switching Architecture
o Configuring IP Cisco Express Forwarding
o Monitoring IP Cisco Express Forwarding
Lesson 2: Configuring Frame-Mode MPLS on Cisco IOS Platforms
o MPLS Configuration Tasks
o Configuring the MPLS ID on a Router
o Configuring MPLS on a Frame-Mode Interface
o Configuring a Label-Switching MTU
o Configuring IP TTL Propagation
o Configuring Conditional Label Distribution
Lesson 3: Monitoring Frame-Mode MPLS on Cisco IOS Platforms
o Monitoring MPLS
o Monitoring LDP
o Monitoring Label Switching
o Debugging MPLS and LDP
Lesson 4: Troubleshooting Frame-Mode MPLS on Cisco IOS Platforms
o Common Frame-Mode MPLS Issues
o Solving LDP Session Startup Issues
o Solving Label Allocation Issues
o Solving Label Distribution Issues
o Solving Packet-Labeling Issues
o Solving Intermittent MPLS Failures
o Solving Packet Propagation Issues
Module 4: MPLS Virtual Private Network Technology
Lesson 1: Introducing Virtual Private Networks
o Basic VPN Overview
o VPN Implementation Models
o Benefits and Drawbacks of VPNs
Lesson 2: Introducing MPLS VPN Architecture
o MPLS VPN Architecture
o Methods of Propagating Routing Information Across the P-Network
o Route Distinguishers
o Route Targets
Lesson 3: Introducing the MPLS VPN Routing Model
o Support for Internet Routing
o Routing Tables on PE Routers
o Identifying End-to-End Routing Update Flow
Lesson 4: Forwarding MPLS VPN Packets
o End-to-End VPN Forwarding Mechanisms
o VPN Penultimate Hop Popping
o Propagating VPN Labels Between PE Routers
o Effects of MPLS VPNs on Label Propagation
o Effects of MPLS VPNs on Packet Forwarding
Module 5: MPLS VPN Implementation
Lesson 1: Using MPLS VPN Mechanisms of Cisco IOS Platforms
o VRF Table
o Need for Routing Protocol Contexts
o VPN-Aware Routing Protocols
o Using VRF Tables
o Propagating BGP Routes—Outbound
o Propagating BGP Routes—Inbound
o Propagating Non-BGP Routes—Outbound
o Propagating Non-BGP Routes—Inbound
Lesson 2: Configuring VRF Tables
o VRF Configuration Tasks
o Creating VRF Tables and Assigning RDs
o Specifying Export and Import RTs
o Using MPLS VPN IDs
o Assigning an Interface to a VRF Table
o Typical Configuration to Enable VRFs
Lesson 3: Configuring an MP-BGP Session Between PE Routers
o Configuring BGP Address Families
o Enabling BGP Neighbors
o Configuring MP-BGP
o Configuring MP-IBGP
o Configuring MP-BGP Community Propagation
o Disabling IPv4 Route Exchange
Lesson 4: Configuring Small-Scale Routing Protocols Between PE and CE Routers
o Configuring PE-CE Routing Protocols
o Selecting the VRF Routing Context for BGP
o Configuring Per-VRF Static Routes
o Configuring RIP PE-CE Routing
o Configuring EIGRP PE-CE Routing
o Configuring SOO for EIGRP PE-CE Loop Prevention
Lesson 5: Monitoring MPLS VPN Operations
o Monitoring VRF Routing
o Monitoring MP-BGP Sessions
o Monitoring an MP-BGP VPNv4 Table
o Monitoring Per-VRF Cisco Express Forwarding and LFIB Structures
o Monitoring Labels Associated with VPNv4 Routes
o Identifying Other MPLS VPN Monitoring Commands
Lesson 6: Configuring OSPF as the Routing Protocol Between PE and CE Routers
o Enhanced OSPF Hierarchical Model
o Propagating OSPF Customer Routes
o Implementing MPLS VPNs as an OSPF Super backbone
o Configuring OSPF PE-CE Routing
o Using the OSPF Down Bit
o Optimizing Packet Forwarding Across the MPLS VPN Backbone
o Using the OSPF Tag Field
o Sham Link
o Configuring a Sham Link
Lesson 7: Configuring BGP as the Routing Protocol Between PE and CE Routers
o Configuring a Per-VRF BGP Routing Context
o Reasons for Limiting the Number of Routes in a VRF
o Limiting the Number of Prefixes Received from a BGP Neighbor
o Limiting the Total Number of VRF Routes
o Identifying AS-Override Issues
o Identifying the Allow as Issue
o Implementing SOO for Loop Prevention
Lesson 8: Troubleshooting MPLS VPNs
o Identifying Preliminary Steps in MPLS VPN Troubleshooting
o Verifying the Routing Information Flow
o Validating CE-to-PE Routing Information Flow
o Validating PE–to-PE Routing Information Flow
o Validating PE-to-CE Routing Information Flow
o Identifying the Issues When Verifying the Data Flow
o Validating Cisco Express Forwarding Status
o Validating the End-to-End LSP
o Validating the LFIB Status
Module 6: Complex MPLS VPNs
Lesson 1: Introducing Overlapping VPNs
o Participants in Overlapping VPNs
o Typical Overlapping VPN Usages
o Overlapping VPN Routing
o Overlapping VPN Data Flow
o Configuring Overlapping VPNs
o Access Characteristics of a Central Services VPN
o Routing Characteristics of a Central Services VPN
o Identifying Central Services VPN Data Flow Model
o Configuring a Central Services VPN
o Integrating a Central Services VPN with a Simple VPN
o Identifying the RD Requirements When Integrating Central Services and Simple VPNs
o Identifying the RT Requirements When Integrating Central Services and Overlapping VPNs
Lesson 3: Using Advanced VRF Import and Export Features
o Advanced VRF Features
o Configuring Selective VRF Import
o Configuring Selective VRF Export
Lesson 4: Introducing the Managed CE Routers Service
o Requirements of Managed CE Routers
o VRF and RD Requirements
o Configuring Managed CE Routers
Module 7: Internet Access and MPLS VPNs
Lesson 1: Combining Internet Access with MPLS VPNs
o Customer Internet Connectivity Scenarios
o Internet Design Models for Service Providers
o Internet Access Through Global Routing
o Internet Access as a Separate VPN
o Internet Access Through Route Leaking
Lesson 2: Implementing Separate Internet Access and VPN Services
o Classical Internet Access for a VPN Customer
o Using Separate Sub-interfaces
o Accessing the Internet from Every Customer Site
o Separate Internet Access Benefits and Limitations
Lesson 3: Implementing Internet Access as a Separate VPN
o Internet Access as a Separate VPN
o Implementing Redundant Internet Access
o Implementing Classical Internet Access for a VPN Customer
o Implementing Internet Access from Every Customer Site
o Implementing Wholesale Internet Access
o Running an Internet Backbone in a VPN
Module 8: MPLS Traffic Engineering Overview
Lesson 1: Introducing Traffic Engineering Concepts
o Traffic Engineering Overview
o Business Drivers for Traffic Engineering
o Congestion Avoidance and Traffic Engineering
o Traffic Engineering with a Layer 2 Overlay Model
o MPLS Traffic Engineering Model
Lesson 2: Understanding MPLS TE Components
o Traffic Tunnel Concepts
o Traffic Tunnel Characteristics
o Traffic Tunnel Attributes
o Network Links and Link Attributes
o Constraint-Based Path Computation
o Traffic Engineering Process
o Role of RSVP in Path Setup and Trunk Admission Control
o Forwarding Traffic to a Tunnel
Lesson 3: Configuring MPLS Traffic Engineering on Cisco IOS Platforms
o MPLS TE Configuration Flowchart
o Enabling Device-Level MPLS-TE Support
o Configuring IGP for MPLS TE Support
o Enabling Basic MPLS-TE on an Interface
o Creating and Configuring a Traffic Tunnel
o Mapping Traffic into Tunnels with Auto-route
Lesson 4: Monitoring Basic MPLS TE on Cisco IOS Platforms
o Monitoring MPLS TE Tunnels
o Monitoring MPLS TE Lab Outline
Lab 2-1: Establishing the Service Provider IGP Routing Environment Lab 3-1: Establishing the Core MPLS Environment
Lab 5-1: Configuring Initial MPLS VPN Setup
Lab 5-2: Running EIGRP between PE and CE Routers Lab 5-3: Running OSPF between PE and CE Routers Lab 5-4: Running BGP between PE and CE Routers Lab 6-1: Establishing Overlapping VPNs
Lab 6-2: Merging Service Providers
Lab 6-3: Establishing a Common Services VPN
