BGP v4.0 - Configuring BGP on Cisco® Routers

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    BGP v4.0 - Configuring BGP on Cisco® Routers

    (6 weeks)
    Version 4.0


    Overview
    Configuring BGP on Cisco Routers version 4.0 provides students with in-depth knowledge of Border Gateway Protocol (BGP), the routing protocol that is one of the foundations of the Internet and New World technologies such as Multiprotocol Label Switching (MPLS). This curriculum covers the theory of BGP, configuration of BGP on Cisco IOS routers, detailed troubleshooting information, and hands-on exercises that provide learners with the skills that they need to configure and troubleshoot BGP networks in customer
    environments. Different service solutions in the curriculum cover BGP network design issues and usage rules for various BGP features, preparing learners to design and implement efficient, optimal, and troublefree BGP networks.

    Note: Students registering for this course will be receiving their course kit in a digital format.

    Objectives
    After completing this course the student should be able to:
    Describe how to configure, monitor, and troubleshoot basic BGP to enable
    interdomain routing in a network scenario with multiple domains
    Describe how to use BGP policy controls to influence the BGP route selection
    process in a network scenario In which you must support connections to multiple ISPs
    Describe how to use BGP attributes to influence the route selection process in a network scenario where you must support multiple connections
    Describe how to successfully connect the customer network to the Internet in a network scenario in which multiple connections must be implemented
    Describe how to configure the service provider network to behave as a transit AS in a typical implementation with multiple BGP connections to other autonomous systems
    Enable route reflection as possible solution to BGP scaling issues in a typical service provider network with multiple BGP connections to other autonomous systems
    Describe the available BGP tools and features to optimize the scalability of the BGP routing protocol in a typical BGP network

    Prerequisites
    The knowledge and skills that a learner must have before attending this course are as follows:
    Intermediate to advanced knowledge of Cisco IOS Software configuration
    Configuring and troubleshooting RIP, EIGRP, OSPF and IS-IS
    Skills and knowledge equivalent to those learned in:
    Interconnecting Cisco Networking Devices v2.0, Part 1 (ICND1 v2.0) and
    Part 2 (ICND2 v2.0), or Interconnecting Cisco Networking Devices: Accelerated Version 2.0 (CCNAX v2.0)
    Implementing Cisco IP Routing (ROUTE v2.0)
    Building Cisco Service Provider Next-Generation Networks Part 1
    (SPNGN1) v1.2
    Building Cisco Service Provider Next-Generation Networks Part 2
    (SPNGN2) v1.2

    Who Should Attend
    The primary audience for this course is as follows:
    This course is intended primarily for network administrators, network engineers, network managers and systems engineers who would like to implement BGP.

    The secondary audience for this course is as follows:
    This course is intended for network designers and project managers. The course is also recommended to all individuals preparing for BGP exam.

    Course Outline

    Module 1: BGP Overview
    Lesson 1: Introducing BGP
    Interdomain Routing
    Why External Routing Protocols?
    BGP Characteristics
    BGP Development Considerations
    Single-Homed Customers
    Multihomed Customers
    Transit Autonomous Systems
    BGP Limitations
    Summary
    Lesson 2: Understanding BGP Path Attributes
    BGP Path Attributes
    Well-Known BGP Attributes
    Optional BGP Attributes
    AS-Path Attribute
    Next-Hop Attribute
    Summary
    Lesson 3: Establishing BGP Sessions
    BGP Neighbor Discovery
    Establishing a BGP Session
    BGP Keepalives
    MD5 Authentication
    Summary
    Lesson 4: Processing BGP Routes
    Receiving Routing Updates
    Building BGP Table
    BGP Route Selection Criteria
    BGP Route Propagation
    Building IP Routing Table
    Advertising Local Networks
    Automatic Summarization
    Summary
    Lesson 5: Configuring Basic BGP
    BGP Routing Process
    Configuring External Neighbors
    Discovery 1: Configure Basic BGP
    Announcing Networks in BGP
    Redistributing Routes into BGP
    Discovery 2: Announcing Networks in BGP
    BGP Conditional Route Injection
    BGP Support for TTL Security Check
    Discovery 3: Implement BGP TTL Security Check
    Multihomed Customer Problem
    Summary
    Lesson 6: Monitoring and Troubleshooting BGP
    Monitoring Overall BGP Routing
    Monitoring BGP Neighbors
    Monitoring BGP Table
    Debugging BGP
    BGP Session Startup Problems
    BGP Neighbor Not Reachable
    BGP Neighbor Not Configured
    BGP AS Number Mismatch
    Summary
    Lesson 7: Module Summary
    References
    Lesson 8: Module Self-Check

    Module 2: BGP Transit Autonomous Systems
    Lesson 1: Working with Transit AS
    Transit AS Tasks
    External Route Propagation
    Internal Route Propagation
    Packet Forwarding in AS
    Core Router IBGP Requirements in Transit AS
    Discovery 4: BGP Route Propagation
    Summary
    Lesson 2: Interacting with IBGP and EBGP in Transit AS
    AS-Path Processing in IBGP
    Multipath Load Sharing in BGP
    BGP Split Horizon
    IBGP Full Mesh
    IBGP Neighbors
    IBGP Next-Hop Processing
    Discovery 5: IBGP Full Mesh
    Transit Network Using Edge Routers as Next Hops Example
    Differences Between EBGP and IBGP Sessions
    Scalability Limitations of IBGP-Based Transit Backbones
    Summary
    Lesson 3: Forwarding Packets in Transit AS
    Packet Forwarding in Transit AS
    Recursive Lookup in Cisco IOS Software
    Routing Protocols in Transit AS
    BGP and IGP Interaction
    Discovery 6: BGP Administrative Distance
    Problems with BGP and IGP Interaction
    Summary
    Lesson 4: Monitoring and Troubleshooting IBGP in Transit AS
    Monitoring IBGP
    Common IBGP Problems
    Troubleshooting IBGP Session Startup Issues
    Troubleshooting IBGP Route Selection Issues
    Troubleshooting IBGP Synchronization Issues
    Summary
    Lesson 5: Module Summary
    References
    Lesson 6: Module Self-Check

    Module 3: Route Selection Using Policy Controls
    Lesson 1: Using Multihomed BGP Networks
    Business Requirements for Multihomed BGP Networks
    Technical Requirements for Multihomed BGP Networks
    BGP Route Selection Without BGP Policies
    Multihomed Customer Routing Policies
    Influencing BGP Route Selection
    Transit Traffic Issue
    Routing Update Reliability Issue
    Return Traffic Issue
    Summary
    Lesson 2: Employing AS Path Filters
    AS Path Filtering Scenarios
    AS Path Regular Expressions
    String Matching
    Applying AS Path Filters
    Configuring BGP AS Path Filters
    Discovery 7: Configure Non-Transit Autonomous System
    Monitoring AS Path Filters
    Summary
    Lesson 3: Filtering with Prefix Lists
    Requirements for Prefix-Based Filters
    Prefix Lists vs. IP Access Lists
    Configuring Prefix Lists
    BGP Filters Implementation
    Implementing Prefix Lists in the BGP Process
    Discovery 8: Filtering Customer Prefixes
    Modifying Prefix Lists
    Monitoring Prefix Lists
    Summary
    Lesson 4: Using Outbound Route Filtering
    Outbound Route Filtering
    Inbound vs. Outbound Filtering Example
    BGP Prefix-Based Outbound Route Filtering
    Outbound Route Filter Message
    Configuring Outbound Route Filtering
    Using Outbound Route Filtering
    Discovery 9: Prefix-Based Outbound Route Filtering
    Summary
    Lesson 5: Applying Route Maps as BGP Filters
    Route Map Overview
    BGP Route-Map Policy List Support
    BGP Route Map Continue
    Prefix List Use in Route Maps
    BGP Filters
    Using Route Maps as BGP Filters
    Discovery 10: Configure Route Maps as BGP Filters
    Summary
    Lesson 6: Implementing Changes in BGP Policy
    Traditional Filtering Limitations
    BGP Soft Reset Enhancement
    Route Refresh
    Configuring Route Refresh
    Monitoring Route Refresh
    Summary
    Lesson 7: Module Summary
    References
    Lesson 8: Module Self-Check

    Module 4: Route Selection Using Attributes
    Lesson 1: Influencing BGP Route Selection with Weights
    BGP Route Selection Criteria
    Influencing BGP Route Selection
    Configuring Per-Neighbor Weights
    Discovery 11: Configure Per-Neighbor Weights
    Changing Weights with Route Maps
    BGP Route Selection and Filtering Tools Summary
    Summary
    Lesson 2: Setting BGP Local Preference
    Consistent Route Selection Within the AS
    BGP Local Preference
    Configuring Default Local Preference
    Monitoring Local Preference
    Discovery 12: Configure and Monitor Local Preference
    Configuring Local Preference with Route Maps
    Discovery 13: Configure Local Preference Using Route Maps
    Summary
    Lesson 3: Using AS Path Prepending
    Return Path Selection in a Multihomed AS
    AS Path Prepending
    AS Path Prepending Design Considerations
    Discovery 14: Configure AS Path Prepending
    BGP Hide Local-Autonomous System
    Summary
    Lesson 4: Understanding BGP Multi-Exit Discriminators
    Selecting the Proper Return Path
    MED Propagation in a BGP Network
    Changing MED
    Discovery 15: Configure MED
    Troubleshooting the MED
    Advanced MED Configuration
    Summary
    Lesson 5: Addressing BGP Communities
    Selecting the Proper Return Path
    BGP Communities Overview
    Using Communities
    Configuring BGP Communities
    Discovery 16: Configure Local Preference Using the Communities
    BGP Named Community Lists
    BGP Cost Community
    BGP Link Bandwidth Feature
    BGP Support for Sequenced Entries in Extended Community Lists
    Summary
    Lesson 6: Module Summary
    Lesson 7: Module Self-Check

    Module 5: Customer-to-Provider Connectivity with BGP
    Lesson 1: Understanding Customer-to-Provider Connectivity Requirements
    Customer-to-Provider Connectivity Types
    Customer Redundant Connectivity
    Customer-to-Provider Routing Schemes
    Customer Routing Schemes
    Customer Addressing Requirements
    Customer AS Number Allocation
    Summary
    Lesson 2: Implementing Customer Connectivity Using Static Routing
    When to Use Static Routing?
    Characteristics of Static Routing
    Designing Static Route Propagation in a Service Provider Network
    BGP Backup with Static Routes
    Floating Static Routes with BGP
    Load Sharing with Static Routes
    Summary
    Lesson 3: Connecting a Customer to a Single Service Provider
    BGP Configuration on Customer Routers
    Conditional BGP Advertising in Customer Networks
    BGP Configuration on Service Provider Routers
    Removing a Private AS Numbers
    BGP Support for Dual AS Configuration for Network AS Migrations
    Backup Solutions with BGP
    Load Sharing
    Load Sharing with BGP Multipath
    Load Sharing with EBGP Multihop
    Summary
    Lesson 4: Connecting a Multihomed Customer to Multiple Service Providers
    BGP Configuration for Multihomed Customers
    Multihomed Customer Address Space Selection
    Multihomed Customer AS Number Selection
    AS Number Translation
    Primary and Backup Link Selection
    BGP Incoming Link Selection
    Load Sharing with Multiple Providers
    Summary
    Lesson 5: Module Summary
    References
    Lesson 6: Module Self-Check

    Module 6: Scaling Service Provider Networks
    Lesson 1: Scaling IGP and BGP in Service Provider Networks
    Common Service Provider Network
    Route Propagation in Service Provider Networks
    Scaling Service Provider Routing Protocols
    Scaling Service Provider Addressing
    Summary
    Lesson 2: Introducing and Designing Route Reflectors
    IBGP Scalability Issues in a Transit AS
    Route Reflector Split-Horizon Rules
    Redundant Route Reflectors
    Route Reflector Clusters
    Additional Route Reflector Loop-Prevention Mechanisms
    Network Design with Route Reflectors
    Potential Network Issues
    Hierarchical Route Reflectors
    Summary
    Lesson 3: Configuring and Monitoring Route Reflectors
    Route Reflector Backbone Migration
    Configuring Route Reflectors
    Discovery 17: Configure Route Reflector
    Summary
    Lesson 4: Module Summary
    Lesson 5: Module Self-Check

    Module 7: Optimizing BGP Scalability
    Lesson 1: Improving BGP Convergence
    BGP Convergence
    BGP Processes
    CPU Effects of BGP Processes
    Improving BGP Convergence
    PMTU Discovery
    Increasing Input Queue Depth
    BGP Prefix Independent Convergence
    Bidirectional Forwarding Detection for BGP
    BGP Nonstop Forwarding Awareness
    BGP Scan Time
    BGP Advertisement Interval
    BGP Keepalive and Hold-Down Timers
    Summary
    Lesson 2: Limiting the Number of Prefixes Received from a BGP Neighbor
    BGP Route Limiting
    Configuring the BGP Route Limiting
    Discovery 18: Configure BGP Route Limiting
    Summary
    Lesson 3: Implementing BGP Peer Groups
    BGP Peer Groups Overview
    BGP Peer Groups as a Performance Tool
    BGP Peer Group Limitations
    Configuring BGP Peer Groups
    Discovery 19: Configure BGP Peer Groups
    BGP Peer Group Configuration Examples
    BGP Dynamic Update Peer Groups Feature
    BGP Peer Templates Overview
    BGP Peer Templates Inheritance
    BGP Peer Templates Configuration
    Summary
    Lesson 4: Using BGP Route Dampening
    BGP Route Dampening
    BGP Route Dampening Operation
    Configuring BGP Route Dampening
    Discovery 20: Configure BGP Route Dampening
    Summary
    Lesson 5: Module Summary
    References
    Lesson 6: Module Self-Check
    Lab Outline
    Challenge 1: Configure a Basic BGP Network
    Configuring a Basic BGP Network
    Challenge 2: Configure a BGP Transit AS
    Configure a Transit AS
    Challenge 3: Configure BGP Using BGP Filtering
    Configuring BGP Using BGP Filtering Techniques
    Challenge 4: Configure BGP Route Selection Using BGP Attributes
    Configuring BGP Route Selection Using BGP Attributes
    Challenge 5: Configure BGP Route Reflectors
    BGP v4.0 Page 11/12 www.skyline-ats.com
    Configuring BGP on Cisco Routers
    Configuring Route Reflectors
    BGP v4.0

    Price Includes International Curriculum Courseware And Very Active Real-Time Labs.


    2 Hours Daily 3 Times a Week

    Total Duration 6 Weeks

    • Model: BGP v4.0 - Configuring BGP on Cisco® Routers
    • Manufacturer:Cisco

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