Cisco® Configuring BGP on Cisco® Routers v4.0

This course 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.

Who should attend

• Employee 
• Customer 
• Channel Partners/Resellers

Course objectives:
After completing this course the student should be able to:

• Configure, monitor and troubleshoot basic BGP to enable interdomain routing. 
• Use BGP policy controls to influence the route selection process with minimal impact on BGP route processing
• Use BGP attributes to influence the route selection process
• Identify common BGP scaling issues and enable route reflection and confederations as possible solutions to these issues
• Use available BGP tools and features to optimize the scalability of the BGP routing protocol

Technical Features of the Course include the following:

• BGP
• Transit AS
• AS-Path
• Route Reflectors
• BGP Scalability

Pre-requisites:

• Cisco® Interconnecting Cisco® Networking Devices Part 1 v3.0 (ICND1)
• Cisco® Interconnecting Cisco® Networking Devices Part 2 v3.0 (ICND2)
• Cisco® Interconnecting Cisco® Networking Devices Accelerated v3.0 (CCNAX)
• Cisco® Building Cisco® Service Provider Next-Generation Networks, Part 1 v1.01 (SPNGN1)
• Cisco® Building Cisco® Service Provider Next-Generation Networks, Part 2 v1.01 (SPNGN2)
• Cisco® Implementing Cisco® IP Routing v2.0 (ROUTE)

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

Course Outline

1 - BGP OVERVIEW

• Introducing BGP
• Understanding BGP Path Attributes
• Establishing BGP Sessions
• Processing BGP Routes
• Configuring Basic BGP
• Monitoring and Troubleshooting BGP
• Lab 1-1: Initial Lab Setup
• Lab 1-2: Configuring Basic BGP

2 - BGP TRANSIT AUTONOMOUS SYSTEMS

• Working with a Transit AS
• Interacting with IBGP and EBGP in a Transit AS
• Forwarding Packets in a Transit AS
• Configuring a Transit AS
• Monitoring and Troubleshooting IBGP in a Transit AS
• Lab 2-1: Configuring a Transit AS

3 - ROUTE SELECTION USING POLICY CONTROLS

• Using Multihomed BGP Networks
• Employing AS-Path Filters
• Filtering with Prefix-Lists
• Using Outbound Route Filtering
• Applying Route-Maps as BGP Filters
• Implementing Changes in BGP Policy
• Lab 3-1: Using Multihomed BGP Networks
• Lab 3-2: Employing AS-Path Filters
• Lab 3-3: Filtering with Prefix-Lists
• Lab 3-4: Implementing Changes in BGP Policy

4 - ROUTE SELECTION USING ATTRIBUTES

• Influencing BGP Route Selection with Weights
• Setting BGP Local Preference
• Using AS-Path Prepending
• Understanding BGP Multi-Exit Discriminators
• Addressing BGP Communities
• Lab 4-1: Influencing BGP Route Selection with Weights
• Lab 4-2: Setting BGP Local Preference
• Lab 4-3: Understanding BGP Multi-Exit Discriminators
• Lab 4-4: Addressing BGP Communities

5 - CUSTOMER-TO-PROVIDER CONNECTIVITY WITH BGP

• Understanding Customer-to-Provider Connectivity Requirements
• Implementing Customer Connectivity Using Static Routing
• Connecting a Multihomed Customer to a Single Service Provider
• Connecting a Multihomed Customer to Multiple Service Providers

6 - SCALING SERVICE PROVIDER NETWORKS

• Scaling IGP and BGP in Service Provider Networks
• Introducing Route Reflectors
• Designing Networks with Route Reflectors
• Configuring and Monitoring Route Reflectors
• Introducing Confederations
• Configuring and Monitoring Confederations
• Lab 6-1: Introducing Route Reflectors
• Lab 6-2: Configuring and Monitoring Confederations

7 - OPTIMIZING BGP SCALABILITY

• Improving BGP Convergence
• Limiting the Number of Prefixes Received from a BGP Neighbor
• Implementing BGP Peer Groups
• Using BGP Route Dampening
• Lab 7-1: Limiting the Number of Prefixes Received from a BGP Neighbor
• Lab 7-2: Implementing BGP Peer Groups
• Lab 7-3: Using BGP Route Dampening