Configuring Border Gateway Protocol on Cisco Routers (BGP)

1 800 U Learn (853 276)

DDLS - Configuring Border Gateway Protocol on Cisco Routers (BGP)

Length

5 days

Price

$6050.00 inc GST

Version

4.0

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Overview

This course provides students with in-depth knowledge of BGP, the routing protocol that is one of the underlying 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 students with the skills needed 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 students to design and implement efficient, optimal and trouble free BGP networks.

Key Topics

Detailed Info

BGP Overview
BGP Transit Autonomous Systems
Route Selection Using Policy Controls
Route Selection Using Attributes
Customer-to-Provider Connectivity with BGP
Scaling Service Provider Networks
Optimizing BGP Scalability

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Skills Gained

Key Topics

Target Audiences

Prerequisites

Skills Gained

Upon completion of the course, students should be able to:

Configure, monitor, and troubleshoot basic BGP to enable inter-domain routing in a network scenario with multiple domains
Use BGP policy controls to influence the route selection process with minimal impact on BGP route processing in a network scenario where you must support connections to multiple ISPs
Use BGP attributes to influence the route selection process in a network scenario where you must support multiple connections
Implement the correct BGP configuration to successfully connect the customer network to the Internet in a network scenario where you must support multiple connections
Enable the provider network to behave as a transit autonomous system in a typical service provider network with multiple BGP connections to other autonomous systems
Identify common BGP scaling issues and enable route reflection and confederations as possible solutions to these issues in a typical service provider network with multiple BGP connections to other autonomous systems

Key Topics

1. BGP Overview

Session Establishment
Path Attributes
Route Processing
Basic Configuration
Monitoring and Troubleshooting

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

3. Route Selection Using Policy Controls

Multihomed BGP Networks
Employing AS Path Filters
Filtering with Prefix Lists
Outbound Route Filtering
Applying Route Maps as BGP Filters
Implementing Changes in BGP Policy

4. Route Selection Using Attributes

BGP Route Selection with Weights
BGP Local Preference
AS-Path Prepending
BGP Multi-Exit Discriminator (MED)
Addressing BGP Communities

5. Customer-to-Provider Connectivity with BGP

Customer-to-Provider Connectivity Requirements
Implementing Customer Connectivity Using Static Routes
Connecting a Multihomed Customer to Single or Multiple Service Providers

6. Scaling Service Provider Networks

Scaling IGP and BGP in Service Provider Networks
Designing Networks and Route Reflectors
Configuring and Monitoring Route Reflectors
Configuring and Monitoring Confederations

7. Optimizing BGP Scalability

Improving BGP Convergence
Limiting the Number of Prefixes Received from a BGP Neighbour
Implementing BGP Peer Groups
BGP Route Dampening

Labs

Lab 1: Configuring basic BGP

Create BGP peerings
Advertise networks into BGP
Redistribute your IGP into BGP
Examine the effects of BGP auto-summarization
Summarize routes to your neighbour
Implement BGP TTL Security
Implement BGP Authentication

Lab 2: Configuring IBGP Peerings

Configure an IBGP peering with another edge router
Peering with loopback interfaces
Examine effect of BGP synchronization
Discover BGP next-hop behaviour
Examine the effects of multihoming on path selection

Lab 3: Using AS-Path Filters and Regular Expressions

Filter updates to external routers
Manipulate path selection using AS-path filters and regular expressions

Lab 4: Using Prefix Lists

Filter advertised AS routes using prefix lists
Implement Outbound Route Filtering

Lab 5: Configure Route Maps for BGP Filtering

Configure a route map as a BGP filter

Lab 6: Configuring the Weight Attribute

Configure a second BGP peering for each router
Set a weight value for routes received from each EBGP neighbour
Monitor the resulting path choice

Lab 7: Configuring the Local Preference Attribute

Use the Local Preference attribute to control BGP path selection

Lab 8: AS-Path Prepending

Configure AS-Path Prepending to make one path into your AS look more attractive than the other

Lab 9: Configuring the Multi-Exit Discriminator (MED) Attribute

Use the MED attribute to influence the BGP path selection by routers in neighbouring systems

Lab 10: Using the Community Attribute

Configure the community attribute in setting local preference BGP policies

Lab 11: Using Route Reflectors

Configure a hierarchical route reflector structure
Examine the effects of route reflectors on routing updates

Lab 12: Monitoring and Tuning BGP Resource Use

Examine the effects of BGP session establishment and route updates on router resources

Target Audiences

Internet service providers
Networking professionals who need to connect to ISPs
CCIP and CCIE certification candidates

We can also deliver and customise this training course for larger groups – saving your organisation time, money and resources. For more information, please contact us on 1800 853 276.

Prerequisites

Completion of Interconnecting Cisco Networking Devices (ICND1) or Cisco Certified Networking Associate (CCNA)
Completion of Building Scalable Cisco Internetworks (BSCI) or equivalent

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