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Mastering BGP in Depth on Cisco Routers

sikandar Shaik and Shaik Gouse Moinuddin

Border Gateway Protocol (BGP) is the routing technology that enables the largest and most sophisticated network in the world today - the Internet.

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Border Gateway Protocol (BGP) is the routing technology that enables the largest and most sophisticated network in the world today - the Internet.

BGP is also one of the critical underlying foundations of new-world technologies such as Multiprotocol Label Switching (MPLS).

trained by expert dual CCIE certified with 10 + years of training and working experience in production networks.

This must-have advanced routing course 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.

Upon successful completion of this course, students will be prepared to design and implement efficient, optimal, and trouble free BGP networks.

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What's inside

Learning objectives

  • the course goal is to provide learners with in-depth knowledge of bgp
  • Configure, monitor, and troubleshoot basic bgp to enable interdomain routing in a network scenario with multiple domains
  • Use bgp policy controls to influence the route selection process
  • Use bgp attributes to influence the route selection process
  • implement the correct bgp configuration to successfully connect the customer network to the internet in a network scenario where you must support multiple connections „
  • „ identify common bgp scaling issues and enableroute reflection and confederations as possible solutions to these issues in a typical service provider network with multiple bgp connections to other autonomous systems „
  • „ use available bgp tools and features to optimize the scalability of the bgp routing protocol in a typical bgp network

Syllabus

BGP Basics
Introduction to BGP
BGP options on Internet
Understanding BGP neighbors
Read more
Internal BGP Neighbors
LAB : Basic IBGP Neighbors
LAB: IBGP neighbors using Loopbacks
LAB : BGP Authentication
using PeerGroups
Route Reflectors
External BGP neighbors
LAB : Basic EBGP Configuration
Understanding Next-hop-Self
EBGP using Loopbacks ( EBGP Multil-hop)
Understanding BGP Synchronization Rule
BGP Attributes
BGP Attributes : AS-Path , Next Hop, Origin
Influencing BGP Route Selection using Weight & Local Preference
BGP Attributes : Weight & Local Preference
LAB : Weight Attribute
LAB : Weight Attribute using Routemaps
Understanding IN OUT
LAB : Local Preference Attribute
LAB : Local Preference Attribute using Routemaps
Clearing the BGP Session
BGP Route Selection Criteria
Influencing BGP Route Selection Using AS-path Preprend & MED
Using AS-Path Prepending
Understanding Multi Exit Discriminator
LAB : Changing the MED with Route-Maps
BGP Summarization
BGP basic Summarization
Aggregation using AS-SET example-1
Aggregation using AS-SET example -2
Supress-maps
Un-Supressmap
BGP Communities
BGP Communities Introduction
BGP Community types
LAB : Well Known Communities
LAB: Defining own BGP communities
Route Filtering in BGP
BGP Route Filltering
BGP Route Filltering using Access-lists
BGP Route Filltering using IP prefix-lists
BGP Route Filltering using Route-maps
AS-Path Filters
BGP Regular expressions
AS-Path Filters Part 1
AS-Path Filters Part 2
BGP Advance Options
BGP Dampening
LAB : BGP Dampening
BGP Confederations
LAB : BGP Confederations
Route Reflector Clusters
Removing Private AS
BGP neighbor Local-as 1
BGP neighbor Local-AS 2
BGP for IPV6 Networks
IPV6 BGP Introduction
Basic IPV6 IBGP And EBGP Configurations
IPV6 IBGP Advance Configurations
IPV6 EBGP Advance Configurations
IPV6 EBGP Advance Configurations (using local preference)

Good to know

Know what's good
, what to watch for
, and possible dealbreakers
Taught by expert dual CCIE certified with 10 + years of training and working experience in production networks
Develops strong foundational and intermediate skills in BGP
Teaches BGP techniques to enable efficient routing of diverse customer traffic
Examines scaling issues in typical BGP networks and potential solutions such as route reflection and confederations

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Activities

Be better prepared before your course. Deepen your understanding during and after it. Supplement your coursework and achieve mastery of the topics covered in Mastering BGP in Depth on Cisco Routers with these activities:
BGP Configuration Exercises
Reinforce your understanding of BGP configuration by completing a series of exercises that simulate real-world scenarios.
Show steps
  • Set up a network topology with multiple routers and configure basic BGP settings.
  • Configure BGP peering between the routers and verify connectivity.
  • Implement BGP route filtering using access lists and route maps.
  • Troubleshoot common BGP issues such as neighbor flap and route advertisement problems.
Discuss BGP Route Optimization Strategies
Engage with peers to exchange knowledge and explore strategies for optimizing BGP route scalability and troubleshooting.
Show steps
  • Join a study group or online forum dedicated to BGP.
  • Participate in discussions on BGP optimization techniques, such as route reflection and confederations.
  • Share your own experiences and insights with others.
  • Optional: Work together on a BGP optimization project.
BGP Route Advertisement Analysis
Deepen your understanding of BGP route selection by creating a tool or script that analyzes and visualizes the routing decisions made by BGP.
Show steps
  • Identify the different attributes used by BGP for route selection, such as weight, local preference, and AS path.
  • Develop a tool or script that can extract BGP routing information from a network and analyze the attributes of the advertised routes.
  • Use the tool to analyze BGP routing tables and identify the factors that influence route selection.
One other activity
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BGP Advanced Troubleshooting
Enhance your troubleshooting skills by following guided tutorials that cover advanced BGP issues and provide step-by-step solutions.
Show steps
  • Identify and troubleshoot issues related to BGP scaling, such as route flapping and memory leaks.
  • Configure and troubleshoot BGP confederations and route reflectors.
  • Implement and troubleshoot BGP route dampening to mitigate the impact of route flapping.

Career center

Learners who complete Mastering BGP in Depth on Cisco Routers will develop knowledge and skills that may be useful to these careers:

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