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BGP Troubleshooting LiveLessons

Video Description

More than 10 hours of video training covering all aspects of troubleshooting BGP.


BGP Troubleshooting LiveLessons provides complete coverage of the techniques you need to troubleshoot key BGP issues for all these Cisco operating systems: Cisco IOS, IOS XR, and NxOS. This title covers updated BGP design implementations found in blended service providers and enterprise environments and shows exactly how to troubleshoot them.


There are 8 modules with 20 lessons equaling more than 10 hours of video training in BGP Troubleshooting LiveLessons. Coverage includes:

  • Troubleshooting BGP Peering Issues

  • Troubleshooting Platform Issues Caused by BGP

  • Troubleshooting BGP Routing Policies

  • Troubleshooting BGP Convergence

  • BGP Multi-Homing and Multipath

  • Scaling BGP

  • Securing BGP

  • BGP High Availability


Skill Level

  • Intermediate

What You Will Learn

  • Topical, up to date information for BGP Troubleshooting

  • The ins and outs of troubleshooting on Cisco IOS, IOS XR, and NxOS

Who Should Take This Course

Network Engineers, Network Operations, Technical Support Engineers, Consultants, IP Infrastructure Engineers, Cisco Channel Partners


The target audience is for intermediate to advanced network engineers that support BGP IOS, IOS XR, or NxOS-based platforms and have to troubleshoot complex BGP-related routing issues in their network. Networking experts will find the proposed book as an expert troubleshooting guide that could be used as a reference source during major outage situations.

Course Requirements

Knowledge and understanding of BGP and its attributes


Table of Contents

 

Module 1: Troubleshooting BGP Peering Issues


Lesson 1: Troubleshooting BGP Peering Down

1.1: Verifying Configurations

1.2: Verifying Reachability

1.3: BGP Authentication

1.4: Verifying ACLs

1.5: Verifying TCP Sessions

1.6: Decoding BGP Messages

1.7: Troubleshooting Blocked Processes in IOS XR

 

Lesson 2: Troubleshooting Flapping BGP Peers

2.1: Understanding BGP Flapping States

2.2: Understanding BGP Notifications

2.3: Troubleshooting MTU Mismatch Issues

2.4: Troubleshooting High CPU Causing BGP Flaps

2.5: Troubleshooting Interface Queue Drops

2.6: Troubleshooting Control Plane Policing


Lesson 3: Dynamic BGP Peering

3.1: Dynamic BGP Peering Overview

3.2: Dynamic BGP Peering Configuration

3.3: Verifying Dynamic BGP Peers

3.4: Challenges with Dynamic BGP Peering


Module 2: Troubleshooting Platform Issues Caused by BGP

Lesson 4: High CPU Caused by BGP

4.1: BGP Process in IOS

4.2: High CPU Caused by BGP Scanner

4.3: High CPU Caused by BGP Router

4.4: Troubleshooting Flapping Routes

4.5: Understanding BGP Table Version

4.6: BGP Processes in IOS XR

4.7: BGP Processes in NX-OS


Lesson 5: Troubleshooting BGP Process on IOS XR

5.1: IOS XR Thread States

5.2: Verifying BGP Process State and Threads

5.3: Troubleshooting Blocked Processes


Lesson 6: Troubleshooting Memory Issues Caused by BGP

6.1: Understanding Memory Requirements

6.2: Memory Leaks versus High Memory

6.3: Troubleshooting Memory Leaks in Cisco IOS

6.4: Troubleshooting Memory Leaks in IOS XR

Module 3: Troubleshooting BGP Routing Policies


Lesson 7: Troubleshooting BGP Path Selection

7.1: BGP Best Path Selection Algorithm

7.2: Troubleshooting BGP Best Path Selection

7.3: Impact of Network Events


Lesson 8: BGP Route Policy

8.1: Understanding BGP Route-Maps

8.2: Understanding RPL in IOS XR

8.3: Understanding RPM in NX-OS


Lesson 9: Troubleshooting Missing BGP Routes

9.1: Missing Routes with Communities

9.2: Troubleshooting BGP Route Policies

9.3: Troubleshooting Filtering

9.4: Troubleshooting with BGP Event History (NX-OS)


Module 4: Troubleshooting BGP Convergence


Lesson 10: Understanding BGP Convergence

10.1: Understanding what Convergence Means

10.2: Factors Leading to Slow BGP Convergence


Lesson 11: Understanding BGP Update Generation

11.1: Understanding the Update Generation Process in Cisco IOS

11.2: Understanding the Update Generation Process in IOS XR

11.3: Understanding the Update Generation Process in NX- OS


Lesson 12: Troubleshooting BGP Convergence

12.1: Troubleshooting with BGP Next-Hop Tracking

12.2: Verifying InQ /OutQ

12.3: Verifying BGP Replication in Cisco IOS

12.4: Troubleshooting Convergence in IOS XR

12.5: Troubleshooting Convergence in NX-OS


Lesson 13: BGP Slow Peer

13.1: Identifying BGP Slow Peer

13.2: Mitigation Using Traditional Method

13.3: Mitigation Using Slow Peer CLI

Module 5: BGP Multi-Homing and Multipath

Lesson 14: BGP Multi-Homing

14.1: Multi-Homing with Internet Providers

14.2: Different Multi-Homing Topologies

14.3: BGP Load Balancing

Lesson 15: BGP Multipath

15.1: Understanding iBGP Multipath

15.2: Understanding eBGP Multipath

15.3: Understanding eiBGP Multipath


Module 6: Scaling BGP

Lesson 16: Scaling BGP Functions

16.1: ORF Overview

16.2: Understanding Path MTU Discovery

16.3: Implementing Maximum Prefixes

16.4: Implementing Maximum AS

16.5: Tuning BGP Memory

16.6: Tuning BGP CPU


Lesson 17: Scaling BGP with Route Reflectors

17.1: Understanding BGP Route-Reflector Clusters

17.2: Understanding Hierarchical Route-Reflectors

17.3: Understanding Partitioned Route-Reflectors

17.4: Understanding Virtual Route-Reflectors


Module 7: Securing BGP


Lesson 18: Securing BGP Connections

18.1: Implementing MD5 Authentication

18.2: Implementing EBGP Multi-Hop

18.3: Implementing TTL Security

18.4: Securing BGP Traffic using IPSec Tunnels

18.5: BGP Peering over IPv6 Link-Local Address


Lesson 19: Securing Inter-Domain Routing

19.1: Understanding Prefix Hijacking

19.2: Understanding RPKI

19.3: Configuring RPKI

19.4: Verifying Prefixes

19.5: Influencing BGP Best-Path Calculation with RPKI


Lesson 20: Preventing BGP DDOS Attacks

20.1: Understanding DDOS Attacks

20.2: Understanding BGP RTBH

20.3: Understanding BGP Flowspec

20.4: Configuring BGP Flowspec

20.5: Verifying Flows


Module 8: BGP High Availability

Lesson 21: BGP High Availability

21.1: Understanding Graceful Restart

21.2: Understanding NSF

21.3: Understanding BFD

21.4: Understanding Fast External Failover

21.5: Understanding Route Dampening

About the Complete Video Course series

Complete Video Courses are Pearson’s flagship video learning solution. Designed specifically for IT pros, developers, sys admins, network engineers, and certification candidates, Complete Video Courses feature the highest quality video learning and interactive courseware led by the industry’s most respected author trainers. Complete Video Courses combine A-to-Z topical coverage with hands-on exercises and interactive assessments so you can master new skills and test your knowledge. This is ideal for certification exam prep and learning new technologies from the ground up. Exercises include dynamic hands-on simulations, real-world CLI demos, content exercises that help you truly learn the topics in each module, and interactive practice questions designed to test your knowledge while you study. Complete Video Courses are easy-to-follow, step-by-step, streaming video labs that allow you to train from anywhere on any device. Your purchase provides you with lifetime online access to the content.


Table of Contents

  1. Introduction
    1. BGP Troubleshooting LiveLessons: Introduction 00:01:38
  2. Module 1: Troubleshooting BGP Peering Issues
    1. Module Intro 00:00:32
  3. Lesson 1: Troubleshooting BGP Peering Down
    1. 1.0 Learning objectives 00:00:50
    2. 1.1 Verifying Configurations 00:07:51
    3. 1.2 Verifying Reachability 00:02:00
    4. 1.3 BGP Authentication 00:04:53
    5. 1.4 Verifying ACL’s 00:03:45
    6. 1.5 Verifying TCP Sessions 00:03:49
    7. 1.6 Decoding BGP Messages 00:06:04
    8. 1.7 Troubleshooting Blocked Processes in IOS XR 00:02:24
  4. Lesson 2: Troubleshooting Flapping BGP Peers
    1. 2.0 Learning objectives 00:00:48
    2. 2.1 Understanding BGP Flapping States 00:05:29
    3. 2.2 Understanding BGP Notifications 00:02:48
    4. 2.3 Troubleshooting MTU Mismatch Issues 00:06:56
    5. 2.4 Troubleshooting High CPU Causing BGP Flaps 00:05:09
    6. 2.5 Troubleshooting Interface Queue Drops 00:04:57
    7. 2.6 Troubleshooting Control Plane Policing 00:03:09
  5. Lesson 3: Dynamic BGP Peering
    1. 3.0 Learning objectives 00:00:30
    2. 3.1 Dynamic BGP Peering Overview 00:02:49
    3. 3.2 Dynamic BGP Peering Configuration 00:08:43
    4. 3.3 Verifying Dynamic BGP Peers 00:03:09
    5. 3.4 Challenges with Dynamic BGP Peering 00:03:12
  6. Module 2: Troubleshooting Platform Issues Caused by BGP
    1. Module Intro 00:00:56
  7. Lesson 4: High CPU Caused by BGP
    1. 4.0 Learning objectives 00:00:51
    2. 4.1 BGP Process in IOS 00:04:07
    3. 4.2 High CPU Caused by BGP Scanner 00:03:41
    4. 4.3 High CPU Caused by BGP Router 00:01:16
    5. 4.4 Troubleshooting Flapping Routes 00:04:39
    6. 4.5 Understanding BGP Table Version 00:05:04
    7. 4.6 BGP Processes in IOS XR 00:07:00
    8. 4.7 BGP Processes in NX-OS 00:04:14
  8. Lesson 5: Troubleshooting BGP Process on IOS XR
    1. 5.0 Learning objectives 00:00:34
    2. 5.1 IOS XR Thread States 00:02:32
    3. 5.2 Verifying BGP Process State and Threads 00:03:15
    4. 5.3 Troubleshooting Blocked Processes 00:05:50
  9. Lesson 6: Troubleshooting Memory Issues Caused by BGP
    1. 6.0 Learning objectives 00:00:40
    2. 6.1 Understanding Memory Requirements 00:03:45
    3. 6.2 Memory Leaks vs. High Memory 00:03:02
    4. 6.3 Troubleshooting Memory Leaks in Cisco IOS 00:04:54
    5. 6.4 Troubleshooting Memory Leaks in IOS XR 00:04:41
  10. Module 3: Troubleshooting BGP Routing Policies
    1. Module Intro 00:00:56
  11. Lesson 7: Troubleshooting BGP Path Selection
    1. 7.0 Learning objectives 00:00:46
    2. 7.1 BGP Best Path Selection Algorithm 00:09:42
    3. 7.2 Troubleshooting BGP Best Path Selection 00:15:53
    4. 7.3 Impact of Network Events 00:02:05
  12. Lesson 8: BGP Route Policy
    1. 8.0 Learning objectives 00:00:40
    2. 8.1 Understanding BGP Route-Maps 00:10:56
    3. 8.2 Understanding RPL in IOS XR 00:11:20
    4. 8.3 Understanding RPM in NX-OS 00:03:15
  13. Lesson 9: Troubleshooting Missing BGP Routes
    1. 9.0 Learning objectives 00:01:01
    2. 9.1 Missing Routes with Communities 00:04:46
    3. 9.2 Troubleshooting BGP Route Policies 00:16:10
    4. 9.3 Troubleshooting Filtering 00:05:10
    5. 9.4 Troubleshooting with BGP Event History (NX-OS) 00:05:05
  14. Module 4: Troubleshooting BGP Convergence
    1. Module Intro 00:01:04
  15. Lesson 10: Understanding BGP Convergence
    1. 10.0 Learning objectives 00:00:29
    2. 10.1 Understanding what Convergence Means 00:02:42
    3. 10.2 Factors Leading to Slow BGP Convergence 00:03:56
  16. Lesson 11: Understanding BGP Update Generation
    1. 11.0 Learning objectives 00:00:41
    2. 11.1 Understanding the Update Generation Process in Cisco IOS 00:06:21
    3. 11.2 Understanding the Update Generation Process in IOS XR 00:03:56
    4. 11.3 Understanding the Update Generation Process in NX-OS 00:02:31
  17. Lesson 12: Troubleshooting BGP Convergence
    1. 12.0 Learning objectives 00:00:45
    2. 12.1 Troubleshooting with BGP Next-Hop Tracking 00:05:12
    3. 12.2 Verifying InQ / OutQ 00:02:35
    4. 12.3 Verifying BGP Replication in Cisco IOS 00:02:07
    5. 12.4 Troubleshooting Convergence in IOS XR 00:04:41
    6. 12.5 Troubleshooting Convergence in NX-OS 00:04:05
  18. Lesson 13: BGP Slow Peer
    1. 13.0 Learning objectives 00:00:36
    2. 13.1 Identifying BGP Slow Peer 00:05:38
    3. 13.2 Mitigation using Traditional Method 00:03:34
    4. 13.3 Mitigation using Slow Peer CLI 00:04:50
  19. Module 5: BGP Multi-Homing and Multipath
    1. Module Intro 00:00:48
  20. Lesson 14: BGP Multi-Homing
    1. 14.0 Learning objectives 00:00:36
    2. 14.1 Multi-Homing with Internet Providers 00:02:04
    3. 14.2 Different Multi-Homing Topologies 00:02:04
    4. 14.3 BGP Load Balancing 00:02:16
  21. Lesson 15: BGP Multipath
    1. 15.0 Learning objectives 00:00:37
    2. 15.1 Understanding iBGP Multipath 00:05:49
    3. 15.2 Understanding eBGP Multipath 00:08:49
    4. 15.3 Understanding eiBGP Multipath 00:07:26
  22. Module 6: Scaling BGP
    1. Module Intro 00:00:51
  23. Lesson 16: Scaling BGP Functions
    1. 16.0 Learning objectives 00:00:46
    2. 16.1 ORF Overview 00:13:22
    3. 16.2 Understanding Path MTU Discovery 00:04:23
    4. 16.3 Implementing Maximum Prefixes 00:04:09
    5. 16.4 Implementing Maximum AS 00:03:28
    6. 16.5 Tuning BGP Memory 00:03:53
    7. 16.6 Tuning BGP CPU 00:14:36
  24. Lesson 17: Scaling BGP with Route Reflectors
    1. 17.0 Learning objectives 00:00:39
    2. 17.1 Understanding BGP Route-Reflector Clusters 00:10:06
    3. 17.2 Understanding Hierarchical Route-Reflectors 00:02:01
    4. 17.3 Understanding Partitioned Route-Reflectors 00:06:57
    5. 17.4 Understanding Virtual Route-Reflectors 00:04:30
  25. Module 7: Securing BGP
    1. Module Intro 00:00:54
  26. Lesson 18: Securing BGP Connections
    1. 18.0 Learning objectives 00:00:49
    2. 18.1 Implementing MD5 Authentication 00:04:26
    3. 18.2 Implementing EBGP Multi-Hop 00:01:34
    4. 18.3 Implementing TTL Security 00:06:02
    5. 18.4 Securing BGP Traffic using IPSec Tunnels 00:01:08
    6. 18.5 BGP Peering over IPv6 Link-Local Address 00:03:02
  27. Lesson 19: Securing Inter-Domain Routing
    1. 19.0 Learning objectives 00:01:02
    2. 19.1 Understanding Prefix Hijacking 00:03:04
    3. 19.2 Understanding RPKI 00:07:34
    4. 19.3 Configuring RPKI 00:02:34
    5. 19.4 Verifying Prefixes 00:02:23
    6. 19.5 Influencing BGP Best-Path Calculation with RPKI 00:08:22
  28. Lesson 20: Preventing BGP DDOS Attacks
    1. 20.0 Learning objectives 00:00:42
    2. 20.1 Understanding DDOS Attacks 00:02:10
    3. 20.2 Understanding BGP RTBH 00:03:43
    4. 20.3 Understanding BGP Flowspec 00:03:53
    5. 20.4 Configuring BGP Flowspec 00:03:47
    6. 20.5 Verifying Flows 00:05:32
  29. Module 8: BGP High Availability
    1. Module Intro 00:00:41
  30. Lesson 21: BGP High Availability
    1. 21.0 Learning objectives 00:00:42
    2. 21.1 Understanding Graceful Restart 00:05:06
    3. 21.2 Understanding NSF 00:05:44
    4. 21.3 Understanding BFD 00:06:55
    5. 21.4 Understanding Fast External Failover 00:01:46
    6. 21.5 Understanding Route Dampening 00:03:43
  31. Summary
    1. BGP Troubleshooting LiveLessons: Summary 00:01:04