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BGP Troubleshooting LiveLessons

By Vinit Jain
Published Dec 8, 2016 by Cisco Press. Part of the LiveLessons series.

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Copyright 2017
Edition: 1st

Online Video
ISBN-10: 0-13-458287-X
ISBN-13: 978-0-13-458287-0

Description

Sample Content

Updates

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

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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
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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

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