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Implementing BGP in a Service Provider Network

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Implementing BGP in a Service Provider Network

Dieser Kurs ist Teil von Spezialisierung „Configuring BGP on Cisco Routers“

Dozent: Cisco Learning & Certifications

Bei enthalten

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5 Module

Verschaffen Sie sich einen Einblick in ein Thema und lernen Sie die Grundlagen.

Stufe Anfänger

Keine Vorkenntnisse erforderlich

9 Stunden zu vervollständigen

Flexibler Zeitplan

In Ihrem eigenen Lerntempo lernen

5 Module

Verschaffen Sie sich einen Einblick in ein Thema und lernen Sie die Grundlagen.

Stufe Anfänger

Keine Vorkenntnisse erforderlich

9 Stunden zu vervollständigen

Flexibler Zeitplan

In Ihrem eigenen Lerntempo lernen

Kompetenzen, die Sie erwerben

Kategorie: Network Planning And Design
Kategorie: Network Monitoring

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Dieser Kurs ist Teil der Spezialisierung Spezialisierung „Configuring BGP on Cisco Routers“

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In diesem Kurs gibt es 5 Module

Unlock the complex world of internet routing with this specialized course on transit autonomous systems (AS). Designed for network engineers and IT professionals, you’ll explore how a transit AS operates as the backbone for global data exchange, efficiently routing traffic that originates from or is destined for locations outside its own network. Through engaging modules, learn how BGP (Border Gateway Protocol) interacts and coordinates with internal routing protocols (IGPs) to maintain consistent and reliable network connectivity.

What sets this course apart is its in-depth focus on the unique challenges of configuring and troubleshooting a multihomed transit AS. You’ll discover the intricacies of IBGP and EBGP interaction, the importance of recursive route lookups, and the use of IBGP monitoring and troubleshooting commands to solve real-world network issues. By completing this course, you’ll gain practical skills to design, maintain, and troubleshoot transit AS environments, making you an asset for any organization managing complex interconnections across the Internet. Join and advance your expertise where robust routing meets practical problem-solving—empowering you to support the backbone of modern digital communication.

Moduldetails

Das ist alles enthalten

2 Lektüren

All transit autonomous systems are required to carry traffic originating from or destined for locations outside of that AS. For the transit AS to meet this requirement, there has to be interaction and coordination between BGP and the IGP that this particular AS uses. Such a configuration requires special care to ensure consistency of routing information throughout the AS. The topology of the Internet can be viewed as a series of connections among stub networks, multihomed networks, and transit autonomous systems. A transit AS is a multihomed AS that contains more than one connection to the outside world and that allows traffic not originating in that AS to travel through it. This course introduces the concept of the multihomed transit AS and how BGP exchanges routing information inside the AS and between neighboring autonomous systems. It also explains the requirement for IBGP within the multihomed transit AS.

Das ist alles enthalten

5 Videos6 Lektüren7 Aufgaben

5 VideosInsgesamt 9 Minuten

Introduction video for Working with a Transit AS1 Minute
Transit AS Tasks1 Minute
External Route Propagation2 Minuten
Packet Forwarding in an AS2 Minuten
Core Router IBGP Requirements in a Transit AS2 Minuten

6 LektürenInsgesamt 27 Minuten

Transit AS Tasks5 Minuten
External Route Propagation4 Minuten
Internal Route Propagation4 Minuten
Packet Forwarding in an AS5 Minuten
Core Router IBGP Requirements in a Transit AS6 Minuten
Summary - Working with a Transit AS3 Minuten

7 AufgabenInsgesamt 77 Minuten

Knowledge Check4 Minuten
Knowledge Check - External Route Propagation6 Minuten
Knowledge Check - Internal Route Propagation3 Minuten
Knowledge Check - Packet Forwarding in an AS3 Minuten
Knowledge Check - Core Router IBGP Requirements in a Transit AS6 Minuten
Describe the functions of a transit AS30 Minuten
Working with a Transit AS Course Exam25 Minuten

Configuring a BGP network in a transit services configuration requires special care to ensure consistency of routing information throughout the AS. Understanding the interaction between EBGP and IBGP is crucial to successfully configuring and troubleshooting the transit AS.

Das ist alles enthalten

10 Videos10 Lektüren10 Aufgaben1 peer review

10 VideosInsgesamt 23 Minuten

Introduction Video for Interacting with IBGP and EBGP in a Transit AS1 Minute
AS Path Processing in IBGP2 Minuten
Multipath Load Sharing in BGP2 Minuten
BGP Split Horizon2 Minuten
IBGP Full Mesh3 Minuten
IBGP Neighbours2 Minuten
IBGP Next-Hop Processing3 Minuten
Transit Network Using Edge Routers as Next Hops Example2 Minuten
Differences Between EBGP and IBGP Sessions3 Minuten
Scalability Limitations of IBGP-Based Transit Backbones2 Minuten

10 LektürenInsgesamt 55 Minuten

AS Path Processing in IBGP5 Minuten
Multipath Load Sharing in BGP7 Minuten
BGP Split Horizon5 Minuten
IBGP Full Mesh7 Minuten
IBGP Neighbours7 Minuten
IBGP Next-Hop Processing6 Minuten
Transit Network Using Edge Routers as Next Hops Example5 Minuten
Differences Between EBGP and IBGP Sessions6 Minuten
Scalability Limitations of IBGP-Based Transit Backbones4 Minuten
Summary 3 Minuten

10 AufgabenInsgesamt 80 Minuten

Knowledge Check - AS Path Processing in IBGP6 Minuten
Knowledge Check - Multipath Load Sharing in BGP6 Minuten
Knowledge Check4 Minuten
Knowledge Check - IBGP Full Mesh3 Minuten
Knowledge Check - IBGP Neighbours3 Minuten
Knowledge Check - IBGP Next-Hop Processing3 Minuten
Knowledge Check - Transit Network Using Edge Routers as Next Hops Example6 Minuten
Knowledge Check - Differences Between EBGP and IBGP Sessions3 Minuten
Knowledge Check - Scalability Limitations of IBGP-Based Transit Backbones6 Minuten
Interacting with IBGP and EBGP in a Transit AS Course Exam40 Minuten

1 peer reviewInsgesamt 60 Minuten

IBGP and EBGP inter-working in a transit AS60 Minuten

A transit AS requires interaction between EBGP and IBGP and between IBGP and an IGP in the transit AS. This course describes packet forwarding through a transit AS and discusses the requirements for successful packet forwarding, such as recursive route lookup and an IGP in the transit AS. This course concludes with a discussion of the interaction between IBGP and an IGP running within the transit AS.

Das ist alles enthalten

4 Videos6 Lektüren6 Aufgaben

4 VideosInsgesamt 12 Minuten

Forwarding Packets in a Transit AS1 Minute
Packet Forwarding in a Transit AS4 Minuten
Routing Protocols in a Transit AS4 Minuten
Problems with BGP and IGP Interaction4 Minuten

6 LektürenInsgesamt 34 Minuten

Packet Forwarding in a Transit AS7 Minuten
Recursive Lookup in Cisco IOS Software7 Minuten
Routing Protocols in a Transit AS7 Minuten
BGP and IGP Interaction6 Minuten
Problems with BGP and IGP Interaction4 Minuten
Summary 3 Minuten

6 AufgabenInsgesamt 55 Minuten

Knowledge Check - Packet Forwarding in a Transit AS6 Minuten
Knowledge Check - Recursive Lookup in Cisco IOS Software3 Minuten
Knowledge Check - Routing Protocols in a Transit AS6 Minuten
Knowledge Check4 Minuten
Knowledge Check - Problems with BGP and IGP Interaction6 Minuten
Forwarding Packets in a Transit AS Course Exam30 Minuten

Introducing a transit backbone into a BGP network can create unique troubleshooting challenges. This course introduces IBGP monitoring commands and troubleshooting techniques for solving the most common IBGP problems that you might encounter in a transit backbone. Common problems with IBGP, as discussed in this course, occur when IBGP sessions do not reach the established state, when routing information that is received via IBGP is never selected and when the best BGP route is never installed in the routing table.

Das ist alles enthalten

4 Videos7 Lektüren6 Aufgaben

4 VideosInsgesamt 7 Minuten

Introduction video for Monitoring and Troubleshooting IBGP in a Transit AS1 Minute
Monitoring IBGP2 Minuten
Troubleshooting IBGP Session Startup Issues2 Minuten
Troubleshooting IBGP Route Selection Issues2 Minuten