中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.
Implementing BGP in a Service Provider Network
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June 2025
作业
28 项作业
授课语言：英语（English）
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本课程是 Configuring BGP on Cisco Routers 专项课程 专项课程的一部分
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该课程共有5个模块
涵盖的内容
2篇阅读材料
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.
涵盖的内容
5个视频6篇阅读材料6个作业
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.
涵盖的内容
10个视频10篇阅读材料10个作业
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.
涵盖的内容
4个视频6篇阅读材料6个作业
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.
涵盖的内容
4个视频7篇阅读材料6个作业
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