CCNA BGP configuration and troubleshooting: Cisco CCNA prep

The Cisco CCNA exam now requires that you know BGP. This is the exam topic Cisco have listed for the exam: "Configure and verify single-homed branch connectivity using eBGP IPv4 (limited to peering and route advertisement using Network command only)"

In this course you will learn the basics of BGP as well as investigate multiple troubleshooting scenarios to help you prepare for the exam.

Border Gateway Protocol (BGP) is an exterior gateway protocol designed to exchange routing and reachability information among autonomous systems (AS) on the Internet. The protocol is often classified as a path vector protocol but is sometimes also classed as a distance-vector routing protocol. The Border Gateway Protocol makes routing decisions based on paths, network policies, or rule-sets configured by a network administrator and is involved in making core routing decisions.

BGP may be used for routing within an autonomous system. In this application it is referred to as Interior Border Gateway Protocol, Internal BGP, or iBGP. In contrast, the Internet application of the protocol may be referred to as Exterior Border Gateway Protocol, External BGP, or eBGP.

BGP4 is standard for Internet routing, required of most Internet service providers (ISPs) to establish routing between one another. Very large private IP networks use BGP internally. An example is the joining of a number of large Open Shortest Path First (OSPF) networks, when OSPF by itself does not scale to the size required. Another reason to use BGP is multihoming a network for better redundancy, either to multiple access points of a single ISP or to multiple ISPs.

Your GNS3 Academy Instructor

David Bombal
David Bombal

David Bombal (CCIE #11023 Emeritus) passed his Cisco Certified Internetwork Expert Routing and Switching exam in January 2003. David has the highest rated and most popular course in the GNS3 Academy: SDN and OpenFlow Introduction.

David's software tools and training have been downloaded +100,000 times. Many thousands of engineers like you use his tools and training on a regular basis.

David has developed over 20 courses for HP which are used worldwide. These include multiple SDN courses and HP ASE certification courses (4 day Instructor led training).

David's YouTube videos have been viewed +1 million times.

David has been training Cisco and networking courses for 15+ years and has delivered instructor led courses in various countries around the world covering a wide range of Cisco topics from CCNA to CCIE.

He has also personally developed Cisco engineer utilities such as the VPN Config Generator, software, training materials, EBooks, videos and other products which are used throughout the world.

YouTube: https://www.youtube.com/user/ConfigTerm/

Twitter: https://twitter.com/davidbombal

LinkedIn: linkedin.com/in/davidbombal

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