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CCNA Routing and Switching 200-125 Certification Guide

You're reading from   CCNA Routing and Switching 200-125 Certification Guide The ultimate solution for passing the CCNA certification and boosting your networking career

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Product type Paperback
Published in Oct 2018
Publisher Packt
ISBN-13 9781787127883
Length 504 pages
Edition 1st Edition
Tools
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Author (1):
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Lazaro (Laz) Diaz Lazaro (Laz) Diaz
Author Profile Icon Lazaro (Laz) Diaz
Lazaro (Laz) Diaz
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Table of Contents (24) Chapters Close

Preface 1. Internetworking Models FREE CHAPTER 2. Ethernet Networking and Data Encapsulations 3. Introducing the TCP/IP 4. Subnetting in IPv4 5. Variable Length Subnet Mask and Route Summarization 6. The IOS User Interface 7. Managing the Cisco Internetwork 8. Managing Cisco Devices 9. The IP Routing Process 10. The IPv6 Protocol 11. Introduction to IPv6 Routing 12. Switching Services and Configurations 13. VLANs and Inter-VLAN Routing 14. Introduction to the EIGRP Routing Protocol 15. The World of Open Shortest Path First (OSPF) 16. Border Gateway Protocol 17. Access-Control List 18. Network Address Translation 19. Wide Area Networks 20. Advanced Networking Topics 21. Mock Test Questions
22. Assessments
23. Other Books You May Enjoy

A brief history of BGP

BGP has been around since the early days of the internet, all the way back to the days of ARPANET.

BGP dates to 1969, where it sent a message through the internet and only a portion of the message was received, but it was considered a success.

In 1971, ARPANET implemented more internet protocols. These were early data packet switching-type protocols, which in turn provided us with the TCP/IP.

In 1982, an attempt was made to create an internet protocol and the GGP, or the Gateway-to-Gateway Protocol, came to be. Unfortunately, it did not scale well and suffered from excessive overhead in the managing of routing tables, and troubleshooting a non-centralized system proved to be extremely difficult.

To fix these deficiencies, the Exterior Gateway Protocol (EGP) was developed, which started the concept of autonomous systems. The purpose of this protocol was...

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