You're reading from Implementing and Administering Cisco Solutions: 200-301 CCNA Exam Guide Begin a successful career in networking with CCNA 200-301 certification

Product type Paperback

Published in Nov 2020

Publisher Packt

ISBN-13 9781800208094

Length 764 pages

Edition 1st Edition

Tools

Cisco

Concepts

Network Security

Author (1):

Glen D. Singh

View More author details

Table of Contents (26) Chapters

Preface

1. Section 1: Network Fundamentals

2. Chapter 1: Introduction to Networking FREE CHAPTER

3. Chapter 2: Getting Started with Cisco IOS Devices

4. Chapter 3: IP Addressing and Subnetting

5. Chapter 4: Detecting Physical Issues, Wireless Architectures, and Virtualization

6. Section 2: Network Access

7. Chapter 5: Implementing VLANs, Layer 2 Discovery Protocols, and EtherChannels

8. Chapter 6: Understanding and Configuring Spanning-Tree

9. Section 3: IP Connectivity

10. Chapter 7: Interpreting Routing Components

11. Chapter 8: Understanding First Hop Redundancy, Static and Dynamic Routing

12. Section 4: IP Services

13. Chapter 9: Configuring Network Address Translation (NAT)

14. Chapter 10: Implementing Network Services and IP Operations

15. Section 5: Security Fundamentals

16. Chapter 11: Exploring Network Security

17. Chapter 12: Configuring Device Access Control and VPNs

18. Chapter 13: Implementing Access Control Lists

19. Chapter 14: Implementing Layer 2 and Wireless Security

20. Section 6: Automation and Programmability

21. Chapter 15: Network Automation and Programmability Techniques

22. Chapter 16: Mock Exam 1

23. Chapter 17: Mock Exam 2

24. Assessments

25. Other Books You May Enjoy

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Understanding dynamic routing

Let's imagine you're the network engineer for a very large organization that has a lot of subnets spanning across multiple remote offices, which are all interconnected by routers. Manually implementing static routes to each network can be a very daunting task. Imagine that there is a failure on the network; routers will not automatically discover a new path and re-route network traffic. Furthermore, as the network engineer, your job gets tougher when there are issues on the network as static routing becomes more difficult to troubleshoot as the network expands.

To save the day, there are dynamic routing protocols. What exactly are dynamic routing protocols? The answer to this question is quite simple: they are layer 3 routing protocols that can be configured on a router to automatically discover remote networks, maintain and update routing tables, and calculate the best path to a destination network. In the event a route or path is no longer...