Chapters & Articles

This Companion Guide is the official supplemental textbook for the Networking Essentials course in the Cisco Networking Academy. This sample chapter covers the communication protocols for networks as well as network communication standards. You will also learn what the difference is between the OSI and TCP/IP models.

In this sample chapter from Networking Essentials Companion Guide, you will explore the protocols of network communication and how to troubleshoot problems in your network.

In this sample chapter from CCNP and CCIE Collaboration Core CLCOR 350-801 Official Cert Guide, you will examine Cisco Unified Communications Manager call-routing tools, such as route patterns, SIP route patterns, route groups, and route lists.

In this sample chapter from Containers in Cisco IOS-XE, IOS-XR, and NX-OS: Orchestration and Operation, you will explore the key built-in capabilities that enable application hosting and containers in Nexus switching platforms.

In this sample chapter from Virtual Routing in the Cloud, explore the software and data plane design of the CSR 1000V, a virtualized software router that runs the IOS XE operating system.

In this sample chapter from CCNA Cybersecurity Operations Companion Guide and the Cisco Networking Academy, you will learn about the who, what, and why of cyberattacks—plus review available resources to prepare for a career in cybersecurity operations.

In this sample chapter from CCNP Enterprise Advanced Routing ENARSI 300-410 Official Cert Guide, explore Enhanced Interior Gateway Routing Protocol (EIGRP) fundamentals, configuration models, and path metric calculations.

In this sample chapter from CCNP Enterprise Advanced Routing ENARSI 300-410 Official Cert Guide, 2nd Edition, you will learn the underlying mechanics of the EIGRP routing protocol and the path metric calculations, and how to configure EIGRP on a router for IPv4 and IPv6. This book covers topics from the Cisco Enterprise Advanced Routing v1.1 (ENARSI 300-410) exam.

In this sample chapter from Introduction to Networks Companion Guide (CCNAv7) for Cisco Networking Academy students, you will review available switching forwarding methods and port settings on Layer 2 switch ports.

This sample chapter from Introduction to Networks v6 Companion Guide , introduces the platform of data networks upon which our social and business relationships increasingly depend. The material lays the groundwork for exploring the services, technologies, and issues encountered by network professionals as they design, build, and maintain the modern network.

In this sample chapter from Deploying ACI: The complete guide to planning, configuring, and managing Application Centric Infrastructure, learn how to enable Layer 3 communication and integrate with routing protocols you may already be using in your environment.

You can deploy a Secure Firewall threat defense as a default gateway for your network so that the end users can use the threat defense to communicate with a different subnet or to connect to the Internet. This sample chapter from CCNP Security Cisco Secure Firewall and Intrusion Prevention System Official Cert Guide describes the processes to deploy a threat defense in routed mode.

First Hop Redundancy Protocols (FHRPs) add the function of redundancy and load sharing for the default router function in any subnet. In this sample chapter you will learn the purpose, functions, and concepts of FHRPs. This chapter covers the following exam objectives from the CCNA 200-301 v1.1 exam: 3.0 IP Connectivity and 3.5 FHRPs.

In this sample chapter from Cisco Firepower Threat Defense (FTD): Configuration and Troubleshooting Best Practices for the Next-Generation Firewall, Next-Generation Intrusion Prevention System, and Advanced Malware Protection, review the steps required to reimage and troubleshoot any Cisco ASA 5500-X Series hardware.