Article :: Cisco ASA High Availability Concepts and Configurations
Sean Wilkins takes a look at a few of the failover capabilities in the Cisco Adaptive Security Appliance (ASA) product line and shows you how they can be configured to provide high availability.
View ArticleArticle :: Introduction to Networks: Exploring the Network
This chapter explores the purpose, function, technology, and implications of modern networking technology in home and enterprise environments.
View ArticleArticle :: Campus Distribution (Cisco Catalyst 4500) QoS Design
This chapter discusses the best-practice QoS design recommendations for the Cisco Catalyst 4500 (Supervisor 6-E/7-E) series switch in the role of a campus distribution layer switch.
View ArticleArticle :: Using TRILL, FabricPath, and VXLAN: IS-IS Intra Domain Routing...
This chapter covers the control plane aspects of TRILL and FabricPath. It provides an overview of IS-IS followed by a detailed description of the changes that were made in IS-IS to support TRILL.
View ArticleArticle :: Cisco Networking Academy's Introduction to Routing Concepts
This chapter introduces and explains the primary functions and features of a router and explains the process for connecting and configuring devices to the router. It continues by describing the process...
View ArticleArticle :: Cisco Networking Academy's Introduction to Routing Dynamically
This chapter explains multiple routing protocols (particularly dynamic routing protocols) and describes their relative strengths and weaknesses. It also shows how to read a routing table easily and...
View ArticleArticle :: Cisco Networking Academy's Introduction to Static Routing
This chapter explains the types of static routes as well as the advantages and disadvantages of each type. It also addresses routing configuration and troubleshooting.
View ArticleArticle :: Cisco Networking Academy's Introduction to Basic Switching...
This chapter examines some of the basic switch configuration settings required to maintain a secure, available, switched LAN environment.
View ArticleArticle :: Cisco Networking Academy's Introduction to Switched Networks
This chapter begins an examination of the flow of traffic in a modern network. It examines some of the current network design models and the way LAN switches build forwarding tables and use the MAC...
View ArticleArticle :: Cisco Networking Academy's Introduction to VLANs
This chapter will cover how to configure, manage, and troubleshoot VLANs and VLAN trunks. It will also examine security considerations and strategies relating to VLANs and trunks, and best practices...
View ArticleArticle :: Cisco Networking Academy's Introduction to Scaling Networks
This chapter introduces strategies that can be used to systematically design a highly functional network, such as the hierarchical network design model, the Cisco Enterprise Architecture, and...
View ArticleArticle :: Cisco Networking Academy Connecting Networks Companion Guide:...
Different technologies are used for WANs than for LANs. This chapter introduces WAN standards, technologies, and purposes. It covers selecting the appropriate WAN technologies, services, and devices to...
View ArticleArticle :: Cisco Networking Academy Connecting Networks Companion Guide:...
This chapter covers the terms, technology, and protocols used in serial connections, introducing the High-Level Data Link Control (HDLC) and Point-to-Point Protocol (PPP).
View ArticleArticle :: Cisco Networking Academy Connecting Networks Companion Guide:...
This chapter introduces network design concepts, principles, models, and architectures. It covers the benefits that are obtained by using a systematic design approach.
View ArticleArticle :: The Art of Network Architecture: Applying Modularity
This chapter focuses on why we use specific design patterns to implement modularity, discussing specifically why we should use hierarchical design to create a modular network design, why we should use...
View ArticleArticle :: IP Routing on Cisco IOS, IOS XE, and IOS XR: How a Router Works
This chapter from IP Routing on Cisco IOS, IOS XE, and IOS XR: An Essential Guide to Understanding and Implementing IP Routing Protocols explains how a router performs IP routing and IP packet...
View ArticleArticle :: Wireless LAN Implications, Problems, and Solutions
When designing and supporting a WLAN, however, you must be aware of potential implications, such as security vulnerabilities, radio signal interference, multipath propagation, and other issues. This...
View ArticleArticle :: Network Loop Prevention with the Rapid Spanning Tree Protocol (RSTP)
Sean Wilkins, co-author of CCNA Routing and Switching 200-120 Network Simulator, examines the differences between the Spanning Tree Protocol (STP) and the more modern Rapid Spanning Tree Protocol (RSTP).
View ArticleArticle :: VLAN Communications: Making Networks Talk to Each Other
Sean Wilkins, co-author of CCNA Routing and Switching 200-120 Network Simulator, discusses routing and communications options for virtual networks in various configurations.
View ArticleArticle :: Packet Switching Methods on Cisco Networks
Sean Wilkins, co-author of CCNA Routing and Switching 200-120 Network Simulator, teaches new networking students the basics they need to know about packet switching on Cisco networks. Experienced...
View ArticleArticle :: Network Switching Methods: Store-and-Forward Versus Cut-Through
Sean Wilkins, co-author of CCNA Routing and Switching 200-120 Network Simulator, believes every network engineer should understand the differences between the two major switching methods employed in...
View ArticleArticle :: Nine Switch Commands Every Cisco Network Engineer Needs to Know
Sean Wilkins, co-author of CCNA Routing and Switching 200-120 Network Simulator, provides a quick overview of nine commands that are essential for working with Cisco networks, whether or not your goal...
View ArticleArticle :: Five Crucial Commands for Verifying Cisco Switch Network Status...
A network engineer needs to be conscious of the state of the network and every device connected to it. But when your network consists of multiple devices connected at a distance, how can you test...
View ArticleArticle :: Overview of Security Operations Center Technologies
This chapter from Security Operations Center: Building, Operating, and Maintaining your SOC focuses on the technology and services associated with most modern SOC environments, including an overview of...
View ArticleArticle :: 5 Steps to Building and Operating an Effective Security Operations...
Joseph Muniz, co-author of Security Operations Center: Building, Operating, and Maintaining Your SOC, provides a high-level overview of the steps involved in creating a security operations center to...
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