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161.
Video: CCNA Cloud CLDFND 210-451: Block-Based Access and SANs
Sep 17, 2015
In this excerpt from CCNA Cloud CLDFND 210-451 LiveLessons: Understanding Cisco Cloud Fundamentals, Gustavo Santana defines a block, how servers access blocks, and the role of the storage area network.
162.
Spanning Tree Protocol (STP) Walkthrough
Sep 3, 2015
A deep understanding of the Spanning Tree Protocol (STP) is crucial to working with Ethernet switched networks. What complicates understanding is that you need to know how networks use STP before you'll understand the protocol. Sean Wilkins, co-author of CCNA Routing and Switching 200-120 Network Simulator, walks through an example to show how port states and roles, bridge IDs and BPDUs, and more are related in Cisco network devices.
163.
Trunking Mechanics of Cisco Network Switches
Aug 27, 2015
Every network engineer must have a good understanding of how trunks work in an Ethernet switching environment. Sean Wilkins, co-author of CCNA Routing and Switching 200-120 Network Simulator, shows how trunks carry traffic from multiple VLANs across switches to their configured switchports, and discusses the Cisco modes and commands that configure trunking ports.
164.
Five Crucial Commands for Verifying Cisco Switch Network Status and Operational State
Aug 11, 2015
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 connections and keep on top of network performance? Sean Wilkins, co-author of CCNA Routing and Switching 200-120 Network Simulator, discusses five basic commands you need to know and use correctly to maintain your Cisco network.
165.
Nine Switch Commands Every Cisco Network Engineer Needs to Know
Aug 4, 2015
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 is certification.
166.
Network Switching Methods: Store-and-Forward Versus Cut-Through
Jul 28, 2015
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 computer networks. This overview discusses the two methods from their initial deployments to modern usage.
167.
Packet Switching Methods on Cisco Networks
Jul 14, 2015
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 network engineers will find this article a useful refresher course on Cisco technology.
168.
VLAN Communications: Making Networks Talk to Each Other
Jul 7, 2015
Sean Wilkins, co-author of CCNA Routing and Switching 200-120 Network Simulator, discusses routing and communications options for virtual networks in various configurations.
169.
Network Loop Prevention with the Rapid Spanning Tree Protocol (RSTP)
Jun 30, 2015
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).
170.
Video: Natalie Timms on Cisco TrustSec
Jun 18, 2015
Natalie Timms, author of Cisco TrustSec LiveLessons: Deployment, Configuration and Troubleshooting Techniques, discusses the relevance of Cisco TrustSec to security today, who would benefit from viewing her video, "Cisco TrustSec LiveLessons," and the integration of TrustSec technologies into key Cisco certifications. Find out more about Natalie and Cisco TrustSec at www.ciscopress.com.
171.
VLAN Configuration Fundamentals and Commands
Jun 15, 2015
After becoming familiar with basic VLAN concepts, you need to learn how to configure your organization's networks and devices. Sean Wilkins, co-author of CCNA Routing and Switching 200-120 Network Simulator, discusses important concepts and commands you will use in setting up networks and getting devices to talk to each other.
172.
Wireless LAN Implications, Problems, and Solutions
Jun 15, 2015
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 chapter from Designing and Deploying 802.11 Wireless Networks explains the impacts of these problems and introduces some ways to resolve them.
173.
Implementing Cisco IP Switched Networks (SWITCH) Foundation Learning Guide: Campus Network Architecture
Jun 4, 2015
This chapter from Implementing Cisco IP Switched Networks (SWITCH) Foundation Learning Guide: (CCNP SWITCH 300-115) covers implementing VLANs and trunks in campus switched architecture, understanding the concept of VTP and its limitation and configurations, and implementing and configuring EtherChannel.
174.
Implementing Cisco IP Switched Networks (SWITCH) Foundation Learning Guide: Network Design Fundamentals
Jun 1, 2015
This chapter from Implementing Cisco IP Switched Networks (SWITCH) Foundation Learning Guide: (CCNP SWITCH 300-115) begins the journey of exploring campus network design fundamentals by focusing on a few core concepts around network design and structure and a few details about the architecture of Cisco switches.
175.
Virtual vs. Physical LANs: Device Functionalities
May 29, 2015
If you have a good grasp of the basics of local access networks (LANs), it's time to step up your game. Sean Wilkins, co-author of CCNA Routing and Switching ICND2 200-101 Official Cert Guide, explores the concepts behind virtual LANs, how they differ from physical LANs, and why VLANs make sense for modern organizations.
176.
Implementing Cisco IP Switched Networks (SWITCH) Foundation Learning Guide: Fundamentals Review
May 27, 2015
This chapter from Implementing Cisco IP Switched Networks (SWITCH) Foundation Learning Guide: (CCNP SWITCH 300-115) covers the following basic switching topics as a review to CCNA: hubs and switches, bridges and switches, switches of today, broadcast domains, MAC addresses, the basic Ethernet frame format, basic switching function, VLANs, the Spanning Tree Protocol, trunking, port channels, and multilayer switching (MLS).
177.
Video: NX-OS Configuration Fundamentals: Virtual Routing and Forwarding
May 25, 2015
In this excerpt from NX-OS Configuration Fundamentals LiveLessons, learn about layer 3 virtualization capabilities within NX-OS, in particular, virtual routing and forwarding (VRF).
178.
Video: NX-OS Configuration Fundamentals: Unified Fabric Basics
May 21, 2015
In this excerpt from NX-OS Configuration Fundamentals LiveLessons, learn about unified fabric basics, including a discussion of Fibre Channel over Ethernet, FCoE protocol fundamentals and the benefits of FCoE.
179.
Basic Data Transmission in Networks: MAC Tables and ARP Tables
May 12, 2015
Bombarded with jargon, no wonder networking beginners get lost. Sean Wilkins, co-author of CCNA Routing and Switching 200-120 Network Simulator, explains some crucial terminology for anyone who needs to understand complex networking.
180.
Video: NX-OS Configuration Fundamentals: NX-OS Security Basics
May 11, 2015
In this video excerpt from NX-OS Configuration Fundamentals LiveLessons, learn NX-OS security basics.