- 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.
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- 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).
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- Installation and Configuration of WAN Technologies
- Jun 22, 2015
- This chapter from CompTIA Network+ N10-006 Exam Cram, 5th Edition covers characteristics and benefits of various WAN technologies, and explains how to install and configure equipment in the appropriate location using best practices.
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- 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.
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- 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.
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- 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.
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- 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.
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- 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.
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- 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).
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- 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.
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- Collision Domains and Broadcast Domains = Apples and Oranges
- May 5, 2015
- Sean Wilkins, co-author of CCNA Routing and Switching 200-120 Network Simulator, doesn't approve of blurring collision domains and broadcast domains. Though these models are often taught together, modern technology has outpaced some of the ideas, and networking specialists who are new to the field need to distinguish between current terminology and outdated concepts.
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- OSPF Implementation
- Feb 3, 2015
- This chapter from Implementing Cisco IP Routing (ROUTE) Foundation Learning Guide: (CCNP ROUTE 300-101) examines the Open Shortest Path First (OSPF) Protocol, one of the most commonly used interior gateway protocols in IP networking.
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- CCNP Routing and Switching Portable Command Guide: Configuration of Redistribution
- Jan 21, 2015
- This chapter from CCNP Routing and Switching Portable Command Guide provides information about redistribution topics.
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- Troubleshooting Methods for Cisco IP Networks
- Jan 14, 2015
- This chapter from Troubleshooting and Maintaining Cisco IP Networks (TSHOOT) Foundation Learning Guide: (CCNP TSHOOT 300-135) defines troubleshooting and troubleshooting principles. Next, six different troubleshooting approaches are described. The third section of this chapter presents a troubleshooting example based on each of the six troubleshooting approaches.
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- Introduction to Packet-Switched Networks
- Jan 13, 2015
- Packet-switched networks are the backbone of the data communication infrastructure. This chapter from Computer and Communication Networks, 2nd Edition covers aspects of packet-switched networking, including basic definitions in networks, types of packet-switched networks, packet size and optimizations, foundation of networking protocols, addressing scheme in the Internet, and equal-sized packet model.
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- CCNP Routing and Switching SWITCH 300-115 Official Cert Guide: Switch Port Configuration
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By
David Hucaby
- Dec 18, 2014
- This chapter from CCNP Routing and Switching SWITCH 300-115 Official Cert Guide presents the various Ethernet network technologies used to establish switched connections within the campus network and also details the switch commands required for configuring and troubleshooting Ethernet LAN ports.
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- CCNP Routing and Switching TSHOOT 300-135 Official Cert Guide: Troubleshooting Device Performance
- Dec 9, 2014
- This chapter from CCNP Routing and Switching TSHOOT 300-135 Official Cert Guide discusses common reasons for high CPU and memory utilization on routers and switches, in addition to how we can recognize them. This chapter also covers interface statistics because they sometimes provide the initial indication of some type of issue.
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- Fundamental EIGRP Concepts
- Nov 26, 2014
- This chapter from CCNP Routing and Switching ROUTE 300-101 Official Cert Guide covers EIGRP fundamentals, EIGRP neighborships, and neighborships over WANs.
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- Selecting a Routing Protocol: CCNP Routing and Switching ROUTE 300-101
- Sep 4, 2014
- This lesson, excerpted from CCNP Routing and Switching ROUTE 300-101 Complete Video Course, identifies a variety of characteristics to consider when selecting a routing protocol. Also, common routing protocols (specifically, RIP, OSPF, EIGRP, and BGP) are categorized as a distance-vector, link-state, or path-vector routing protocol.
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- GRE Tunnel Theory and Configuration: CCNP Routing and Switching ROUTE 300-101
- Aug 28, 2014
- This lesson, excerpted from CCNP Routing and Switching ROUTE 300-101 Complete Video Course, discusses the theory behind a Generic Routing Encapsulation (GRE) tunnel and describes how a GRE tunnel can be combined with an IPsec tunnel to add security. it concludes by configuring and verifying a GRE tunnel.
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