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Network Troubleshooting and Support

SME Network Internet IP Addressing Strategies
Every device that needs to communicate with the Internet needs a unique IP address. There are two different, and functionally incompatible, IP addressing schemes: IPv4 and IPv6. More ...

Steps For Designing a Crisis Management Plan
There are six steps for defining a crisis management plan that can be easily remembered using the word CRISIS. Use the steps of CRISIS to be ready to deal with emergencies that your organization might face. More ...

Network Cabling Do's and Don'ts
Installing network cabling yourself can definitely be cost effective. Here are some tips for both network cabling professionals and do-it-yourselfers. More ...

Standard Network Path Metrics
Selecting performance metrics are key to an effective network performance monitoring strategy. Before assigning performance metrics, we need to understand the typical industry standard performance metrics used. More ...

Five Network Design Considerations
Here are five things that must be taken into consideration in a network's design. A designer must consider; redundancy, congestion, hardware limits, monitoring, and Layer 8, the hypothetical 'user' layer of the OSI model in network design. More ...

Metro Ethernet Fundamentals for WAN Connectivity
Because of its cost effectiveness, availability and seamless protocol transition from campus network to WAN, Metro Ethernet is increasing in popularity. This artice provides the fundamentals for Metro Ethernet WAN Connectivity. More ...

Local Network IP Addressing Strategies
Typically, a home or SME network would use one block of 256 addresses as a subnet. Most home networks use one block out of the 192.168.x.x private address space - frequently 192.168.0.0 or 192.168.1.0. More ...

Troubleshoot Network Connectivity With a Time Domain Reflectometer (TDR)
A time-domain reflectometer (TDR) is an instrument that can be used to locate faults in network cables. It can be used for routine maintenance or tracking down illegal taps. More ...

Calculating VoIP Bandwidth
If an organization is considering VoIP deployment, it should first calculate how much bandwidth is required. Bandwidth consumption estimated early on will determine if the organization needs to increase Internet speeds or otherwise optimize their network. More ...

Network Schematic Symbols
A network diagram is a map of the nodes and connections in a computer network. Cisco's icons are globally recognized and generally accepted as standard for network topology design. More ...

Internet Access Methods for Your SME
Most people access the Internet using a DSL connection using the telephone network. More subscribers are beginning to use co-ax or optical fiber cable connections, and, increasingly, 3G mobile connections. More ...

How to Choose a Fiber Optic Tool Kit
What do you need in a fiber optic tool kit? There are kits for epoxy and polishing connector termination, quick connector termination, fusion splicing, mechanical splicing, optic cleaning, fiber optic testing, and many more. More ...

Rack Mount Enclosures and Server Racks
when shopping for rack mount cabinets you will see references to cabinets like 10u, 12u, 25u and so on. So what does all of this mean? All computer heights are measured in units called "U's". In the world of computers, when referring to the height of a computer, 1 "U" equals 1.75 inches. More ...