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 ...
Introduction to QoS (Quality of Service)
The main concern with routing is ensuring that data packets reach their proper destinations. Quality of Service ensures that packets do not suffer from long delays or dropped packets. More ...
How to Connect Two Computers Together with an Ethernet Cable
You can connect two computers to one another using an Ethernet cable. Once you've connected the computers, you can share files between them by using both computers file sharing settings. More ...
Network Change Control System
The most boring, but also the most important task of a network administrator is documenting the network. Documenting your network can save you an enormous amount of time and money. More ...
IPv6 Address Compressor Expander
Enter the IPv6 address in the top text box. Click on the appropriate button: Omit Leading Zeros, Consolidate Zeros Segments, Expand Zeros Segments, Replace Leading Zeros. The formatted address will appear in the bottom text box. More ...
Structured Network Troubleshooting Methodology Step 2 Establish a Theory of Probable Cause
Step 1 in a structured network troubleshooting methodology is to identify the problem. Here we discuss step 2, establish a theory of probable cause. More ...
Network Notepad Free Network Diagraming Tool
Network Notepad is a freeware app for creating interactive network diagrams. It's a complete network diagramming tool that includes interactive functionality like telnet, browse, ping, and more. Network Notepad has an easy-to-use drag-and-drop interface" 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 ...
How to Design a Highly Reliable Fiber Optic Network
What happens if a major fiber optic cable is cut or a major hubbing location is destroyed? This article is about the survivability of a well designed fiber network. More ...
Configuring DHCP for Your SME Network
DHCP (Dynamic Host Control Protocol) is a network service that allows a device that is attached to the network to be allocated an IP address automatically. More ...
Structured Network Troubleshooting Methodology Step 7 Document Findings, Actions, Outcomes, and Lessons Learned
Step 5 in a structured network troubleshooting methodology is to Implement the Solution or Escalate as Necessary. Step 6 is to verify full system functionality and, if applicable, implement preventive measures. Here we discus Step 7, document findings, actions, outcomes, and lessons learned. More ...
What is the Difference Between NAT and PAT?
NAT works by mapping a pool of public IP addresses one-to-one to the private IP addresses, keeping the port number intact. PAT uses a single public IP address and maps multiple private IP addresses to it by using different port numbers. More ...
Questions to Ask Before Beginning Network Design
Before beginnig to design your network, you need to ask, and have answered, several key questions: Will you allow your PC(s) to access Internet services. Will you allow other users to access services that you provide from your private network. More ...
Troubleshooting The Network
When you receive a call for technical support, you need to log the problem as you receive the call. To prioritize a problem you need to assess the seriousness of the problem and what impact it has on the network. More ...
