What’s an IP Conflict? An IP conflict occurs when two or more hosts in the same subnet are configured with the same IP address. When this happens, communications with the...
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Back to the Basics: Troubleshoot or Design? Troubleshoot or design? Design or troubleshoot? No matter which task you are executing there are some fundamental issues that arise. Recently I find...
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WiFi connections happen in a matter of microseconds. Within that small time frame, there are many frame exchanges occurring between a station and access point. Beacon frames are transmitted at...
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Maximum Transmission Unit (MTU). It’s the hidden and all-important “bucket” that moves around all of the data we create and consume on an IP based network, such as the Internet....
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The fundamentals of Wi-Fi have been preached for many years now, however, many deployments still fall short with users encountering poor performance. Starting with the basics will lead to a...
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Telnet is an application that is used to connect to a remote host’s command line terminal interface. Network and system administrators use this application to configure and administer network devices...
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Introduction perfSONAR is an open source toolkit used for running network performance tests across different network domains. The need for such a tool originated at Research and Education (R&E) institutions...
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In the ever-present quest for uptime and quality of experience, one of the most overlooked and underestimated attributes is latency. The reason for this is not entirely obtuse, primarily because...
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What DNS and DNS Cache are? The Domain Name Service (DNS), is an Internet service that is responsible for translating Fully Qualified Domain Names (FQDN), like website addresses, into IP...
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VMware Player and Testing Tip When I’m asked to baseline or troubleshoot an application, the topic of how the application will behave at remote sites comes up. Some people make the...
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