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Introduction: Difference between revisions
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The Allegro Network Multimeter is a real-time network measurement tool to identify network problems, performance bottlenecks, and to measure network quality parameters. It can be used for network troubleshooting, performance measurement, performance monitoring and other use cases. The | The Allegro Network Multimeter is a real-time network measurement tool to identify network problems, performance bottlenecks, and to measure network quality parameters. It can be used for network troubleshooting, performance measurement, performance monitoring and other use cases. The appliance is easy to install and provides a modern web-based interface to analyze multiple network traffic parameters from all Layers of the network stack. | ||
The | The appliance can be placed inline in gigabit networks, or running on the Mirror Port of a router. It will measure the following network parameters: | ||
* Layer 2 MAC analysis: Throughput, assigned IP addresses, communication peers, and more. | * Layer 2 MAC analysis: Throughput, assigned IP addresses, communication peers, and more. | ||
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=== Name correlation === | === Name correlation === | ||
The Network Multimeter will | The Network Multimeter will display name information wherever available and use different data sources for extracting name information for network devices (and their IP addresses). Names are often announced by the device itself (via DHCP or NetBIOS), or are part of the network infrastructure (via DNS or HTTP host names). | ||
All information is gathered during runtime and shown for each IP address to make it possible to identify the actual system parameters. | All information is gathered during runtime and shown for each IP address to make it possible to identify the actual system parameters. | ||
Depending on the network setup, the same IP can be assigned to different devices over time. The Allegro Network Multimeter will show as much name information as possible even if such information is outdated. This means that it can occur that a name is displayed for an IP address that belongs to a different device. This should not be a problem since new devices should announce their name to bring the internal name database up to date again. | Depending on the network setup, the same IP can be assigned to different devices over time. The Allegro Network Multimeter will show as much name information as possible even if such information is outdated. This means that it can occur that a name is displayed for an IP address that belongs to a different device. This should not be a problem since new devices should announce their name to bring the internal name database up to date again. | ||