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Ethernet Monitoring

It is often required to monitor Ethernet traffic to identify packet errors. It is necessary to Tap into an Ethernet connection, and there are two ways of achieving this:

Using an Ethernet Switch

An Ethernet Switch may provide a Monitoring connection. The Switch inserted into the Ethernet connection. The Ethernet Analyser is connected to the Monitoring Port of the Switch.

This method has the disadvantage of possible dropped packets when the Ethernet connection is heavily loaded.

Using a Network TAP

A Network TAP (Test Access Point) is connected in the same way as the Switch except network data is passed through the TAP unimpeded. The unbuffered connection provides a more reliable connection.
Network taps are often used for:

  • Network intrusion detection
  • VoIP recording
  • RMON probes
  • Packet sniffers
  • Security applications

The TAP is not identifiable on the network in any way and will often still function when powered-down.

The Debug Store offers a range of Ethernet Network TAPS from ProfiTAP, a company specialising in this technology.


LE-580FX LAN Analyser

LE-580FX LAN Analyser

The Lineeye LE-580FX is an Ethernet analyser/ packet tester with a USB 2.0 interface.



ProfiShark 100M Ethernet Analyser

ProfiShark 100M Ethernet Analyser

The ProfiShark 100M from ProfiTap is an all-in-one solution for deep analysis of 10/100 networks. It is a renowned Ethernet troubleshooting device that is designed for analysis of both regular Ethernet and real-time internet networks. Its ultra-compact design and unique built makes it stand-out from other analysers available in the market.



ProfiShark 1G Ethernet Tap

ProfiShark 1G Ethernet Tap

The ProfiShark 1G from ProfiTap is an Ethernet Tap device that is designed monitor in-line Gigabit Ethernet connection and provides capturing of field traffic and troubleshoot the connection. The ProfiShark is a compact all-in-one device that is connected to a computer or a laptop with just a simple USB connection and plays the role of a 10/100/1G aggregator tap and two 1 Gbps NICs.