Paessler PRTG

Ethernet monitoring with PRTG

Eliminate ethernet problems to increase your network performance

  • Use real-time visibility to make sure your network performs at top level
  • Gain detailed insights with advanced ethernet traffic analysis
  • Start monitoring in minutes with out-of-the-box, specialized dashboards

Our users give top ratings for monitoring with Paessler PRTG



PRTG makes ethernet monitoring easy

Custom alerts and data visualization make it easy to monitor, identify, and prevent bandwidth bottleneck issues.









5 problems you can solve with the PRTG ethernet monitoring tool

When working in IT – especially as a system administrator – there’s nothing more nerve-wrecking and time-consuming than recurring problems (which could easily be solved if you could pinpoint the root cause of the problem). Raise the curtain for Paessler PRTG, your powerful ethernet monitor and the solution to a lot of these issues.

Resolve IP address conflicts

Double allocation of IP addresses due to a DHCP server configuration error or a server failure are extremely annoying. With PRTG, you can monitor the availability and configuration of your DHCP server – simply use the WMI Service sensor or the DHCP sensor to easily solve your problems.

Prevent packet loss

Disconnects and loss of quality in VoIP or video calls are often related to packet loss or duplicate packets. PRTG offers various sensors like QoS (Quality of Service) One Way or QoS (Quality of Service) Round Trip so you can check jitter, packet delays, and more to get to the bottom of the problem.

Find defective ethernet ports

Have you experienced unexpected downtime or other issues around network management lately? And your ethernet configuration seems to be correct? With the Port v2 sensor you can check the TCP/IP ports of your router to get one step closer to the solution.

Identify bandwidth bottlenecks

Performance bottlenecks during peak-usage times due to high-demand applications can be a real bother. To monitor ethernet and find the bandwidth hog or adapt your network performance management, use PRTG for a deep-dive analysis of your bandwidth usage patterns.

Ensure fast ethernet response times

Connecting to the internal servers again takes forever and using simple online services is a test of patience? Real-time network monitoring with PRTG helps you to identify possible causes, for example if the CPU usage is too high or if there’s a problem with your database you should look into.








What ethernet monitoring looks like in PRTG

Diagnose network issues by continuously monitoring your ethernet traffic. Show specific ethernet issues in real time and visualize data in graphic maps & dashboards to identify problems more easily. Gain the visibility you need to troubleshoot duplicate packets, unexpected downtimes, and unwanted network loops.


Start monitoring ethernet with PRTG and see how it can make your network more reliable and your job easier.



IT experts agree: Paessler PRTG is a great solution for IT infrastructure monitoring


“All-around winning
network monitor”

logo it brief

“The real beauty of PRTG is the endless possibilities it offers”


“PRTG Network Monitor
is very hard to beat”


More than just ethernet monitoring software:
Improve your network performance management with PRTG

While ethernet bandwidth monitoring is an important part of any viable network management strategy, a powerful and easy-to-use, real-time monitoring software such as PRTG can give you so much more.

Improved network bandwidth reliability

With PRTG, you are prepared for all eventualities. Whether you want to get to the bottom of a network congestion, check your ethernet traffic or perform general ethernet troubleshooting – PRTG is the monitoring software of your choice.

Automated and customizable alerts

Whether it's a problem with your network devices, routers, or anything else, PRTG will alert you immediately with customizable notifications. Set individual error thresholds to trigger alerts when you need them, configure detailed alerting rules, and choose your preferred notification method such as email, SMS, or push notification.

Detailed monitoring dashboards

For ethernet monitoring tools to provide real value, they must not only be quick to install, but also work out of the box. To get you up and running immediately, PRTG installs quickly and offers an Auto-Discovery feature, as well as preconfigured dashboards (or maps in PRTG) and the ability to customize or create completely new ones.

Reliable data for improved IT security

Whether DDoS, ransomware, or the classic trojan horse –  network attacks on IT infrastructure have unfortunately become part of everyday life. PRTG is here to help you get the information you need to protect your IT by monitoring your critical security points and devices across your entire distributed network in real time.

Streamline your entire IT/OT operations

While you are using the SNMP Disk Free v2 sensor to check the space on your hard disks, and the free PRTG apps for iOS and Android to have a look at the latest data on the way to the server room, why not also check the OT network of your company’s production floor? Because with PRTG, you can streamline your entire IT/OT operations with one comprehensive monitoring software.


How to test your ethernet bandwidth

Besides monitoring ethernet problems, PRTG offers several ways to test your ethernet bandwidth.


SNMP monitoring

With its minimal resource requirements, SNMP is one of the most common methods used for network monitoring. Using the preconfigured SNMP Traffic v2 sensor, you can collect detailed information about a variety of metrics, including ethernet bandwidth usage and network load.

Packet sniffing / ethernet sniffing

Whether you know it as an ethernet sniffer or packet sniffer, behind this term lies a powerful method that PRTG uses to analyze packets in your network. The specialized Packet Sniffer sensor is particularly suited for detailed and in-depth network analysis tasks.

Flow monitoring

With the various flow sensors (NetFlow, sFlow, jFlow, and IPFIX) you can use in PRTG, you have an additional method to detect ethernet traffic patterns and ethernet usage. These protocols allow you to gather information about the flow of data in your network and provide optimization capabilities.


Your ethernet monitor at a glance – even on the go

Set up PRTG in minutes and use it on almost any mobile device.


PRTG comes with all the features you need, plus more your IT infrastructure won't want to live without.



PRTG monitors these vendors and applications in one view!


vendors vm ware



Easily find the source of the problem with our PRTG ethernet monitoring solution

Real-time alerts and custom notifications make it easy to solve issues with performance bottlenecks, unexpected downtimes, ethernet traffic or network management.



PRTG is compatible with all major vendors, products, and systems

vendors applications blue


Create innovative solutions with Paessler’s partners

Partnering with innovative vendors, Paessler unleashes synergies to create
new and additional benefits for joined customers.


baramundi and PRTG create a secure, reliable and powerful IT infrastructure where you have everything under control - from the traffic in your firewall to the configuration of your clients.

Read more

INSYS icom

With the combination of PRTG and Insys, the monitoring specialist Paessler and the industrial gateway manufacturer INSYS icom offer a practical possibility to merge IT and OT.

Read more


Siemon and Paessler bring together intelligent building technology and advanced monitoring and make your vision of intelligent buildings and data centers become reality.

Read more



“Excellent tool for detailed monitoring. Alarms and notifications work greatly. Equipment addition is straight forward and server initial setup is very easy. ...feel safe to purchase it if you intend to monitor a large networking landscape.”

Infrastructure and Operations Engineer in the Communications Industry, firm size 10B - 30B USD

Read the entire review at Gartner Peer Insights 


PRTG makes ethernet monitoring easy

Custom alerts and data visualization make it easy to monitor, identify, and prevent bandwidth bottleneck issues.


Monitor ethernet: FAQ


What is ethernet?

Ethernet is a common network technology. It facilitates the transmission of data over local area networks (LAN) and metropolitan area networks (MAN). It provides a standardized way for devices to communicate over a network, using a protocol that controls how the data is transmitted and ensures that the information arrives its destination safely and efficiently. It’s adaptable to both personal and professional environments and forms the backbone of most modern business networks.

What is ethernet monitoring?

Ethernet monitoring is the process of monitoring the health and performance of ethernet networks to ensure that they are operating efficiently and securely. By tracking real-time data such as bandwidth usage, network traffic, and device status, monitoring your ethernet helps to identify and resolve issues that can affect network connectivity and performance.

How do I identify ethernet performance problems?

Identifying ethernet performance issues within a network involves monitoring various metrics such as network traffic, bandwidth utilization, the health of network devices including routers, switches and repeaters, and security-related parts like the firewall.

Ethernet performance monitoring software such as PRTG provides real-time visibility into these metrics, allowing IT professionals to detect anomalies that may indicate problems such as network congestion, bandwidth bottlenecks, or failing hardware.

How will ethernet problems affect my network?

Ethernet problems can result in network downtime, reduced data transfer speeds, and overall network instability. These problems can disrupt business operations, resulting in lost productivity, negative financial impact, and potential security risks. Persistent problems can also drain IT resources, as teams spend more time troubleshooting and less time on future projects and strategic initiatives.

How does PRTG solve ethernet bandwidth monitoring challenges?

PRTG streamlines ethernet bandwidth monitoring by providing a comprehensive set of tools to continuously track network performance. This includes features like:

  • Monitoring ethernet traffic in real-time to quickly pinpoint the source of problems
  • Packet sniffing – the detailed examination of data packets to identify anomalies or bottlenecks
  • LAN health monitoring, which continuously checks the health of the local area network to prevent and resolve problems in a timely manner

Can PRTG be used as an ethernet performance test tool?

Yes, PRTG can be used as an ethernet performance test tool. Thanks to the large number of specialized ethernet monitoring sensors, data such as uptime monitoring or bandwidth consumption can be collected and visualized.

Since PRTG is also an advanced bandwidth calculator and network reporting tool, you can quickly find out where bottlenecks are and how they affect your ethernet performance. You always have the right software to improve your network performance strategy and to monitor your entire IT infrastructure.

What is a sensor in PRTG?

In PRTG, “sensors” are the basic monitoring elements. One sensor usually monitors one measured value in your network, for example the traffic of a switch port, the CPU load of a server, or the free space on a disk drive.

On average, you need about 5-10 sensors per device or one sensor per switch port.


PRTG the multi-tool

PRTG: The multi-tool for sysadmins

Adapt PRTG individually and dynamically to your needs and rely on a strong API:

  • HTTP API: Access monitoring data and manipulate monitoring objects via HTTP requests
  • Custom sensors: Create your own PRTG sensors for customized monitoring
  • Custom notifications: Create your own notifications and send action triggers to external systems
  • REST Custom sensor: Monitor almost everything that provides data in XML or JSON format


We asked: would you recommend PRTG?
Over 95% of our customers say yes!


Paessler conducted trials in over 600 IT departments worldwide to tune its network monitoring software closer to the needs of sysadmins.
The result of the survey: over 95% of the participants would recommend PRTG – or already have.


Recommend PRTG


Still not convinced?


More than 500,000
sysadmins love PRTG

Paessler PRTG is used by companies of all sizes. Sysadmins love PRTG because it makes their job a whole lot easier.


Monitor your entire IT infrastructure

Bandwidth, servers, virtual environments, websites, VoIP services – PRTG keeps an eye on your entire network.


Try Paessler PRTG
for free

Everyone has different monitoring needs. That’s why we let you try PRTG for free.



Paessler PRTG 

Start monitoring ethernet with PRTG and see how it can make your network more reliable and your job easier.




Network Monitoring Software - Version (June 26th, 2024)


Download for Windows and cloud-based version PRTG Hosted Monitor available


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Up to 100 sensors for free (Price List)

Unified Monitoring

Network devices, bandwidth, servers, applications, virtual environments, remote systems, IoT, and more

Supported Vendors & Applications

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