What is an SNMP community string?
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You can upgrade to a paid license at any time.
Keep track of your entire network with
the SNMP monitoring tool PRTG
The “SNMP community string” is like a user ID or password that allows access to a router's or other device's statistics.
SNMP community strings are used only by devices which support the SNMPv1 and SNMPv2c protocol. SNMPv3 uses username/password authentication, along with an encryption key.
By convention, most SNMPv1-v2c equipment ships from the factory with a read-only community string set to “public”. It is standard practice for network managers to change all the community strings to customized values in the device setup.
Free SNMP testing tool
SNMP Tester: Test Run
Debugging tool for monitoring
configurations that use SNMP
With SNMP Tester you can run simple SNMP requests against a device in your network. This test program is based on the SNMP technologies built into PRTG.
This is what network monitoring looks like in PRTG
SNMP CPU Load sensor
SNMP Printer sensor
PRTG Sunburst: overview of your entire network
PRTG is your all-in-one SNMP monitoring software
With PRTG it is easy to keep an eye on network and bandwidth usage. Find out what applications and servers are using up your bandwidth, avoid performance bottlenecks and deliver better quality of service to your users. PRTG comes with several prefoncigured SNMP sensors and lets you obtain a comprehensive view of your network.
Unlimited use of PRTG for 30 days. After 30 days PRTG reverts to the freeware edition.
You can upgrade to a paid license at any time.
Further information about
SNMP and SNMP monitoring
What is SNMP?
SNMP stands for Simple Network Management Protocol and describes a set of standards for the communication of devices in a TCP/IP network. The great advantage of SNMP is the wide distribution and the support of almost all devices of many different manufacturers.
More details about SNMP can be found here.
Why should I use SNMP monitoring?
Network monitoring with SNMP usually works very reliably, requires hardly any bandwidth and allows you to get an overview of a large part of your network without a large network and CPU load. With a variety of predefined sensors PRTG makes SNMP monitoring especially easy.
How do I get more detailed insights about my network? ?
SNMP gives you a good overview of the performance of your network. For more detailed traffic insights, you can use flow protocols such as NetFlow, jFlow or sFlow, or packet sniffing.
“The greatest advantage of PRTG? You get to rest easy.“
Steffen Ille, Bauhaus-University of Weimar, Germany
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“Fantastic network and infrastructure monitoring solution that is easy to deploy and easier still to use. Simply the best available.”
“Software is absolutely perfect, Support is superior. Meets all needs and requirements, this is a must have solution if you are needing any form of monitoring.”
“The tool excels at its primary focus of being a unified infrastructure management and network monitoring service.”
Unlimited use of PRTG for 30 days. After 30 days PRTG reverts to the freeware edition.
You can upgrade to a paid license at any time.
Your network at a glance – even on the go
PRTG can be started within minutes and it's compatible with many mobile devices.
PRTG simplifies your day
Our monitoring software works for you and promptly notifies you of potential issues.
It frees you to concentrate on your day-to-day tasks with peace of mind.
PRTG saves time
With PRTG, you get one central monitoring tool for your servers and entire network. Enjoy a quick overview of your whole infrastructure via our dashboard and app.
PRTG saves worry
Customizing PRTG is a breeze. Getting started or switching from another network monitoring tool is easy thanks to the auto-discovery and pre-configured device templates.
PRTG saves money
80% of our customers report substantial or even exceptional cost savings in the area of network monitoring. The experience shows that the costs for licenses have paid for themselves within a matter of weeks.
PRTG: The Swiss Army knife for sysadmins
Adapt PRTG individually and dynamically to your needs relying on a strong API:- HTTP API: Access monitoring data and manipulate monitoring objects using HTTP requests
- Custom Sensors: Create your own sensors for customized monitoring
- Custom Notifications: Create your own notifications to send alarms to external systems
- REST Custom Sensor: Monitor almost everything that provides XML or JSON
Still not convinced?
More than 500,000 sysadmins love PRTG
PRTG is used by companies of all sizes. Sysadmins love PRTG because it makes their job a whole lot easier.
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Monitor your entire IT infrastructure
Bandwidth, servers, virtual environments, websites, VoIP services – PRTG keeps an eye on your entire network.
Try PRTG for free
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PRTG |
Network Monitoring Software - Version 22.3.78.1873 (August 9th, 2022) |
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Hosting |
Download for Windows and cloud-based version PRTG Hosted Monitor available |
Languages |
English, German, Spanish, French, Portuguese, Dutch, Russian, Japanese, and Simplified Chinese |
Pricing |
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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Combining the broad monitoring feature set of PRTG with IP Fabric’s automated network assurance creates a new level of network visibility and reliability.