MRTG
MRTG is an open source network monitoring software. It tracks traffic load on network links and creates graphs to visualize utilization over time. Useful for monitoring bandwidth usage.
network
monitoring
utilization
graphs
open-source
MRTG: Open Source Network Monitoring Software
MRTG tracks traffic load on network links, creating graphs to visualize utilization over time, useful for monitoring bandwidth usage.
What is MRTG?
MRTG (Multi Router Traffic Grapher) is an open source software application used to monitor network bandwidth utilization on routers and switches. It collects traffic statistics from network devices via SNMP and graphs the data to visualize utilization over time. Some key features of MRTG include:
- Graphs interface bandwidth utilization in 5 minute increments, showing peaks and valleys.
- Monitors both inbound and outbound traffic on an interface.
- Generates HTML pages containing graphs that refresh automatically.
- Allows long-term analysis of link utilization to predict future bandwidth needs.
- Free and open source tool that runs on Linux, Windows, and other platforms.
- Interoperates with routers, switches, servers and other SNMP capable devices from Cisco, Juniper, and others.
MRTG is commonly used by network administrators for capacity planning and identifying abnormal traffic patterns. The visual graphs can clearly show bandwidth hogs and help diagnose bottlenecks. With long term data collection and trending, MRTG makes it easier to predict when network links may need more capacity.
MRTG Features
Features
- Graphical representation of network traffic
- Monitoring of router and switch interfaces
- Tracking of bandwidth utilization over time
- Threshold-based alarms
- Support for SNMP devices
- Web-based interface
Pricing
- Open Source
Pros
Open source and free
Easy installation and configuration
Intuitive web interface
Flexible graphing and data visualization
Wide range of supported devices
Alert notifications
Cons
Limited scalability for large networks
Steep learning curve
Dependency on SNMP
No longer actively developed
Official Links
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