LibreNMS is an open source, powerful and feature-rich auto-discovering PHP based network monitoring system which uses the SNMP protocol. It supports a broad range of operating systems including Linux, FreeBSD, as well as network devices including Cisco, Juniper, Brocade, Foundry, HP and many more.
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- It auto-discovers a whole network using these protocols: CDP, FDP, LLDP, OSPF, BGP, SNMP and ARP.
- It has a mobile friendly Web UI, with customizable dashboards.
- Supports a Unix agent.
- Supports horizontal scaling to expand with your network.
- Supports a highly flexible and customizable alerting system; sends notifications through email, irc, slack and more.
- Supports an API for managing, graphing and retrieving data from your system.
- Offers a traffic billing system.
- Also supports an Android and iOS apps which offer core functionalities.
- Supports integration with NfSen, collectd, SmokePing, RANCID and Oxidized.
- Supports multiple authentication methods such as MySQL, HTTP, LDAP, Radius and Active Directory.
- Allows for auto updating and many other features.