# LibreNMS Docs

# What does LibreNMS Do?

  • Automatic discovery
    • Automatically discover your entire network using CDP, FDP, LLDP, OSPF, BGP, SNMP and ARP.
  • Customizable alerting
    • Highly flexible alerting system, notify via email, irc, slack and more.
  • API Access
    • A full API to manage, graph and retrieve data from your install.
  • Billing system
    • Generate bandwidth bills for ports on your network based on usage or transfer.
  • Automatic Updates
    • Stay up to date automatically with bug fixes, new features and more.
  • Distributed Polling
    • Horizontal scaling to grow with your network.
  • iPhone App
    • Native iPhone App is available which provides core functionality.
  • Android App
    • Native Android App is available which provides core functionality..
  • More...
    • Extensive device support
    • Mobile friendly Web UI
    • Unix Agent
  • Integration support for
    • NfSen
    • collectd
    • SmokePing
    • RANCID
    • Oxidized
  • Multiple authentication methods
    • MySQL
    • HTTP
    • LDAP
    • Radius
    • Active Directory