Nagios at UCAR Pete Siemsen March 20, 2007. What is Nagios? Free network monitoring tool Open source Comes in pieces - use what you need.

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Presentation transcript:

Nagios at UCAR Pete Siemsen March 20, 2007

What is Nagios? Free network monitoring tool Open source Comes in pieces - use what you need

Where is Nagios? Nagios runs on nagman, a dedicated server in ML-29 –1U PC –Debian Linux Backup machine exists –Not configured –Will be installed at Foothills

Who uses Nagios? Anyone with a web browser and a Nagios account –NOC staff –Pete, David, Teresa, Scot, Jeff

What does Nagios do? Monitors 331 network devices Monitors HMTL on access points Monitors BGP on routers Makes noises in the NOC Links to web pages with instructions

What’s good about Nagios? It’s conceptually simple It handles the load It has a web interface It’s extensible It’s not overly noisy

What’s bad about Nagios? Lots of configuration No discovery Manual network hierarchy Doesn’t understand multihomed devices Limited support for SNMP

Demo…