Although SNMP polling is a great way to monitor the health of your network infrastructure it is impractical to poll every object on every device. Trap notifications can cover this visibility gap and provide immediate notification on network events.
One area where Nagios is severely lacking is bandwidth utilization monitoring of network devices. Since I already have a fully-functioning Cacti server and a scaled up Nagios server, I wrote my own python plugin to do the job. (more…)
Nagios is a scalable, flexible. and powerful Network Monitoring solution that pairs well with graphing tools such as Cacti or MRTG. In this post I’ll share templates and configuration files to get you started with monitoring Cisco routers, switches, and security devices. (more…)