Cimon is a Perl software designed to monitor SNMP-enabled Cisco routers' memory and CPU usage. It's an efficient tool for checking the load.
Cimon continuously monitors and displays the 5-minute CPU utilization in percents as well as the free and used processor memory. It also keeps track of I/O memory on high-end routers, though a graphic is not available for this feature. Regardless, Cimon remains an excellent source of information for monitoring and assessing the health of your router.
In its latest version, Cimon has added the ability to perform IP accounting using the Cisco IP accounting feature. Furthermore, the log files generated by Cimon are compatible with sasacct's accounting statistics, making it a reliable and versatile option.
Cimon's CGI interface and the option to generate graphics on-demand or at a user-defined interval (via crontab and -g option) provide complete control and customization options.
To use Cimon, you will need rrdtool as well as the Net::SNMP and Net::Netmask packages available at CPAN. Search.cpan.org. Fortunately, installation instructions for all the necessary software packages are included, and installation is straightforward.
This latest version of Cimon includes a few notable updates, including graphs in bits per second, a fixed bug with monthly graph creation, and a rewritten graph() function.
Overall, Cimon is a reliable and robust monitoring tool that can help you keep your Cisco routers running safely and efficiently.
Version 0.3: N/A