Threshold Monitoring.

[Ben Browning]

Thomas Earl wrote:
> Is there anyone that is using Nagios to monitor things like port errors
> and port utilization or could recommend what to do? 

There are a number of cool SNMP utils to be found at:
http://www.silfreed.net/download/progs/nagios/

I am using the check_snmp_if and check_snmp_counter to do this- the 
snmp_counter checkcommand (which I had to write to the author to obtain, 
since I could not find an example) is:

define command {
         command_name    check_snmp_crc_int
         command_line    $USER1$/check_snmp_counter -H $HOSTADDRESS$ -C 
$ARG1$ -w 0,25 -c 0,50 -f /usr/local/nagios/var/counters $ARG2$
         }

In the check_snmp_if package there's an autogeneration tool that will 
walk your routers and build configs such that all ints in UP/DOWN state 
return criticals. That same tool will set up the crc_int checks above as 
well, but be warned it does not seem to care whether or not the 
interface is a loopback, vlan, or other non-crc-havin' interface.

Hope that helps!

-- 
    Ben Browning <benb at theriver.com>
      The River Internet Access Co.
       Senior System Administrator
1-877-88-RIVER  http://www.theriver.com


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