Archive for the tag 'mrtg'



Feb 05 2013

No SNMP Response from Fortigate Firewall

Published by under Fortinet

SNMP protocol is used to get a lot of metrics on most network hardware. I configured SNMP on the internal interface of a Fortigate 100D from Fortinet, and even though the enable checkbox is ticked, I am getting a timeout running cfgmaker (to configure MRTG) or snmpwalk. No SNMP response from the Fortigate. I do […]

One response so far

May 16 2009

Graph Number of Freeradius Sessions with MRTG

Published by under Freeradius,Monitoring

You can easily graph Freeradius number of active sessions with a simple shell script, if you store accounting data in a SQL database. Use the script below for Mysql that you can easily adapt to other databases like Oracle or PostgreSQL. Check the complete list of supported databases by Freeradius.  A certain number of sessions […]

No responses yet

Apr 10 2009

Monitor and Graph AS400 Resources with SNMP

Published by under AS400,Monitoring

AS400 CPU and memory resources can be retrieved with the SNMP protocol if SNMP service has been enabled. Values are not directly exploitable and need to be worked on before being displayed. All of these commands were executed on a Linux server. Check your Linux distribution to install snmpwalk that probably has a package for […]

3 responses so far

Mar 19 2009

Graph Only One Value in MRTG

Published by under Monitoring

MRTG needs at least 2 values to generate graphs. Thus, Most configurations contain the same OID twice in the target line. This leads to 2 problems: – The same data is collected twice which requires more bandwidth, especially when a large number of hosts is monitored – The value may vary during this very short […]

One response so far