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SpeedFan SNMP Extension


This tool is a LGPL licensed SNMP Extension Agent DLL that accesses the SHM section that SpeedFan exports at runtime and exports them to the following OIDs:

OID Description
. Temperature count
. Fan speed count
. Voltage count
. Temperatures
. Fan speeds
. Voltages



Cacti sample image 1


Cacti sample image 2



This projects Subversion repository can be checked out with the following instruction:

svn co http://deve.loping.net/svn/sfsnmp/trunk/

You can also browse the repository here: http://deve.loping.net/svn/sfsnmp/trunk/

Write access

If you want write access to the repository, contact the author and he will consider your request based on your reasons. All commits to the repository will be monitored and, if necessary, reverted. If you just want to contribute a single patch, you can also send it to author by email (patches are preferred against the latest development version).


This project is licensed under the following license:

GNU Lesser General Public License version 2.1 (LGPLv2)


  • Axel Gembe


There are 4 comments:

No avatar

#1 Nov. 18, 2010, 9:08 p.m.
Posted by: Axel G. (Ago)

There is a fix available for the issues on Vista and later here:


I will release this as an official version soon.

#2 Dec. 9, 2010, 4:05 p.m.
Posted by: Russell U. (Russell)


Your agent only appears to work whilst SpeedFan is running and in fact requires SpeedFan to be running before your agent starts.

Have I got this correct?


#3 Jan. 18, 2011, 9:43 p.m.
Posted by: die p. (diegomp777)

Hi, i installes the speedfan and the extension, but i dont see it work. how can i configure the trap destination of that oids?? Thanks diego

#4 April 23, 2013, 5:26 p.m.
Posted by: apple123

How to integrated with opennms?

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