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DCHP scope usage query?



I am looking to set up a sensor, for the ultimate purpose of reporting, to monitor the number of 'In Use' IP addresses for specific DCHP scopes on our DCHP server. Normally this data can be found by opening the DHCP snap-in on the server, selecting the scope and clicking "Display Statistics..."

Is there a way to monitor this data in PRTG?

dchp network wmi-custom-sensor

Created on Dec 29, 2011 8:29:44 PM

2 Replies




sorry, this is not possible in the moment.

best regards.

Created on Dec 30, 2011 2:32:31 PM by  Torsten Lindner [Paessler Support]



Here is a way to monitor DHCP statistics per scope:

Summary: Monitor DHCP statistics using DHCP MIB.

Steps: 1. Install the snmp service in your DHCP server if not installed, using add/remove windows components. Then go to Network and management tools and install the service.

2. Once the snmp service is installed, click on it, then click on the security tab. Specify the community name and hosts allowed to get snmp info.

3. Check the following link: http://www.oidview.com/mibs/311/DHCP-MIB.html

You will find all the relevant MIB vlaues related to the DHCP scope statistics.





noAddInUse ((Used IPs))

noAddFree ((Available IPs))


4. Add a PRTG "snmp custom" sensor with the MIB value required, and make sure you modify the SNMP credentials.

5. Then You can add notifications and thresholds per sensor.

6. Example: Set a notification to send an email/sms if the number of available IPs are below 10.

Created on May 14, 2013 6:36:49 AM

Disclaimer: The information in the Paessler Knowledge Base comes without warranty of any kind. Use at your own risk. Before applying any instructions please exercise proper system administrator housekeeping. You must make sure that a proper backup of all your data is available.