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FAQ Database : Plugins : Monitoring Specific Devices, Operating Systems and Services

Title:How do I monitor DHCP services on my network?
FAQ ID:F0074
Submitted By:Kenn Martin and Ethan Galstad 
Last Updated:10/15/2002

Description:

User would like to monitor DHCP services on the network to make sure clients can obtain dynamic addresses.

 

Solution:

You can monitor DHCP services on your network by using the check_dhcp plugin included in the contrib/ subdirectory of the main plugin distribution. The plugin will probably *not* work with DHCP relays and older BOOTP servers, but you are welcomed to give it a try.

While in the contrib/ subdirectory, type 'make check_dhcp' to compile the plugin.

Note that the plugin *must* best installed suid root in order to run, as it binds to a privileged port (UDP 67) in order to listen to DHCPOFFER packets.

 

Keywords:dhcp bootp