Free tools and resources for ISC DHCP

These are a few of the tools we have heard of, and a few web sites that document more tools.

Please note that it is your responsibility to check the licensing terms of any software you download.  We have not tried all of these, many of them have simply been added on the suggestion of some of our users, so we can’t make any specific claims about suitability or quality.

We welcome suggestions for additions, or deletions (let us know if something we are linking to is inaccurate), or broken links.  Send any suggestions or corrections to web-request at isc dot org.

Tools designed to work with ISC DHCP

Glass – ISC DHCP GUI Monitoring and Alerting

Written by Chris Miles in NodeJS, this new application supports DHCPv4 only (at the moment). MIT licensed. On Github.

ISC DHCP Lease Analysis

Tool for shared network and pool range usage analysis, designed for high performance with a lot of leases. Written in C by Sami Kerola. On Sourceforge.

ISC DHCP Lease Filter

This Python library provides a filter on top of python-isc-dhcp-leases. Martijn Braam.

ISC DHCP SNMP pool tracker

dhcpd-snmp is an extension for the Net-SNMP agent and the ISC DHCP server. It allows you to monitor and track the address usage of your dynamic IP address pools through SNMP. On Github.

BT Diamond IP IPv6 resources

DHCP Probe

dhcp probe attempts to discover DHCP and BootP servers on a directly-attached Ethernet network. A network administrator can use this tool to locate unauthorized DHCP and BootP servers.

ISC Forge

This is an open source validation environment for fully automated validation of  DHCPv4 and  DHCPv6 protocols compliance using Python, Lettuce and Scapy.  The project is hoted on GitHub.

DHCP Resources page from



Last modified: May 1, 2018 at 1:18 pm