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<!--
title: "ISC DHCP monitoring with Netdata"
custom_edit_url: https://github.com/netdata/netdata/edit/master/collectors/python.d.plugin/isc_dhcpd/README.md
sidebar_label: "ISC DHCP"
-->
# ISC DHCP monitoring with Netdata
Monitors the leases database to show all active leases for given pools.
## Requirements
- dhcpd leases file MUST BE readable by Netdata
- pools MUST BE in CIDR format
- `python-ipaddress` package is needed in Python2
It produces:
1. **Pools utilization** Aggregate chart for all pools.
- utilization in percent
2. **Total leases**
- leases (overall number of leases for all pools)
3. **Active leases** for every pools
- leases (number of active leases in pool)
## Configuration
Edit the `python.d/isc_dhcpd.conf` configuration file using `edit-config` from the Netdata [config
directory](/docs/configure/nodes.md), which is typically at `/etc/netdata`.
```bash
cd /etc/netdata # Replace this path with your Netdata config directory, if different
sudo ./edit-config python.d/isc_dhcpd.conf
```
Sample:
```yaml
local:
leases_path: '/var/lib/dhcp/dhcpd.leases'
pools:
office: '192.168.2.0/24' # name(dimension): pool in CIDR format
wifi: '192.168.3.10-192.168.3.20' # name(dimension): pool in IP Range format
192.168.4.0/24: '192.168.4.0/24' # name(dimension): pool in CIDR format
wifi-guest: '192.168.5.0/24 192.168.6.10-192.168.6.20' # name(dimension): pool in CIDR + IP Range format
```
The module will not work If no configuration is given.
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