ISC DHCP server: how many IPs are in use?

Question

I'm wondering what is the correct way to count how many IPs are in use in my network according to the dhcpd process.

Is it just a matter of counting "binding state active" lines in dhcpd.leases file? Or it is something more complicated?

Thanks in advance.

score 1 · Answer 1 · answered Mar 04 '11 at 12:49

1

You could use ReportDHCP which parses your dhcp.leases file and provides you with a report that should give you what you are looking for.

answered Mar 04 '11 at 12:49

Bryan

MoonMoon · Answer 2 · 2016-10-24T14:36:35.137

0

dhcpd-pools is probably what you want.

Example: dhcpd-pools -c 'path-to-dhcpd.config' -l 'path-to-lease-file' -L11 -sp -r

Explanation: It prints 'Range Headers' and 'Ranges' with '-L11' and then sorts recursively on 'percent' with '-sp -r'

edited Oct 24 '16 at 14:36

answered Oct 24 '16 at 14:25

MoonMoon

score -3 · Answer 3 · edited Mar 18 '16 at 00:30

-3

use at the command-line: Netsh dhcp server scope 192.168.1.0 show clients

edited Mar 18 '16 at 00:30

Daniel

answered Mar 17 '16 at 23:02

JGrave

`netsh: command not found` – kasperd Mar 18 '16 at 00:03
1

JGrave, this question is not about Windows DHCP. – Daniel Mar 18 '16 at 00:29

3 Answers3