dhcp server IP pool monitoring

W.J.M. Nelis Wim.Nelis at nlr.nl
Wed Mar 12 08:47:52 UTC 2014


> we have 3 dhcp servers.
> dhcp-1: Red Hat Enterprise Linux Server release 6.5 (Santiago): dhcp-4.1.1
> dhcp-2: Red Hat Enterprise Linux Server release 6.5 (Santiago): dhcp-4.1.1
> dhcp-3: Debian GNU/Linux 7 (wheezy):  isc-dhcp-server 4.2.6
> we have 75 C Class IPs and 105 subnets (pool) on dhcp servers.
> i'm looking dhcp server IP pool monitoring tool. we tried solarwinds 
> IPAM, cacti. but they don't work correctly.
> i found some open source script, i want to monitoring (viewing) IP Pools 
> like mrtg, time based and graphical interface
> any ideas? 

If you are using (or are willing to use) Xymon you could use a client-side 
script to monitor the pool utilisation. This script requires (a) access to 
the leases file, (b) a description of all pools handled by the server and 
(c) Xymon to present the results. To give you an idea, the first lines in 
our description are:

#PoolName  Type FirstAddress  LastAddress
N1x-net-k                  f
N1x-net-u                  l

(The type is either "f" for a fail-over pool or "l" for a local pool.)

   Wim Nelis.


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