Monitoring hosts and DHCP

[Matt Lozier]

Hi Benny,

Thank you for the reply, but unfortunately I'm not using DNS, and I don't
want to have to :-)

Just want to know if there is a way to monitor hosts that obtain their IP
address via DHCP.

I'll continue to see what I can do with this, and will reply to the list if
I find a solution.

Thanks again,
 

---
Matt Lozier
Network Administrator
972.644.2581, ext. 248
972.661.2701  fax
 

 
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-----Original Message-----
From: nagios-users-bounces at lists.sourceforge.net
[mailto:nagios-users-bounces at lists.sourceforge.net] On Behalf Of C. Bensend
Sent: Monday, November 19, 2007 9:45 AM
To: nagios-users at lists.sourceforge.net
Subject: Re: [Nagios-users] Monitoring hosts and DHCP


> I'm monitoring about 30 machines using Nagios with SNMP checks.  I also
> have
> a DHCP server casting each machine on the network their IP address on
> start-up.  Some machines stay on the majority of the time, others for only
> 4-8 hours a day.  The machines generally maintain their same IP address
> over
> time as DHCP is designed to try and give a machine back it's same IP, so
> long as it's available.  However, there have been times when a machine has
> changed its IP addresses as a result of using DHCP on this LAN.

http://nagios.sourceforge.net/docs/2_0/xodtemplate.html#host

Pay particular attention to the address section...  You can use
the hostname in place of the IP address, at the cost of doing a
DNS lookup when the host is checked.

Benny


-- 
"If it's true that our species is alone in the universe, then I'd
have to say that the universe aimed rather low and settled for
very little."                    -- George Carlin



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