Monitoring hosts and DHCP

[C. Bensend]

> 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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