Hello,
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.
Question:
When I write the host macro for a given machine, e.g:
define host{
host_name random_machine
address 192.168.1.100
check_command check_ping
}
Is there a way to have nagios use a variable to read its address rather than
keep the address static? This would allow me to have a script scan the
network, and assign IPs to a given variable which is then read by the host's
*.cfg file in the /etc/objects directory.
Any and all advice is appreciated.
Thank you,
---
Matt Lozier
Network Administrator
972.644.2581, ext. 248
972.661.2701 fax
<http://www.spindletopoil.com/>
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