Host parenting and notification supression...

[Eric F Crist]

Hello folks!

We've made sure to set up the host parenting so that it correctly  
reflects our network layout.  I was under the impression that, should  
a link fail, nagios would automatically assume the hosts behind it  
were unreachable and, thus, supress the extra (obvious?) notifications.

For example, I have a network like this:

			HOST 1  ---- NAGIOS_HOST
			   ^
			  / \
		HOST 2	-     - HOST 3
		   ^
		  / \
          HOST 4 -     - HOST 5

In the above diagram, if HOST 2 goes down, shouldn't the notifications  
for HOST 4 and HOST 5 be suppressed, or if HOST 1 goes down, HOSTs  
2-5?  If that's not the way it works, any idea on how to get this  
behavior?  We have a large network and when a T1 or something goes  
down, I'd like one notification: HEY! T1 is down, rather than 334 as I  
did this past weekend for every host and service behind that T1.

Thanks for the pointers!
-----
Eric F Crist
Secure Computing Networks



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