Distributed monitoring: passive host checks

Patrick LeBoutillier patrick_leboutillier at hotmail.com
Fri Jun 13 14:37:19 CEST 2003


Hi all,

I'd like to implement a distributed monitoring environment using the
technique described in the documentation.

What I would like to do is isolate the two environments in such a way that
the only communication occuring
between the 2 different networks is the NSCA stuff. Meaning I don't want the
central server pinging the hosts
that are under the distributed server's "control". The reason for this is
that the gateway between the two networks
is somewhat unreliable and I don't want to be flooded with many (many) HOST
UNREACHABLE and HOST DOWN alerts when the gateway goes down. Doing the
distrubuted thing allows me to check the staleness of one specific service
and raise a single alert when the gateway is down.

All that means I want to get the host check results passively. The
documentation says:

"There are ways to obtain host checks passively, but implementing them is
beyond the scope of what I care to write about at this time. :-) "

Can anyone elaborate on ways of doing this?

---------------------
Patrick LeBoutillier
Laval, Quebec, Canada


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