Larger networks

[Hochberg, Keith]

Gert,
 
Read up on nsca and nrpe.  I use nsca for a distributed monitoring
system... although not as spread out geographically as you.. but I have
over 400 hosts defined and 3,300 services.  I use 192-bit encryption and
have had no issues so far.  
 
I would think about things like connectivity and bandwidth when making
your decision on how to proceed.  How is your network set up at your
company?  Do you have one central lcoation which has direct connectivity
to each of your offices?  
 
To answer your question below regarding a distributed nagios server
acting as a stand alone... are you asking if a nagios server can receive
passive checks along with processing active checks itself?  If that is
the question, than yes, it can be done.  You could have your one central
server (which would have to be at an office which had connectivity to
most of your offices) accept passive checks from ceratin offices and do
active checks at other offices.
 
Hope this helps!
 
-Keith

	-----Original Message-----
	From: Gert Lindstrom [mailto:gert.lindstrom at brevik.nu] 
	Sent: Wednesday, September 17, 2003 4:38 AM
	To: Nagios-users at lists.sourceforge.net
	Subject: [Nagios-users] Larger networks
	
	
	Hello group.
	 
	I would like some advice regarding setting up Nagios for
monitoring larger networks.
	 
	We have been running Nagios at our main location for almost a
year. Everyone is quite exited how good it works and the managers now
wants to expand the monitoring to all our locations worldwide.
	 
	Is this possible to do with one Nagios server ?
	 
	Is there a way to "mirror" the Nagios servers ?
	 
	Can a distributed Nagios server also act as a stand alone ? (
some checks to be relayed to the mother server and others not ).
	 
	Is there any special things to take in consideration when
monitoring larger networks.
	 
	To give you som clues about how many servers we want to monitor
here are som numbers:
	 
	Windows servers        about 500 pcs
	AS/400                      about 60 pcs
	Network eqipment       yes :-) lots of switches, routers and VPN
gates.
	Locations                   about 100 spread arund the world in
about 40 countrys.
	 
	 
	 

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