Large networks ?

Subhendu Ghosh sghosh at sghosh.org
Wed Mar 17 01:25:39 CET 2004


You can probably assume around 400bytes payload for remote plugins
(executed under NRPE, check_by_ssh, etc) - per service, per try.  
SNMP plugins and others that do network based queries like check_http will 
generate a bit more traffic that is query dependent.

You will not necessary save bandwidth by using SNMP.  It is just another 
method getting information...

-sg

On Wed, 17 Mar 2004, Justin Hennessy wrote:

> Hi all,
> 
> On this question I was wanting to know how Nagios is with regards to
> bandwidth. I have alot of customers that I deal with and I was wondering
> what the bandwidth consumption would be for monitoring remote networks?
> 
> Also would I conserve bandwidth by only using checks with SNMP?
> 
> Justni
> 
> >>> Andrew Barker <andrew.barker at nottingham.ac.uk> 16/03/2004 7:29:01
> pm >>>
> I have 3 nagios machines all of which monitor different things, I
> monitor all my windows servers on one box (68 hosts, 350 services).
> The other 2 machines have 2 nagios installations on (they are a
> failover
> pair), which monitor different things for historical reasons, they
> monitor about 60 hosts and 300 services each, they run on a pentium
> III
> 700 and check most services every 5 or 10 minutes, the load rarely
> gets
> above about 0.30 despite the fact they all have web severs as well.
> (actually I suspect the load would rarely gets above 0.05 but they run
> X
> so they can give a live display of the status in the server room)
> Hope this is the sort of size you had in mind, I would be quite happy
> running all of the host monitoring under one installation (about 180
> hosts and 1000 services) on my PIII
> 
> Andy
> 
> On Mon, 2004-03-15 at 18:04, nadine.vandois at bull.net wrote:
> > Hi,
> > 
> > I have installed Nagios on small networks, and now, I would like to
> get
> > some idea on how many servers (servers, routers) and services, Nagios
> can
> > monitor.
> > And, in this case, which configuration is required, and what are the
> > performances.
> > 
> > May someone give some information on this subject ?
> > 
> > Has someone got experience by monitoring large networks ?
> > 
> > 
> > Any information you can give is most welcome.
> > Thanks in advance for your help.
> > 
> > 
> > Nadine VANDOIS
> > 
> > 
> > 
> > 
> > 
> > 
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