Bandwidth Utilisation by Nagios Clients to Nagios Server

[Hugo van der Kooij]

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Matthew Macdonald-Wallace wrote:
| On Wed, 16 Jul 2008 13:06:48 +0530
| "Sanappan, Ravi" <Ravi.Sanappan at nielsen.com> wrote:
|
|> I am a new user to this group. We are planning to implement Nagios in
|> different geographies, as part of which I need
|> *** Approximate bandwidth usage by the Nagios clients to the Nagios
|> server ( If the Nagios server is in Malaysia, and the clients are
|> available in Thailand, Indonesia, Vietnam ). This is required for
|> calculating the available bandwidth. Any help will be highly
|> appreciated
|
| I don't have any figures to hand specifically for Nagios, however we're
| running it across 40-odd servers, some of which are using residential
| ADSL lines for connectivity, and the Nagios traffic certainly isn't
| noticeable during day-to-day useage.

Well it depends on what you do with Nagios and even what you considere
to be a nagios client in this context.

If I have 40 workstations all looking at the nagios webpage and doing an
auto refresh every 60 seconds I need quite a bit of bandwidth.

If you mean Nagios polling 40 remote systems in a NRPE or NCSA setup
then you may need hardly any bandwith at all.

So understand what you are doing. Then test and measure certain aspects
based on your intended setup. There is no substitute for understanding
Nagios very well before you can even make an educated guess of the
bandwith requirements of a specific setup. There are just too many
variables. (Do you poll once a day or every minute? Will you use
check_http to get a 10kB index file or just use a HEAD instead of a GET?
Will you be using SNMP to get all info about all 48 ports of that
switch? Do you ......)

Hugo.

- --
hvdkooij at vanderkooij.org               http://hugo.vanderkooij.org/
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