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Chapter 10 Nagios Integration
NAGIOS INTEGRATION
Introduction
Nagios is a powerful, highly extensible open source tool for monitoring network hosts and services. The
core Nagios software package will typically be installed on a server or virtual server, the central Nagios
server.
Console servers operate in conjunction with a central/upstream Nagios server to distribute and monitor
attached network hosts and serial devices. They embed the NSCA (Nagios Service Checks Acceptor) and
NRPE (Nagios Remote Plug-in Executor) add-ons—this allows them to communicate with the central
Nagios server, so you won’t need a dedicated slave Nagios server at remote sites.
The console server products all support basic distributed monitoring. Additionally, the Advanced Console
Server (LES1408A, LES1416A, LES1432A, LES1448A, LES1308A, LES1316A, LES1332A,
LES1348A,LES1208A-R2, LES1216A-R2, LES1232A, LES1248A-R2) family supports extensive customizable
distributed monitoring.
Even if distributed monitoring is not required, the console servers can be deployed locally alongside the
Nagios monitoring host server, to provide additional diagnostics and points of access to managed
devices.
SDT for Nagios extends the capabilities of the central Nagios server beyond monitoring, enabling it to be
used for central management tasks. It incorporates the SDT Connector client, enabling point-and-click
access and control of distributed networks of console servers and their attached network and serial
hosts, from a central location.
Note If you have an existing Nagios deployment, you may want to use the console server gateways in a
distributed monitoring server capacity only. If this case and you are already familiar with Nagios,
skip ahead to section 10.3.
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