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Network Monitoring with Nagios

Network Monitoring with Nagios. Asian Internet Interconnection ... Monitoring Objects in AI3. Status of important network services such as DNS, Mail(POP/SMTP) ...

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Network Monitoring with Nagios

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    Slide 1:Network Monitoring with Nagios?

    Asian Internet Interconnection Initiatives Project Yan Adikusuma Nara Institute of Science and Technology adik-yan@is.aist-nara.ac.jp AI3 Meeting, June 2003, Tokyo, Japan

    Slide 2:Outlines

    Background Nagios Overview Plug-ins architecture Nagios Addons Monitoring objects in AI3 Current Status Summary

    Slide 3:Background

    AI3 network spread over in wide area Japan sites is providing critical infra for the whole AI3 network Main Problem in AI3 : In most cases, system admins don`t aware what`s going on in a network

    Slide 4:Background (contd..)

    One of the solution An open-source and inexpensive monitoring tools which provides, Ability to monitor networks services and host resources Real time notification on failures Informative front end interface

    Slide 5:Nagios Overview

    System and Network monitoring application Monitor a wide variety of system properties (e.g network services, host resources) Real time notification of failures Informative web interface Simple plugin architecture allow user creating custom checks It`s free.. ?

    Slide 6:Plugin Architecture

    Compiled executables or script (perl, shell) Nagios Process (Core Logic) Plugin Remote Resource or Service Local Host Remote Host Plugin Local Resource or Service Call and Return Checking Process check_sample.c #include Main () { Result=check(); Return (result); }

    Slide 7:Nagios Addons

    Executing Plugins from remote host (nrpe) Nagios Process (Core Logic) Plugin Remote resource or service nrpe Local Host Remote Host

    Slide 8:Monitoring Objects in AI3

    Status of important network services such as DNS, Mail(POP/SMTP), HTTP, SSH,SNMP Availability of host resources such as disk usage, load averages and running processes Routing daemons such as zebra, ospf , bgp Routing information such as: Routing number and path availability Routing check plugin on progress..

    Slide 9:Current Status

    Please look at: www.ai3.net/nagios/ Using Nagios version 1.0 and Nagios Plugin 1.3.0 Scope of monitoring area: NAIST and SFC

    Slide 10:Summary

    Nagios provide an easy and flexible way to monitor network`s condition Real time notification offer faster troubleshooting Nagios has been implemented in small part in AI3 Extend the monitoring to partner sites Further information could be found: www.nagios.org

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