Why is it useful?Questions that need answers:
-- Which devices are talking the most?
-- What is your regular bandwidth usage?
-- ISP meeting your Service-Level agreements?
-- How much data is being sent each day?
-- Is a security threat leaking information?
Introduction & Agenda
• What is NetFlow?• What is Nagios Network Analyzer?
• NetFlow analysis solution
• How does it work?• Why is it useful, how can you benefit?• How can you get started?
What is NetFlow?
What is NetFlow?
Piece of information containingWho?What?When?Where?How?
What is Nagios Network Analyzer?
Nagios Network Analyzer
See What’s Really Happening on Your Network Monitor network traffic & bandwidth Detect intrusions & compromises In-depth analysis Advanced reporting
Defining Terms
DashboardSources & Source GroupsReportsQueriesViewsRaw Data LifetimeNetFlow (can be sFlow, jFlow, etc)
How It Works?Dashboard – What’s going on?
How It Works?Sources – Where the Flows come from
How It Works?
Source
Summary
Report
Queries
Views
Alerting
How It Works?
Source Groups
Source 1
Source 2
Source 3
How It Works?Sources – Where the NetFlow comes from
How It Works?Reports – See important information
How It Works?Queries – Drill down into the data to find answers
How It Works?Views – Everything you need, nothing you don’t
How It Works?
Views – Everything you need, nothing you don’t
Sources with relevant/important data stored
Sources with all data stored
Max Storage
How It Works?Alerting – Let Network Analyzer do the work for you
How It Works?
Integrate with XI – Centralized monitoring of all of your network metrics
How It Works?User Management – Admins take the wheel!
Nagios Network Analyzer
How to Get Started?
60-Day Free TrialFully functional, no limitationsQuickstarts & JumpStart SessionsMore PresentationsNagios.com/products/nagios-network-
analyzer
Questions?
Thank You!