Monitoring a Large-Scale Network: Selecting the Right Tool Sayadur Rahman United International...
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Transcript of Monitoring a Large-Scale Network: Selecting the Right Tool Sayadur Rahman United International...
Monitoring a Large-Scale Network: Selecting the
Right Tool
Sayadur RahmanUnited International University
&Network Manager, Financial
Service
OutlineSample Network TopologyNetwork Monitoring Tools
◦Cacti◦WhatsUpGold◦NetFlow
Comparisons among NMS tools
Cacti: Graphical Monitoring Solution• Cacti is a complete open source network graphing solution
based on RRDTool's data storage and graphing functionality. • Cacti uses template for creating customizable graph based on
defined data source• Frontend of Cacti is PHP driven and use MySQL as database
Cacti Features Performance Monitoring Device Health Monitoring Robust Interface Graph Trend Analysis Capacity Planning Long Term Data Storage Template Based Graph
Generation
WhatsUpGold Network Performance MonitorIPSWITCH WhatsUpGold is a powerful network monitoring software that quickly detects, diagnoses and resolves network performance problems & outages.
WhatsUpGold NPM Feature Network Availability & Performance Monitoring
Intelligent Network Alerting based on Statistical Network Thresholds & Baselines
Hardware Health Monitoring
Dynamic and Customizable Network Mapping
Network Capacity Planning
Automated Web-based Network Device Discovery
NetFlow Features Reports on Network Bandwidth usage
Traffic
Applications, Conversations, Port, Protocol
User monitoring Application monitoring Network planning and trend analysis Traffic engineering Accounting and billing Security monitoring and network forensic
What is an IP Flow? Each packet that is forwarded within a router or switch is examined for a set of IP packet attributes. Traditionally, an IP Flow is based on a set of 7 IP packet attributes.
IP Packet attributes used by NetFlow:
IP source address
IP destination address
Source port
Destination port
Layer 3 protocol type
Class of Service
Router or switch interface
Common NMS Feature and Functionality Performance Monitoring Fault Management Security Monitoring Network Mapping Trend Analysis Capacity Planning Configuration Management Change Management Accounting Management Alert / Notification Syslog/ Trap
NMS Comparison
NMSBusiness Size
DeploymentUser Interface
Feature/Service
Licensing
Interoperability
Platform
Data Storage
Price
Cacti
Mid-Large Enterprise
Client- ServerGraphical UI
Performance Trend AnalysisCapacity Planning
Open Source (GPL)
Yes - PluginLinuxUnixWindows
RRDToolMySQL
Free
WhatsUpGold
Mid-Large Enterprise
Client- ServerGraphical UIConsole
Performance Trend AnalysisCapacity PlanningTopology MapDashboardAlert, Syslog/Trap
Commercial
Yes, with native Packages
Windows MS SQLMedium Price
NetFlow Analyzer
Mid-Large Enterprise
Client- ServerGraphical UI
Traffic AnalysisCapacity PlanningDashboardNetwork ForensicAlert
Commercial
Yes, with native Packages
WindowsLinux
MS SQLMySQL
Medium Price