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DSNM - 01 Introduction to Enterprise Networks, ISO Framework for NM …
DSNM - 01
Introduction to Enterprise Networks
Definition of a Network
Goals of a Network
Considerations
Suitability
Reliability
Scalability
Durability
Network Engineer
Installing
Troubleshooting
Optimizing
Expanding
ISO Framework for NM
(FCAPS)
Configurations
Data
Collection
Automatic
Network Management Protocol
ICMP
Manual
Modification
Storing
Unstructured
Pros
Easily accessed
Easy to Administer
Easy Reading
Cons
More storage Requirement
Slow searchers
Defining relationships is harder
Structured
Pros
Allows Relation of data
Versioning
Efficiency
Cons
Need to learn query languages
Administrative Overloads
Inventory
Components
Configurations
Maintenance History
Benefits
Automatic Data Gathering
Remote Configuration
Central Storage
Inventories / Reports
Security
Aspects
Identify Sensitive Data
Access points / Vulnerabilities
Finding
Securing
Maintain securely
Benefits
Confidence
Performance
Steps
Data Collection
Analize Data
Set Thresholds
Testing (Simulation etc.)
Benefits
Reduced Congestion
Provide usage trends
Accounting
Tasks
Set Quotas
Billing
Gather utilization Data
Benefits
Effective measurement & reporting
Better understand user utilization
Fault Management
Process
Detect symptoms
Isolate the cause
Correct the problem
Methods
Interrupt Driven
Polling
Benefits
Enhanced reliability
Network Management
Functionality
User Interface
Network Map
DBMS / MIB
Query Language
Event Log
Architecture
Centralized
Hierachical
Distributed
Examples
Commercial
HP Openview
SunConnect SunNet Manager
IBM Netview
Freeware
Net-SNMP
OpenNMS