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SNMP Network Management: The Essentials

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Objectives• Understand the structure and operation of SNMP• Use SNMP to identify faulty devices• Interpret and explain MIB I • Track important variables on your network• Install and configure typical Network

Management package

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Network Management• This is all about monitoring and managing multi-

protocol networks using the SNMP protocol.• This workshop reviews the SNMP protocol

structure, network management applications and query agents.

• Detailed discussion on identifying objects, MIBs and SNMP devices

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Section 1: Introduction• What is Distributed Network Management?• The Need for Network Management• Proprietary vs. Open Approach to Network Management• Elements of A Network Management Architecture• The OSI Model Revisited• What is SNMP?• SNMP Functions and Components• The SNMP Model• SNMP History

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Section 2: Revision of Supporting Network Architecture

• TCP Stack Overview and Layer Responsibilities• Process/Application Layer• Host-to-Host Layer• Internet Layer • Network Interface Layer • Transmission Control Protocol (TCP)• User Datagram Protocol (UDP)• Internet Protocol (IP)• Ethernet

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Section 3: SNMP Overview• What is Simple Network Management Protocol?• The SNMP Model• Manageable Objects• Management Information Base (MIB)• Object Identifier• The SNMP Protocol• SNMP Agents• Abstract Syntax Notation.1 (ASN.1)• Basic Encoding rules (BER)

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Section 4: SNMP v1 Details• Module, Object and Type Definitions• Object Names• Network Management Relationships• Accessing (Identifying and Communicating) Object Instances• SNMP Protocol Data Units (PDUs)

• Get Request• Get Next Request• Set Response• Set Request• Trap Response

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SNMP v1 Details• MIB Structure• MIB Tables• MIB Groups• MIB Definitions• MIB Examples• Private MIBs

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Section 5: Using SNMP

• Network Management System Implementations (OpenView, Solstice, etc)

• Remote Monitoring• What is RMON?

• RMON MIB Extensions

• RMON2

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Using SNMP (cont’d)• Web-Based Network Management (X.700)• Configuration Management

• Accounting Management

• Performance Management

• Security Management

• Fault Management

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Practical Sessions

• Construct a network and identify IP & MAC Addresses with protocol analyser

• Configure the Network Management software• Use Protocol Analyser to decode the messages generated by

Network Management software• Identify and correct problems with LAN configuration• Set Thresholds to cause the agents to generate Traps• Establish baselines and compare LAN performance over

time

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