Essential SNMP. 2nd Edition

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• Essential SNMP, 2nd Edition
  • SPECIAL OFFER: Upgrade this ebook with OReilly
  • A Note Regarding Supplemental Files
  • Preface
    • Audience for This Book
    • Organization
    • Whats New in This Edition
    • Example Programs
    • Using Code Examples
    • Conventions Used in This Book
    • Comments and Questions
    • Safari Enabled
    • Acknowledgments for the Second Edition
      • Douglas
      • Kevin
    • Acknowledgments for the First Edition
  • 1. Introduction to SNMP and Network Management
    • 1.1. What Is SNMP?
      • 1.1.1. RFCs and SNMP Versions
      • 1.1.2. Managers and Agents
      • 1.1.3. The Structure of Management Information and MIBs
      • 1.1.4. Host Management
      • 1.1.5. A Brief Introduction to Remote Monitoring (RMON)
    • 1.2. The Concept of Network Management
      • 1.2.1. Fault Management
      • 1.2.2. Configuration Management
      • 1.2.3. Accounting Management
      • 1.2.4. Performance Management
      • 1.2.5. Security Management
    • 1.3. Applying the Concepts of Network Management
      • 1.3.1. Business Case Requirements
      • 1.3.2. Levels of Activity
      • 1.3.3. Reporting of Trend Analysis
      • 1.3.4. Response Time Reporting
      • 1.3.5. Alarm Correlation
      • 1.3.6. Trouble Resolution
    • 1.4. Change Management
      • 1.4.1. Planning for Change
      • 1.4.2. Managing Change
      • 1.4.3. High-Level Process Flow for Planned Change Management
        • 1.4.3.1. Scope
        • 1.4.3.2. Risk assessment
        • 1.4.3.3. Test and validation
        • 1.4.3.4. Change planning
        • 1.4.3.5. Change controller
        • 1.4.3.6. Change management team
        • 1.4.3.7. Communication
        • 1.4.3.8. Implementation team
        • 1.4.3.9. Test evaluation of change
        • 1.4.3.10. Network management update
        • 1.4.3.11. Documentation
      • 1.4.4. High-Level Process Flow for Emergency Change Management
        • 1.4.4.1. Issue determination
        • 1.4.4.2. Limited risk assessment
        • 1.4.4.3. Communication and documentation
        • 1.4.4.4. Implementation
        • 1.4.4.5. Test and evaluation
      • 1.4.5. Before and After SNMP
      • 1.4.6. Staffing Considerations
    • 1.5. Getting More Information
  • 2. SNMPv1 and SNMPv2
    • 2.1. SNMP and UDP
    • 2.2. SNMP Communities
    • 2.3. The Structure of Management Information
      • 2.3.1. Naming OIDs
      • 2.3.2. Defining OIDs
    • 2.4. Extensions to the SMI in Version 2
    • 2.5. A Closer Look at MIB-II
    • 2.6. SNMP Operations
      • 2.6.1. The get Operation
      • 2.6.2. The getnext Operation
      • 2.6.3. The getbulk Operation
      • 2.6.4. The set Operation
      • 2.6.5. get, getnext, getbulk, and set Error Responses
      • 2.6.6. SNMP Traps
      • 2.6.7. SNMP Notification
      • 2.6.8. SNMP inform
      • 2.6.9. SNMP report
    • 2.7. Host Management Revisited
    • 2.8. Remote Monitoring Revisited
    • 2.9. Reverse Engineering SNMP
  • 3. SNMPv3
    • 3.1. Changes in SNMPv3
      • 3.1.1. The SNMPv3 Engine
      • 3.1.2. SNMPv3 Applications
      • 3.1.3. What Does an Entity Look Like?
      • 3.1.4. SNMPv3 Textual Conventions
    • 3.2. USM
      • 3.2.1. The Basics
      • 3.2.2. Discovery
      • 3.2.3. USM Timeliness
      • 3.2.4. Authentication
      • 3.2.5. Privacy
      • 3.2.6. USM User Table
      • 3.2.7. Localized Keys and Changing Keys
    • 3.3. VACM
      • 3.3.1. The Basics
      • 3.3.2. Context Table
      • 3.3.3. Security to Group Table
      • 3.3.4. Access Table
      • 3.3.5. View Tree Family Table
    • 3.4. SNMPv3 in the Real World
  • 4. NMS Architectures
    • 4.1. Hardware Considerations
    • 4.2. NMS Architectures
    • 4.3. A Look Ahead
  • 5. Configuring Your NMS
    • 5.1. HP's OpenView Network Node Manager
      • 5.1.1. Running NNM
      • 5.1.2. The netmon Process
      • 5.1.3. Configuring Polling Intervals
      • 5.1.4. A Few Words About NNM Map Colors
      • 5.1.5. Using OpenView Filters
        • 5.1.5.1. Sets
        • 5.1.5.2. Filters
        • 5.1.5.3. FilterExpressions
      • 5.1.6. Loading MIBs into OpenView
    • 5.2. Castle Rock's SNMPc Enterprise Edition
      • 5.2.1. SNMPc's Map
      • 5.2.2. Discovery and Filters
      • 5.2.3. Discovery Run-Through
      • 5.2.4. Configuring SNMPv3
      • 5.2.5. Loading MIBs into SNMPc
  • 6. Configuring SNMP Agents
    • 6.1. Parameter Settings
    • 6.2. Security Concerns
    • 6.3. Agent Configuration Walkthroughs
      • 6.3.1. Windows Agents (Net-SNMP)
      • 6.3.2. HP OpenView Agent for HP-UX and Solaris
        • 6.3.2.1. Simple configuration
        • 6.3.2.2. Advanced configuration
      • 6.3.3. Net-SNMP for Unix
        • 6.3.3.1. Running the configuration script
        • 6.3.3.2. Creating a configuration by hand
        • 6.3.3.3. Using snmpusm to manage users
      • 6.3.4. Concord SystemEDGE Agent for Unix and Windows
        • 6.3.4.1. Simple configuration
        • 6.3.4.2. Advanced configuration
      • 6.3.5. Cisco Devices
        • 6.3.5.1. Simple configuration
        • 6.3.5.2. Advanced configuration
        • 6.3.5.3. Configuring SNMPv3
      • 6.3.6. APC Symetra
  • 7. Polling and Setting
    • 7.1. Retrieving a Single MIB Value
      • 7.1.1. Using HP OpenView to Retrieve Values
      • 7.1.2. Using Net-SNMP
    • 7.2. Retrieving Multiple MIB Values
      • 7.2.1. Walking the MIB Tree with OpenView
      • 7.2.2. Walking the Tree with Net-SNMP
    • 7.3. Setting a MIB Value
    • 7.4. Error Responses
  • 8. Polling and Thresholds
    • 8.1. Internal Polling
      • 8.1.1. Remote Monitoring (RMON)
        • 8.1.1.1. RMON configuration
    • 8.2. External Polling
      • 8.2.1. Collecting and Displaying Data with OpenView
      • 8.2.2. OpenView Graphing
      • 8.2.3. OpenView Data Collection and Thresholds
        • 8.2.3.1. Designing collections
        • 8.2.3.2. Creating a threshold
      • 8.2.4. Castle Rock's SNMPc
      • 8.2.5. Open Source Tools for Data Collection and Graphing
  • 9. Traps
    • 9.1. Understanding Traps
      • 9.1.1. SNMPv2 Traps
    • 9.2. Receiving Traps
      • 9.2.1. HP OpenView
      • 9.2.2. Using NNM's Event Configurations
        • 9.2.2.1. Selecting event sources
        • 9.2.2.2. Setting event categories
        • 9.2.2.3. Forwarding events and event severities
        • 9.2.2.4. Log messages, notifications, and automatic actions
      • 9.2.3. Custom Event Categories
      • 9.2.4. The Event Categories Display
      • 9.2.5. The Alarms Browser
      • 9.2.6. Creating Events Within OpenView
      • 9.2.7. Monitoring Traps with Perl
      • 9.2.8. Using the Network Computing Technologies Trap Receiver
      • 9.2.9. Receiving Traps Using Net-SNMP
    • 9.3. Sending Traps
      • 9.3.1. Sending Traps with OpenView
      • 9.3.2. Sending Traps with Perl
      • 9.3.3. Sending Traps with Network Computing Technologies' Trap Generator
      • 9.3.4. Sending Traps with Net-SNMP
      • 9.3.5. Forcing Your Hardware to Generate Traps
      • 9.3.6. Receiving Traps with SNMPc
        • 9.3.6.1. Custom trap actions
      • 9.3.7. Using Hooks with Your Programs
  • 10. Extensible SNMP Agents
    • 10.1. Net-SNMP
    • 10.2. SystemEDGE
      • 10.2.1. Extensibility for Unix and Windows
      • 10.2.2. Added Extensibility for Windows
    • 10.3. OpenView's Extensible Agent
      • 10.3.1. Tables
  • 11. Adapting SNMP to Fit Your Environment
    • 11.1. General Trap-Generation Program
    • 11.2. Who's Logging into My Machine? (I-Am-In)
    • 11.3. Throw Core
    • 11.4. Veritas Disk Check
    • 11.5. Disk-Space Checker
    • 11.6. Port Monitor
    • 11.7. Service Monitoring
      • 11.7.1. Web Content
      • 11.7.2. SMTP and POP3
      • 11.7.3. DNS
      • 11.7.4. More Monitoring Suggestions
    • 11.8. Pinging with Cisco
    • 11.9. Simple SNMP Agent
    • 11.10. Switch Port Control
    • 11.11. Wireless Networking
    • 11.12. SNMP: The Object-Oriented Way
      • 11.12.1. Extending SNMP::Info
    • 11.13. Final Words
  • 12. MRTG
    • 12.1. Using MRTG
    • 12.2. Viewing Graphs
    • 12.3. Graphing Other Objects
    • 12.4. Other Data-Gathering Applications
    • 12.5. Pitfalls
    • 12.6. Getting Help
  • 13. RRDtool and Cricket
    • 13.1. RRDtool
      • 13.1.1. Installing RRDtool
    • 13.2. Cricket
      • 13.2.1. Cricket's History
      • 13.2.2. Cricket's Config Tree
      • 13.2.3. Installing Cricket
      • 13.2.4. Configuring and Using Cricket
      • 13.2.5. Gathering Router Data
      • 13.2.6. Command-Line Data Sources
      • 13.2.7. Parallelizing Cricket
      • 13.2.8. Help with Cricket
  • 14. Java and SNMP
    • 14.1. SNMP4J
    • 14.2. SNMP getnext
    • 14.3. SNMP set
    • 14.4. Sending Traps and Informs
    • 14.5. Receiving Traps and Informs
    • 14.6. Resources
  • A. Using Input and Output Octets
  • B. More on OpenView's NNM
    • B.1. Using External Data
    • B.2. Adding a Menu to NNM
    • B.3. Profiles for Different Users
    • B.4. Using NNM for Communications
  • C. Net-SNMP Tools
    • C.1. Net-SNMP and MIB Files
    • C.2. Common Command-Line Arguments
    • C.3. Net-SNMP Command-Line Tools
      • C.3.1. snmpwalk
      • C.3.2. snmpget
      • C.3.3. snmpbulkget
      • C.3.4. snmpbulkwalk
      • C.3.5. snmpset
      • C.3.6. snmptrap
      • C.3.7. snmpdelta
      • C.3.8. snmpdf
      • C.3.9. snmpgetnext
      • C.3.10. snmpstatus
      • C.3.11. snmptable
      • C.3.12. snmpusm
      • C.3.13. snmpconf
      • C.3.14. snmpinform
      • C.3.15. snmptranslate
  • D. SNMP RFCs
    • D.1. SMIv1 Data Definition Language
    • D.2. SMIv2 Data Definition Language
    • D.3. SNMPv3 Protocol
    • D.4. SNMP Agent Extensibility
    • D.5. SMIv1 MIB Modules
    • D.6. SMIv2 MIB Modules
    • D.7. IANA-Maintained MIB Modules
    • D.8. Related Documents
  • E. SNMP Support for Perl
    • E.1. SNMP_Util
      • E.1.1. MIB Management Routines
        • E.1.1.1. snmpmapOID()
        • E.1.1.2. snmpMIB_to_OID()
        • E.1.1.3. snmpLoad_OID_Cache()
        • E.1.1.4. snmpQueue_MIB_File()
      • E.1.2. SNMP Operations
        • E.1.2.1. snmpget()
        • E.1.2.2. snmpgetnext()
        • E.1.2.3. snmpwalk()
        • E.1.2.4. snmpset()
        • E.1.2.5. snmptrap()
    • E.2. Net-SNMP
      • E.2.1. MIB Management Routines
        • E.2.1.1. &SNMP::loadModules(<mod>,...)
        • E.2.1.2. &SNMP::addMibDirs(<dir>,...)
      • E.2.2. SNMP Operations
        • E.2.2.1. snmpwalk
        • E.2.2.2. snmpget
        • E.2.2.3. snmpset
  • F. Network Management Software
    • F.1. SNMP Agents
    • F.2. NMS Suites
    • F.3. Element Managers (Vendor-Specific Management)
    • F.4. Trend Analysis
    • F.5. Supporting Software
  • G. Open Source Monitoring Software
    • G-1. Big Brother
    • G-2. Nagios
    • G-3. JFFNMS
    • G-4. OpenNMS
    • G-5. NINO
  • H. Network Troubleshooting Primer
    • H-1. ping
    • H-2. ipconfig and ifconfig
    • H-3. arp
    • H-4. netstat
    • H-5. traceroute and tracert
    • H-6. nslookup and dig
    • H-7. whois
    • H-8. Ethereal
  • 15. About the Authors
  • About the Authors
  • Colophon
  • SPECIAL OFFER: Upgrade this ebook with OReilly

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