1. 歸類於Network Maintenance的工作
    1. Hardware and software installation and configuration
    2. Troubleshooting problem reports
    3. Monitoring and tuning network performance
    4. Planning for network expansion
    5. Documenting the network and day changes made to the network
    6. Ensuring compliance with legal regulations and corporate policies
    7. Securing the network against internal and external threats
  2. 網路維護工作可被分為二類
    1. Structured tasks
    2. Interrupt-driven tasks
  3. 眾所皆知的網路維護方法
    1. FCAPS
      1. Fault Management
      2. Configuration Management
      3. Accounting Management
      4. Performance Management
      5. Security Management
    2. ITIL: IT infrastructure Library
    3. TMN
    4. Cisco Lifecycle Services
  4. 日常維護工作
    1. Configuration changes
    2. Replacement of older or failed hardware
    3. Scheduled backups
    4. Updating Software
    5. Monitoring network performance
  5. 進行網路設定變更應注意事項
    1. Who is responsible for authorizing various types of network changes
    2. Which task should only be performed during scheduled maintenance windows
    3. What procedures should be followed prior to making a change
    4. What measureable criteria determine the success or failure of a network change
    5. How will a network change be documented, and who is responsible for the doucmentation
    6. How will a rollback plan be created, such that a configuration can be restored to its previous state if the changes resulted in unexpected problems
    7. Under what circumstances can formalized change management policies be overriden, and what (if any) authorization is required for an override
  6. 通常會紀錄在網路文件中的資訊
    1. Logical topology diagram
    2. Physical topology diagram
    3. Listing of interconnections
    4. Inventory of network equipment
    5. IP address assignments
    6. Configuration Information
    7. Original Design Document
  7. 為了快速從設備故障中回復網路,平時應準備好下列材料
    1. 另一台相同的硬體
    2. 相同的軟體,以及設定還有授權檔
    3. 設備的組態檔備份
  8. 以下指令可以設定每天備份組態檔
    archive
    path ftp://192.168.1.1/R1-config
    write-memory
    time-period 1440
  9. logging ip_address 可以將log送往syslog server
  10. 監控網路效能的理由
    1. Assuring compliance with an SLA
    2. Trend Monitoring
    3. Troubleshooting performance issues

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