Learning Objectives

After successfully completing this section, you should be able to

  1. describe network management.
  2. explain the fundamental issues of network management.
  3. explain how a network administrator may benefit from having appropriate network management tools.
  4. list and describe the five areas of network management.
  5. list and describe the principles of network management.
  6. explain some standards for network management.

Learning Tasks

Required:

  1. Watch the slideshow for this section.
  2. Study Section 5.7, Network Management and SNMP, NETCONFIG/YANG, in the textbook.

Terms and Topics

Section 7 – Network Management and SNMP, NETCONF/YANG

Networking management
Benefits from using network management tools
Detecting failure
Monitoring hosts
Monitoring traffic
Detecting rapid changes in a routing table
Monitoring for SLAs
Intrusion detection
Five areas of network management
Performance management
Fault management
Configuration management
Accounting management
Security management
Infrastructure for network management
Managing entity
Managed device
Managed objects
Management information base (MIB)
Network management agent

The simple network management protocol (SNMP)
The Internet standard management framework
Structure of management information (SMI)
SMI base data types
SMI higher-level constructs
MIB modules
Standardized MIB modules
SNMP protocol operations and transport mappings
Request-response mode of SNMP
Trap message
Polling mode of SNMP
SNMP applications
User-based security is SNMPv3 security
ISO standard ASN.1
Presentation service
Basic encoding rules (BER)
Type, length, value (TLV) approach

Leading Questions

  1. What is network management?
  2. What are the responsibilities of a network administrator?
  3. What are the potential benefits of network management tools?
  4. What devices can be managed on a network?
  5. What is a service-level agreement (SLA)?
  6. What five areas of network management are defined by the ISO network management mode? What are the principal components of network management architecture?
  7. What is the OSI CMISE/CMIP?
  8. What is the Internet simple network management protocol (SNMP)?
  9. What is the Internet management framework?
  10. What is the structure of management information (SMI)?
  11. How is management information defined in SMI?
  12. What language constructs does SMI provide?
  13. What is a management information base (MIB)?
  14. What is the request response mode of SNMP?
  15. What is a trap message?
  16. What are SNMP applications?
  17. What does SNMPv3 provide?
  18. What is ASN.1 and what does it provide?