CCNP TSHOOT 642-832/Chapter 1

understanding Maintenance Mode

Introducing network maintenance

• Hardware and software installation and configuration.
• Troubleshooting problem reports.
• Monitoring and tuning network performance.
• Planning for network expansion.
• Documenting the network and any changes made to the network.
• Ensuring compliance with legal regulations and corporate policies.
• Securing the network against internal and external threats.

Proactive Versus Reactive Network Maintenance

• Structured tasks: Performed as a predefined plan.
• Interrupt driven tasks: Involve resolving issues as they are reported.

Well Know Network Maintenance Models

Maintenance models

Model	Explanation
FCAPS	Fault-, Configuration-, Accounting-, Performance- and Security management
	defined by ISO
ITIL	IT Infrastructure Library
	Defines a collection of best-practice recommendations that work together to meet business goals.
TMN	Telecommunications Management Network
	ITU-T variation of FCAPS - See above - specially targeted towards Tele Communication Networks
PPDIOO	Also called Cisco Lifecycle Services (See drawing below

PPDIOO Life Cyclus

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