Difference between revisions of "CCNP TSHOOT 642-832/Chapter 1"
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Revision as of 06:41, 6 June 2010
Introduction to Network Maintenance
Contents
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
| 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 |
FCAPS
| Type of Management | Examples of tasks |
|---|---|
| Fault Management | Use network management software to collect information from routers and switches. |
| Send an E-mail alert when CPU utilization exceeds 80 percent. | |
| respond to incoming trouble tickets from the help desk. | |
| Configuration management | Require logging of any changes to hardware or software configurations. |
| Implement a change management system to alert relevant personal. | |
| Accounting management | Invoice IP telephony users for their long distance and international calls |
| Performance management | Monitor network performance for both LAN and WAN links |
| Deploy QoS to utilize limited WAN bandwidth. | |
| Security management | Deploy firewall, VPN and IPS technologies |
| Create a security policy dictating acceptable network use | |
| Use AAA server to validate user credentials | |
| Assign appropriate user privileges | |
| Log user activity |
!
ip ftp username hotbu
ip ftp password F8iJk
!
archive
path ftp://192.168.2.33/R1-config
write-memory
time-period 1440