Large-Scale IP Network Solutions (CCIE Professional Development)

Fault Management

The fundamental goals of fault management are to detect, isolate, track, resolve, and record network problems. This certainly is one of the most important areas of network management because major outages are immediately obvious to all users of the network. In the case of large corporations, such outages can literally cost millions of dollars or more per hour.

Automated Polling and GUIs

Polling of network devices offers a very reliable way to detect problems. However, there is a trade-off between the speed with which you want to detect problems and the bandwidth and CPU consumed by the polling process.

The ubiquitous Internet Control Management Protocol (ICMP) “ping,” which is a mandatory part of the IP stack on all devices, ...