82 INFORMATION C ENTERCONFIGURATIONWhen configuring information center, go to these sections for information you areinterested in:■ “Information Center Overview” on page 1005■ “Configuring Information Center” on page 1009■ “Displaying and Maintaining Information Center” on page 1015■ “Information Center Configuration Examples” on page 1015Information CenterOverviewIntroduction toInformation CenterActing as the system information hub, information center classifies and managessystem information. Together with the debugging functionality, information centeroffers a powerful support for network administrators and developers inmonitoring network performance and diagnosing network problems.n By default, the information center is enabled. An enabled information centeraffects the system performance in some degree due to information classificationand output. Such impact becomes more obvious in the event that there isenormous information waiting for processing.The information center of the system has the following features:Classification of system informationThe system is available with three types of information:■ Log information■ Trap information■ Debugging informationEight levels of system informationThe information is classified into eight levels by severity and can be filtered bylevel. More emergent information has a smaller severity level.Table 76 Severity descriptionSeverity Severity value Descriptionemergencies 0 The system is unavailable.alerts 1 Information that demands prompt reactioncritical 2 Critical informationerrors 3 Error information