1-14To do… Use the command… RemarksEnter interface view interface interface-typeinterface-number —Disable the port fromgenerating link up/downlogging informationundo enable log updownRequiredBy default, all ports are allowedto generate link up/downlogging information when theport state changes.With this feature applied to a port, when the state of the port changes, the system does not generateport link up/down logging information. In this case, you cannot monitor the port state changesconveniently. Therefore, it is recommended to use the default configuration in normal cases.Displaying and Maintaining Information CenterTo do… Use the command… RemarksDisplay information aboutinformation channelsdisplay channel[ channel-number |channel-name ]Available in any viewDisplay the information of eachoutput destination display info-center Available in any viewDisplay the state of the logbuffer and the log informationrecordeddisplay logbuffer [ reverse ][ level severity | sizebuffersize ] * [ | { begin |exclude | include }regular-expression ]Available in any viewDisplay a summary of the logbuffer (on a centralized device)display logbuffer summary[ level severity ] Available in any viewDisplay the state of the trapbuffer and the trap informationrecordeddisplay trapbuffer [ reverse ][ size buffersize ] Available in any viewReset the log buffer reset logbuffer Available in user viewReset the trap buffer reset trapbuffer Available in user viewInformation Center Configuration ExamplesOutputting Log Information to a Unix Log HostNetwork requirementsz Send log information to a Unix log host with an IP address of 1.2.0.1/16;z Log information with severity higher than informational will be output to the log host;z The source modules are ARP and IP.
