Using the BayStack 450 10/100/1000 Series Switch3-86 302401-D Rev 00The Event Log screen provides the following information:• Software download: Indicates the new software version.• Authentication failure: Indicates any attempted SNMP get or set access thatspecified an invalid community string.• TELNET session status: Indicates various TELNET events. (For details onconfiguring this feature, see “TELNET Configuration” on page 3-75.)• Operational exception: Indicates that the microprocessor has received anexception at the specified vector number and dumps stack registers.• Excessive bad entries: Displays excessive bad entries detected by firmware.• Write threshold: Displays event entries that exceeded the write threshold.• Flash update: Displays status of flash updates.Excessive Bad EntriesIf the firmware detects excessive bad entries in the event log’s flash memory(errors exceeding 75 percent of the memory buffer), the event log is cleared (allentries are discarded) and an event entry is displayed in the Event Log screen.Figure 3-36 shows an example of the event log entry for this type of event.Figure 3-36. Sample Event Log Entry Showing Excessive Bad EntriesWrite ThresholdTo extend the lifetime of the event log’s flash memory, a write threshold is set foreach event entered in flash memory. The write threshold is 20 entries for eachevent. If any event exceeds the write threshold, an event entry is displayed in theEvent Log screen.Entry Number: 4 sysUpTime: 00:20:53 Reset Count: 2Excessive bad entries in log, Event Log cleared.kombk.book Page 86 Tuesday, June 29, 1999 3:25 PM