Management and Configuration Guide K/KA/KB.15.15

Unknown users allowed to login to the switch.............................................................380
System allows fewer login attempts than specified in the switch configuration..................380
TimeP, SNTP, or Gateway problems...............................................................................380
The switch cannot find the time server or the configured gateway..................................380
VLAN-related problems................................................................................................380
Monitor port..........................................................................................................380
None of the devices assigned to one or more VLANs on an 802.1Q-compliant switch are
being recognized...................................................................................................380
Link configured for multiple VLANs does not support traffic for one or more VLANs.........380
Duplicate MAC addresses across VLANs...................................................................381
Fan failure..................................................................................................................381
Using the Event Log for troubleshooting switch problems........................................................382
Event Log entries.........................................................................................................382
Displaying and navigating in the Event Log.....................................................................390
Viewing event logging............................................................................................390
Viewing the event log from the menu.........................................................................391
Navigating in the Event Log in the menu....................................................................392
Clearing Event Log entries............................................................................................392
Turning event numbering on..........................................................................................393
Using log throttling to reduce duplicate Event Log and SNMP messages.............................393
Log throttle periods.................................................................................................393
Debug/syslog operation........................................................................................................395
Debug/syslog messaging..................................................................................................395
Hostname in syslog message.............................................................................................396
Using syslog servers....................................................................................................396
Logging origin-id.........................................................................................................397
Viewing Syslog/debug message sender.........................................................................398
Syslog messages.........................................................................................................399
Syslog messages using UDP, TCP and TLS.......................................................................399
Debug/syslog destination devices......................................................................................400
Debug/syslog configuration commands..............................................................................401
Configuring Syslog/debug operation.................................................................................404
Viewing a syslog/debug configuration...........................................................................405
Debug command.............................................................................................................407
Configuring the types of debug messages that the switch can send to configured debug
destinations................................................................................................................407
Filtering debug messages by debug type........................................................................412
Enabling or disabling syslog messaging.........................................................................413
Logging command...........................................................................................................414
Configuring a syslog server..........................................................................................415
Deleting syslog addresses in the startup configuration......................................................416
Verifing the deletion of a syslog server address...............................................................416
Blocking the messages sent to configured syslog servers from the currently configured debug
message type.............................................................................................................416
Disabling syslog logging on the switch without deleting configured server addresses............416
Sending logging messages using TCP............................................................................416
Disable LinkUp/Down Syslog Messages Based on Port ....................................................418
Creating a Filter.....................................................................................................419
Enabling a Filter after Creation.................................................................................419
Clearing a Filter.....................................................................................................419
Viewing Filter Configuration Information....................................................................419
Adding a description for a Syslog server.............................................................................423
Adding a priority description.............................................................................................423
Configuring the severity level for Event Log messages sent to a syslog server............................424
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