Event Log......................................................................................................................... 478
Restrictions.......................................................................................................................478
Viewing transceiver information............................................................................................................. 478
Viewing information about transceivers (CLI)..............................................................................480
MIB support.................................................................................................................................480
Viewing transceiver information.................................................................................................. 480
Information displayed with the detail parameter...............................................................481
Viewing transceiver information for copper transceivers with VCT support...........................................485
Testing the Cable........................................................................................................................ 485
Viewing transceiver information............................................................................................................. 487
Using the Event Log for troubleshooting switch problems..................................................................... 488
Event Log entries........................................................................................................................ 489
Using the CLI.............................................................................................................................. 500
Clearing Event Log entries..........................................................................................................501
Turning event numbering on....................................................................................................... 501
Using log throttling to reduce duplicate Event Log and SNMP messages.................................. 502
Log throttle periods...........................................................................................................502
Example: of event counter operation................................................................................503
Reporting information about changes to the running configuration.............................................504
Debug/syslog operation......................................................................................................................... 504
Debug/syslog messaging............................................................................................................ 504
Hostname in syslog messages................................................................................................... 505
Logging origin-id...............................................................................................................505
Viewing the identification of the syslog message sender................................................. 507
SNMP MIB........................................................................................................................509
Debug/syslog destination devices...............................................................................................509
Debug/syslog configuration commands...................................................................................... 510
Configuring debug/syslog operation............................................................................................513
Viewing a debug/syslog configuration.............................................................................. 515
Debug command.........................................................................................................................517
Debug messages............................................................................................................. 517
Debug destinations...........................................................................................................519
Logging command.......................................................................................................................520
Configuring a syslog server..............................................................................................521
Adding a description for a Syslog server.....................................................................................523
Adding a priority description........................................................................................................524
Configuring the severity level for Event Log messages sent to a syslog server......................... 524
Configuring the system module used to select the Event Log messages sent to a
syslog server.................................................................................................................... 525
Enabling local command logging................................................................................................ 525
Operating notes for debug and Syslog........................................................................................526
Diagnostic tools......................................................................................................................................527
Port auto-negotiation...................................................................................................................527
Ping and link tests....................................................................................................................... 527
Ping test........................................................................................................................... 527
Link test............................................................................................................................ 527
Executing ping or link tests (WebAgent)...........................................................................527
Testing the path between the switch and another device on an IP network.....................528
Issuing single or multiple link tests................................................................................... 530
Tracing the route from the switch to a host address................................................................... 530
Halting an ongoing traceroute search.............................................................................. 532
A low maxttl causes traceroute to halt before reaching the destination address............. 532
If a network condition prevents traceroute from reaching the destination........................ 533
Viewing switch configuration and operation...........................................................................................533
Viewing the startup or running configuration file......................................................................... 533
Viewing the configuration file (WebAgent).................................................................................. 534
Viewing a summary of switch operational data........................................................................... 534
18 Aruba 2930F / 2930M Management and Configuration Guide
for ArubaOS-Switch 16.08
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