228 Monitoring and Logging System Information
Configuring Local Logging
Beginning in Privileged EXEC mode, use the following commands to 
configure the type of messages that are logged and where the messages are 
logged locally. 
Command Purpose
test copper-port tdr 
interface
Perform the Time Domain Reflectometry (TDR) test to 
diagnose the quality and characteristics of a copper cable 
attached to the specified port. SFP, SFP+, and QSFP 
cables with passive copper assemblies are not capable of 
performing TDR tests.
  CAUTION: Issuing the test copper-port tdr command 
will bring the interface down.
The interface is specified in unit/slot/port format. 
show copper-ports tdr 
[
interface
]
Display the diagnostic information collected by the test 
copper-port tdr command for all copper interfaces or a 
specific interface.
show fiber-ports optical-
transceiver [
interface
]
Display the optical transceiver diagnostics for all fiber 
ports. Include the 
interface
 option to show information for 
the specified port.
Command Purpose
configure Enter Global Configuration mode.
logging on Globally enables logging.
logging audit Enable switch auditing.
logging cli-command Enable CLI command logging
logging web-sessions Enable logging of the switch management Web page visits.
logging snmp Enable logging of SNMP set commands.