Managing Device Diagnostics
Viewing Integrated Cable Tests
Cisco Small Business SFE/SGE Managed Switches Administration Guide
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Managing Device Diagnostics
This section contains information for configuring port mirroring, running cable
tests, and viewing device operational information, and includes the following
topics:
•
Viewing Integrated Cable Tests
•
Performing Optical Tests
•
Configuring Port Mirroring
•
Viewing CPU Utilization
Viewing Integrated Cable Tests
The
Copper Ports Page
contains fields for performing tests on copper cables.
Cable testing provides information about where errors occurred in the cable, the
last time a cable test was performed, and the type of cable error that occurred.
The tests use Time Domain Reflectometry (TDR) technology to test the quality and
characteristics of a copper cable attached to a port. Cables up to 100 meters long
can be tested. Cables are tested when the ports are in the down state, with the
exception of the Approximated Cable Length test.
To test cables: