Managing Device Diagnostics
Ethernet Port Testing
ESW 500 Series Switches Administration Guide 423
19
Managing Device Diagnostics
This section contains information for running diagnostic procedures on the switch,
and includes the following topics:
• Ethernet Ports
• GBIC Uplink Ports
• SPAN (Port Mirroring)
• CPU Utilization
Ethernet Port Testing
The
Ethernet 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.
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