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Catalyst 3750, 3560, 3550, 2975, 2970, and 2960 Switch System Message Guide
OL-8551-04
Chapter 3 Message and Recovery Procedures
ETHCNTR Messages
Explanation An overtemperature condition is detected.
Recommended Action Use the show env privileged EXEC command to check if an overtemperature
condition exists. If an overtemperature condition does exist, place the switch in an environment that
is within 32 to 113°F (0 to 45°C), and m
ake sure that the fan intake and exhaust areas are clear.
Note If a multiple-fan failure is causing the switch to overheat, replace the switch.
ETHCNTR Messages
This section contains the Ethernet controller messages. These messages result from a failure of the
switch software when trying to program the hardware and lead to incorrect switch behavior.
Error Message ETHCNTR-2-MOLSENDTIMEOUT: Molecule send timeout, queue [dec], molecule
[hex] [hex].
Note This message applies only to Catalyst 3550 switches.
Explanation An attempt to read or write one or more of the hardware settings failed.
Recommended Action Find out more about the error by using the show tech-support privileged
EXEC command and by copying the error message exactly as it appears on the console or system
log and entering it in the Output Interpreter tool. Use the Bug Toolkit to look for similar reported
problems. For more information about these online tools and about contacting Cisco, see the
“Error
Message Traceback Reports” section on page 2-7 for more information.
Error Message ETHCNTR-3-FLOWCONTROL_DUPLEX_ERROR: Flowcontrol will not take effect
until duplex is set to auto.
Note This message applies only to Catalyst 3550 switches.
Explanation Flow control cannot be set on the switch in this configuration.
Recommended Action Configure the duplex mode to auto.
