05-17-2022 06:36 AM
Hi
we have just pucharced two C1000-48T-4G-L and both of them have an abonormal fan behavior, an annoying fan oscillation. FAN speed increases and decreases without a real reason
i have upgraded from IOS 15.2(7)E4 to OS 15.2(7)E6: no changes
upgraded CCP for Catalyst to 1.8.3: no changes
do you see the same behavior on yours? any suggestion?
thanks!
05-17-2022 07:02 AM
how is your environment ? is this cooled environment, is the switch installed external ?
what is the logs shows ? what is the temprature ?
05-17-2022 07:35 AM
they are settiing on my desk, 24 °C
logs dont show anything I can relate to this issue
05-17-2022 04:02 PM
@stefanoV wrote:
they are settiing on my desk, 24 °C
The switch is not meant for desktop installation.
Get a fanless switch, like 3560CX or MicroSwitch.
05-18-2022 01:56 AM
24 °C
is this outout from switch, where are you going to install after setup done at desk.
Can you post complete output :
# show environment all
#show environment last
try configure environment, see any logs
monitor environment temperature {history | low celsius | high celsius | notifies | syslog}
05-18-2022 09:03 AM
yes, 24* C is room temp.
once ready, the switch will be installed in a rack as usual
Logs are ok:
SWITCH: 1
SYSTEM FAN SPEED is OK
SYSTEM TEMPERATURE is OK
System Temperature Value: 46 Degree Celsius
PHY Temperature Value: 37 Degree Celsius
DDR Temperature Value: 42 Degree Celsius
System Temperature State: GREEN
Yellow Threshold : 67 Degree Celsius
Red Threshold : 70 Degree Celsius
SWITCH: 1
PID: Built-in
System Power:(Watts) 60
Max Power Usage:(Watts) 54
Maximum Heat Dissipation: (Watts) 44
Power Supply Status: Good
05-18-2022 09:05 AM
I would like a feedback from another owner of this switch model (if any
thanks
11-02-2022 07:58 AM
Hi, i have the same problem, I'm investigating to understand the problem, any updates?
11-14-2022 06:52 PM
I've just installed two of the same units and am experiencing the same issue. Did you resolve the issue with your units. The two units were replacements for two C2960x switches which were pretty silent except when first booting up.
11-14-2022 10:52 PM
hi, I'm investigating with technical support, they tell me about a possible hardware problem, I think of a failed stock
11-14-2022 11:36 PM
12-27-2022 02:13 PM
they sent me a new switch but it has the same problem, I'm really angry about this, it's not acceptable by a company like Cisco, I'm seriously considering losing money and switching to Aruba.
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