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Cisco Catalyst WS-C4510R+E sensors

Hi,

We have some issues with a switch that is currently overheating.

I don't need help with that problem as we are reviewing the air-conditioning and have a temporary unit on the way.

My question is around the sensors that have issues and what components are actually overheating at the moment.

The particular sensors are XNN and CONAN:-

Module Sensor Temperature Status
------+--------------------------+--------------------+------------
1 Air inlet 54C (56C,68C,71C) ok
1 Air inlet remote 43C (46C,59C,62C) ok
1 Air outlet 52C (66C,76C,79C) ok
1 Air outlet remote 40C (60C,71C,74C) ok
2 Air inlet 58C (56C,68C,71C) warning
2 Air inlet remote 43C (46C,59C,62C) ok
2 Air outlet 54C (66C,76C,79C) ok
2 Air outlet remote 42C (60C,71C,74C) ok
3 air inlet 54C (45C,60C,70C) warning
3 air outlet 53C (61C,76C,86C) ok
4 air inlet 48C (45C,60C,70C) warning
4 air outlet 55C (61C,76C,86C) ok
5 Air inlet 37C (50C,66C,72C) ok
5 Air outlet 57C (73C,80C,92C) ok
5 XPP 105C (101C,120C,123C) warning
5 IFE 66C (65C,90C,120C) warning
5 CONAN 77C (67C,82C,100C) warning
5 CPU 67C (69C,102C,105C) ok
7 air inlet 42C (45C,60C,70C) ok
7 air outlet 48C (61C,76C,86C) ok

Can anyone clarify what XPP and CONAN actually are - these are the main ones with concerning temperatures?

Thanks!

Jon

Rob Leaver

Hi Jon,

The 4510 supervisor cards and its associated line cards have multiple sensors per card, there is no real reference in the world of cisco, what those sensors are referring to- other than the obvious CPU and air inlet.

-CONAN, AIR INLET, XPP ect are all referencing different sensors. to get a better grasp on what component is overheating you can use the following commands:

Show environment status supervisor
Show environment status fantray
Show environment status powersupply

So you could utilize these to check the status of your critical components.
The "show environment temperature" which is the assumed command you used to get that output, is the temperature of the chassis itself.

Either way, no matter the sensor- you could cook an egg on that thing!

FriendlyIT

ASKER

Thanks. No-one seems to know on the Internet either!

I was just using sh env which I assume is just "show environment" but didn't post the whole output.

Will try those other commands though as would be good to get to the bottom of what is being impacted.

Module Sensor Temperature Status
------+--------------------------+--------------------+------------
1 Air inlet 46C (56C,68C,71C) ok
1 Air inlet remote 35C (46C,59C,62C) ok
1 Air outlet 44C (66C,76C,79C) ok
1 Air outlet remote 30C (60C,71C,74C) ok
2 Air inlet 51C (56C,68C,71C) warning
2 Air inlet remote 36C (46C,59C,62C) ok
2 Air outlet 47C (66C,76C,79C) ok
2 Air outlet remote 33C (60C,71C,74C) ok
3 air inlet 47C (45C,60C,70C) warning
3 air outlet 45C (61C,76C,86C) ok
4 air inlet 41C (45C,60C,70C) warning
4 air outlet 47C (61C,76C,86C) ok
5 Air inlet 29C (50C,66C,72C) ok
5 Air outlet 51C (73C,80C,92C) ok
5 XPP 100C (101C,120C,123C) warning
5 IFE 59C (65C,90C,120C) ok
5 CONAN 71C (67C,82C,100C) warning
5 CPU 59C (69C,102C,105C) ok
7 air inlet 34C (45C,60C,70C) ok
7 air outlet 41C (61C,76C,86C) ok

We're not out of the woods, but heading in the right direction now.

Is there any reference that identifies which air inlets are which?

Jon

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FriendlyIT

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