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New Member

ASR9K - Command to Check Fan Speed and Fan Version ?

Hello

Could you let know how I could check the Fan Speed setting and fan version on a Cisco ASR9k running 4.2.3

Regards

Sreenath

1 ACCEPTED SOLUTION

Accepted Solutions
New Member

Re: ASR9K - Command to Check Fan Speed and Fan Version ?

admin show environment fans

admin show diag fans

6 REPLIES
New Member

Re: ASR9K - Command to Check Fan Speed and Fan Version ?

admin show environment fans

admin show diag fans

New Member

Re: ASR9K - Command to Check Fan Speed and Fan Version ?

Mark Thanks!

New Member

Re: ASR9K - Command to Check Fan Speed and Fan Version ?

Mark ... Could you let know the range of fan speeds and its relation to the temperature on the chassis

What is the maximum fan speed for the fans

Regards

Sreenath

New Member

Re: ASR9K - Command to Check Fan Speed and Fan Version ?

Hi Sreenath,

I don't remember the maximum speed of the fans but if you if have a lab chassis you can find out by temporarily removing one fan tray - the other will operate at maximum speed.

The fan speed is dependent on the number and type of cards present, not just the temperature of the chassis.

There is a description here:

http://www.cisco.com/en/US/docs/routers/asr9000/hardware/overview/guide/asr9kOVRGfuncdescription.html#wp849153

New Member

Re: ASR9K - Command to Check Fan Speed and Fan Version ?

Mark Thanks !

Regards

Sreenath

Cisco Employee

ASR9K - Command to Check Fan Speed and Fan Version ?

Hi Sreenath,

Here are the normal ranges for the 9006 and 9010.

9006 7000-13000 RPM

9010 3400-6400 RPM

There are different failure / alarm scenarios. These are some of the more common ones that come to mind.

When an individual fan hits 0 or is beyond +- 30% of the set value we raise an alarm. (Note that we set the speed for the whole tray but there will typically be variation in individual fans).

If 1 of the trays is removed then the other tray will go to maximum speed.

HTH,

Sam

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