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How to setup UPS with Cisco 1941 Router to do soft shutdown?

Posted on 2014-03-14
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Last Modified: 2014-03-14
Hello,

I have a Cisco 1941 router attached to a simple UPS.  It works fine if the power only goes out for a little while, but when the power goes out for hours, the UPS fails and my router goes down "hard".  

Is there a way to make a UPS communicate with my Cisco 1941 router and turn it off in the event of a long power outage?  I'm willing to buy UPS hardware if necessary.

Thanks,
Jason
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Question by:SqueezeOJ
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Expert Comment

by:Craig Beck
ID: 39930405
There is no graceful shutdown for a Cisco router as such.  To turn it off you do just that.
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Author Comment

by:SqueezeOJ
ID: 39930446
That's unfortunate.  I believe you, but I feel like I better keep the question open long enough to see if anyone else has any ideas or work-arounds.
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Craig Beck earned 2000 total points
ID: 39930461
No problem.

Here's some further clarification though...

https://supportforums.cisco.com/discussion/10404471/how-safely-turn-cisco-routerswitch

The main reason that there is no specific shutdown procedure as such is largely because the OS runs in RAM therefore there is no file-corruption to anticipate if the device loses power.  The only issue you would possibly face is if configuration changes weren't saved.
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Author Comment

by:SqueezeOJ
ID: 39930469
Thanks, Craig.  You've actually answered my next question, which is why is it that when my router goes down it reverts back to old settings?  Must be because the configuration changes aren't being saved.  Thanks!
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Author Closing Comment

by:SqueezeOJ
ID: 39930473
Went above & beyond in answering question by anticipating what my underlying problem might actually be.  Thanks very much.
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