"apply config" in CUCM 7.x and up

Unanswered Question
Aug 12th, 2010

Im doing a cucm install of 7.x and I notice a "apply config" button at the top by "save", "delete", etc.  So if I save the config, does it not automatically apply it to the configuration?  What is the purpose of the "apply config"?  Is it to apply the configuration you just did without saving it?  Thanks all.

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David Hailey Thu, 08/12/2010 - 08:13

Apply config is similar to what you would see in 4x where when you clicked "Save" you would be prompted to Reset or Restart the device.  Now when you click Save, you are prompted to Apply Config which does a restart to ensure the config is written to the DB.


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jjoseph01 Fri, 08/13/2010 - 14:08

It does a restart?  So if you save it, are the changes applied at that point?  Because Im certain I wouldnt want to restart the server or services for a change?  What was the purpose for that?

David Hailey Fri, 08/13/2010 - 14:12

It doesn't restart the server. It's a restart of the DEVICE...a soft restart of the phone or other component you want. The config is written as soon as you save but some components need a restart/reset to sync up local configs with the DB.

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Aaron Harrison Fri, 08/13/2010 - 14:43

My (non-Cisco design team) take on it is that 'apply config', 'restart' and 'reset' all do the same thing, but to varying degrees of certainty.

Apply Config should do the least amount of resetting possible to apply whatever it is you have changed, but if it doesn't... you'll hit reset anyway.

If you do reset a phone, it won't reset until the phone is on-hook, so it's reasonably unintrusive considering changes shouldn't be that frequent anyway.

If on the other hand, you 'apply config' you would probably still tell your users to expect a reset.

So my advice is... go for the jugular; reset the phone and your latest config will take effect in one bounce.



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iptuser55 Sat, 08/14/2010 - 00:53

From what i`ve read and picked up from  others it seems to be a grey area. It will reset items if it needs a reset otherwise it will not - some sort of intelligence??? however if you have to answer a question from a change control board - "will your change reset items"  what answer do you give?  I agree just reset as before at least you know it is going to reset


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