Reader Tip - The 'write default' command

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Fri, 05/20/2011 - 15:32
May 4th, 2011
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Special thanks to Alex McDonald for sharing his favorite tip:


My favorite tip is the ‘write default’ command on autonomous wireless access points, it  simplifies manual conversion of a WAP with a static ip address to a LAP  with a DHCP address.


This saved a lot of time when we were migrating a  couple of hundred access points. Originally we tried issuing the ‘write  erase’ command but then the device keeps its existing static IP address.  Since we were migrating the WAPs from a management vlan across to an  access point vlan it was necessary to lose the static ip. By using the  'write default' command it saved several steps.


Unfortunately I only  discovered it existed towards the end of the migration.





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Leo Laohoo Wed, 05/18/2011 - 17:11
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Nice one Slim! 

kyle woodhouse Fri, 05/20/2011 - 15:32
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Hi, I just wanted to clarify what exactly this does.  I looked through the command refrence guides for the 1130, 1240, and 1140 units but this command is not listed.  Maybe its a hidden command im not sure.


It does work on my 1242.


ap#write ?

default-config  Erase NV memory, IOS Environment Variables


And it looks like what it does is a combo of write erase and delete flash:env_vars

Basically allows you to erase both of those in one command. Just wanted to make sure i understood all of what it does.  Nice tip, thanks :)

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