Hi ,
Since you are using LMS 3.2 , if you remove all the device from CS (commmon service ) this will remove all the devices from other application like DFM , RME , Campus etc...
so it would be like a fresh install , are you really want to do this ...?
For device discovery option , you can't run the discovery on a particular subnet ,if you want some specific subnets not to be discovered then you can use the EXCLUDE or filter setting to exclude them.
for more details , you can check the below link::
https://supportforums.cisco.com/document/33526/understanding-lan-management-solution-lms-discovery
Thanks-
Afroz
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Thanks-
Afroz
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