- Trying with APIC-EM to make some generic configuration changes for switches in the network, but unable to find a way, except uploading a brand new full configuration via the PNP API. Is it correct that the APIC-EM controller cannot be used to change any network device configuration parameter.
This option allows you to upload the configuration file from your local machine and supports text format. It supports JSON format files with *.json extension for access point devices. Refer- Configuration Guide for Cisco Network Plug and Play on Cisco APIC-EM - Configuring Cisco Network Plug and Play [Cisco …
APIC-EM cannot modify IOS configuration except policy related and PnP.
The objective of the controller is to abstract network complexity through policy. You express your "intent" and the controller will instaniate it only the network. For example, in EasyQoS, all you need to say is "app1 is Business Relevant", define a scope (through tags) where this policy should be applied, and the controller will do the rest.
There are lots of other non-controller options for pushing generic config snippets.