Hello James,
For documentation you need same software version and license type, please, check this requeriments.
- A different number of licenses might be consumed depending on the configuration of the Cisco device such as with Catalyst switches running in StackWise or StackWise Virtual:
Traditional Stack-wise Supported Switches (e.g. Catalyst 9300 series):
Network License: 1 license is consumed per switch in the stack
DNA License: 1 license is consumed per switch in the stack
Modular Chassis (e.g. Catalyst 9400 series):
Network License: 1 license is consumed per supervisor in the chassis
DNA License: 1 license is consumed per chassis
Fixed Stack-wise Virtual Supported Switches (e.g. Catalyst 9500 series):
Network License: 1 license is consumed per switch in the stack
DNA License: 1 license is consumed per switch in the stack
https://www.cisco.com/c/en/us/support/docs/switches/catalyst-9500-series-switches/214484-cisco-smart-licensing-troubleshooting.html
Please rate and mark posts accordingly if you have found any of the information provided useful.
It will hopefully assist others with similar issues in the future.
Best regards,
Lucas Freitas