Heads Up :
The post you are writing will appear in a public forum. Please ensure all content is appropriate for public consumption. Review the employee guidelines for the community here.
Yes, I know is not good news but the members of the stack need to have the same IOS, as per documentation.https://www.cisco.com/c/en/us/td/docs/solutions/Enterprise/Plug-and-Play/software/guide/pnp_apic_em_config_guide_rel1_5_…