ZTPStack runs on all Extended Edge switches that have not yet been configured. ZTPStack is a function that either sets up SummitStack, or detects BPEs and sets up MLAG and enables Extended Edge Switching and Exteded Edge autoconfiguration.
With Extended Edge Switching on stacking, ZTPStack prefers stacking operation to MLAG. Controlling bridge capable switches that are normally deployed in stacking environments will default to stacking-support enabled mode.
When stacking-support is enabled (by default on certain switches), ZTPStack will enable Extended Edge Switching upon detection of an attached BPE, but will not reboot the switch. Stacking automation (push button or easy-setup) completes this task.