The Stacking Tool now supports the new Universal 7000 series models (7520 and 7720)! The Stacking Tool is used to verify stacking hardware compatibility and software requirements for Extreme models that run EXOS and SwitchEngine. This tool has been around for many years and continues to be updated due to its popularity and usefulness.
It can be accessed directly via the link above and is also accessible via the Portal homepage under Support Tools as shown here: