The Cisco StackWise-80/160 pr ovides stacking of up to eight Cisco Cat - alyst 9200 Series switches with the optional Cisco StackWise-80/160 Modules . Mixed stacking is not supported. You cannot stack fixed (Catalyst 9200L) with modular (Catalyst 9200) models, or other Catalyst switches, e.g., Cisco Catalyst 2960-X and 2960-XR Series.