Aruba switches stacking methods

To form one logical switch following Aruba switch models support stacking 2930M, 2930F, 3810M, 5400R, CX6200, CX6300, CX6400, CX8000.

Aruba has following stacking methods
1. Dedicated backplane stacking – called “fabric stacking”
2. Frontplane stacking – Virtual Switching Framework (VSF)
3. Independent control plane – Virtual Switching Extension (VSX).

Switches 2930M and 3810M supports fabric stacking and
2930F, 5400R, CX6200 and CX6300 supports VSF.

VSX is supported on CX6400 and CX8000 switches.

Links:

VSX:
https://www.arubanetworks.com/assets/tg/TB_VSX.pdf

Fabric stack and VSF:
https://community.arubanetworks.com/HigherLogic/System/DownloadDocumentFile.ashx?DocumentFileKey=fdfe116d-c9bf-4136-9c83-73217f9b2646