12-08-2016 07:09 AM
Yes all 2920's can be stacked together using the appropriate stacking modules and cables. The 2920 can be stacked up to 4 members in a ring or chain stack topology.
Let me know if you have more questions.
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02-09-2017 08:23 AM
Yes, maximum stacking up to 4 switches, can be mixed as long as 2920 family and recommended using ring topology.
You can reference this document for further configuration