I realize this is an old post, but with newer equipment available I need some clarification. The answer specifically states 10/100/100 switches. I was wondering if this still applies to adding a stack member of model WS-C3850-24XU-S using 10GbE to an existing stack of WS-C3850-48U model which has 10GbE SFPs installed for the uplink ports on the network module. Existing stack is currently running IOS ver cat3k_caa-universalk9.SPA.03.03.03.SE.150-1.EZ3.bin. Also, how does this affect which code should be used on the stack?
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