How to add a switch to an existing Cisco C2960X stack without breaking everything

Jerome Tissieres Hardware, Layer-2 January 9, 2018

A Cisco C2960X stack can have up to 8 members, however there is only one master on the stack. Adding a switch to the stack without taking a few precautions can have disastrous consequences. Prerequisites First, all stack members must run the same Cisco IOS software image. The same means also the same feature-set. Then,
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