C3750e-universalk9-mz.122-55.se12.bin

UniversalK9 , which includes strong cryptographic features and supports the full range of Cisco licensing (IP Base and IP Services).

Unless you need specific features from IOS 15, . c3750e-universalk9-mz.122-55.se12.bin

Save configuration and verify:

The image changed this paradigm. When you install c3750e-universalk9-mz.122-55.se12.bin , you are installing a single image that contains all feature sets. The switch determines what capabilities to unlock based on the license installed on the device. c3750e-universalk9-mz.122-55.se12.bin