: Specifies that the image is a "memory-resident" file that is compressed and executed from RAM.
Support for SSH (3DES), Layer 2 switching, and minimum DRAM requirements of 64MB. Filename Breakdown: : Platform family. : Feature set (LAN Base with strong encryption). : Indicates the image runs from RAM and is compressed. 150-2.SE11 : Major version 15.0, release 2, special edition 11. Maintenance and Lifecycle Old Catalyst 2960 upgraded IOS, but not bootloader? c2960lanbasek9mz1502se11bin exclusive