C3745-adventerprisek9-mz.124-25d.bin Jun 2026

| Field | Value | Meaning | |-------|-------|---------| | | c3745 | Cisco 3745 series router (Modular, 4-slot chassis) | | Feature Set | adventerprisek9 | Advanced Enterprise Services + K9 (cryptographic support) | | Image Type | mz | m = Runs from RAM (not compressed in flash) z = Compressed image (zipped) | | Version | 124-25d | IOS version 12.4(25d) | | Extension | .bin | Binary executable image |

show flash:

This filename follows Cisco’s standard IOS naming convention and refers to a specific operating system for the Cisco 3745 series multiservice access router. c3745-adventerprisek9-mz.124-25d.bin