The software image is a maintenance release of the Cisco IOS XE 3.6E train. It is specifically designed for the Cisco Catalyst 3850 and Catalyst 3650 series switches.
This universal image supports multiple license levels (LAN Base, IP Base, and IP Services). Features are unlocked based on the license installed on the hardware: cat3k-caa-universalk9.spa.03.06.10.e.152-2.e10.bin
: This is the file extension indicating it's a binary file, which in this context, is the executable software image. The software image is a maintenance release of
: Utilizing Flexible NetFlow (FNF) to identify and prioritize business-critical traffic. ⚡ Resiliency Features are unlocked based on the license installed
Includes RA Guard, DHCP Guard, and IPv6 Source Guard to protect the edge.
Since universalk9 contains both IP Base and IP Services, your license level is determined by the license stored in the switch's eeprom (right-to-use or permanent).