| Platform | Supported | Notes | | :--- | :--- | :--- | | | Yes | All variants (24/48 port, PoE/non-PoE, uplink modules) | | Cisco Catalyst 3850 | Yes | All variants, including 12/24/48 port, and 3850-12S/SFP | | Cisco Catalyst 3850 VSS | No | 3.6.x does not support VSS (introduced in 16.x) | | Cisco 3850 with NM module | Partial | Some NM features may require newer code |
, a feature that allowed these switches to act as wireless controllers. Note that this architecture was phased out and is not supported beyond Cisco IOS XE Denali 16.3.x. Feature Set "universalk9"
train. For many years, it was considered a "Gold Star" or "Suggested" release by Cisco because of its stability compared to earlier 3.x versions. However, this train has since reached End of Life (EoL) cat3k-caa-universalk9.spa.03.06.10.e.152-2.e10.bin
switch# show version | include System image file switch# show license status switch# show stack
Integrates wireless controller functionality directly into the switch. Stacking Technology: | Platform | Supported | Notes | |
designation indicates it contains the full feature set (LAN Base, IP Base, or IP Services) which is unlocked via specific licenses. Lifecycle and Security Context
This article is a complete deconstruction of that file. We will parse its naming convention, explain its features, identify its target hardware, and discuss its security implications, upgrade paths, and lifecycle status. For many years, it was considered a "Gold
If your switch boots into (recovery mode) after upgrade, you likely have insufficient DRAM. The Cat3K "CAA" requires 512 MB DRAM minimum . Update your DRAM before attempting this image.