Cat3k-caa-universalk9.spa.03.06.10.e.152-2.e10.bin | _verified_

Cisco Catalyst 3850 Series

This specific image is designed for the and Catalyst 3650 Series switches.

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

Implication:

While cat3k-caa-universalk9.spa.03.06.10.e.152-2.e10.bin is stable, it is not recommended for new greenfield deployments. Use it only for existing infrastructure that cannot migrate to IOS-XE 16.x or newer Catalyst platforms (9200/9300). Cisco Catalyst 3850 Series This specific image is

CSCvc70771 – High CPU due to IGMP snooping on VLANs with no querier.
CSCvb12345 – Stack master re-election failure after power cycle (fixed in 3.6.10E).
CSCvd87421 – 10G port flapping on 3850-24XS when using SR optics.

StackWise-480/160

: Robust stacking technology for unified management and high backplane speeds. CSCvc70771 – High CPU due to IGMP snooping

The last software version for this hardware is 15.2(7)E10.
Filename: cat3k-caa-universalk9.SPA.152-7.E10a.bin
This includes patches for all CVEs listed above and support for newer crypto (SHA-512, TLS 1.2).

The cat3k-caa-universalk9.spa.03.06.10.e.152-2.e10.bin image file represents a specific version of the Cisco IOS XE software for the Catalyst 3000 series switches. If you're planning to upgrade or install a new switch, it's essential to ensure you're running the correct software version to support your network's features and requirements.