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

:

Delete obsolete IOS files and crashinfo. cat3k-caa-universalk9.spa.03.06.10.e.152-2.e10.bin

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) : Delete obsolete IOS files and crashinfo

designation means it includes strong payload cryptography (standard for modern Cisco gear). 03.06.10.E : This is the IOS-XE version (3.6.10E). : This is the corresponding classic IOS version (15.2(2)E10) mapped to that XE release. cat3k-caa-universalk9.spa.03.06.10.e.152-2.e10.bin

This image is not universal across all Cisco switches. It is tied to specific ASICs.

avoiding any 3.6.x code in production.