archive download-sw /force-reload tftp://10.1.1.100/cat4500e-universalk9.spa.03.11.04.e.152-7.e4.bin
Upgrading to cat4500e-universalk9.spa.03.11.04.e.152-7.e4.bin from an older image (e.g., 12.2(44)SG or 15.1(2)SG) requires careful planning. cat4500e-universalk9.spa.03.11.04.e.152-7.e4.bin
write memory reload
conf t boot system flash:cat4500e-universalk9.spa.03.11.04.e.152-7.e4.bin end archive download-sw /force-reload tftp://10
This specific maintenance release (152-7.e4) focuses on stability and security over new features. It sits in Cisco’s maturity assessment, meaning it is recommended for production. meaning it is recommended for production.