In Cisco IOS command-line interface (CLI):
enable
debug capwap console cli
delete /f /r flash:update
archive download-sw /overwrite /reload tftp://<location>/<image-name>
https://blog.it-playground.eu/lightweight-ap-manual-firmware-upgrade https://community.cisco.com/t5/switching/ios-update-failed-on-catalyst-c2960s-48lps-l/m-p/2667069/highlight/true#M320770 https://www.cisco.com/c/en/us/support/docs/wireless-mobility/wireless-lan-wlan/107911-ios-upgrade.html#task2
In Cisco Wireless Controller (WLC) Web Interface:
- Check
All APs > * > Interfaces > LAN Ports > [-] Lan Override > Port 1 [-] Enable
. - Disable
Wireless > Access Points > Global Configuration > Flexconnect Arp-Cache
.
https://quickview.cloudapps.cisco.com/quickview/bug/CSCut14210