FN - 72520 - Some Cisco DNA Center Appliances Shipped Between September 2022 and November 2022 Have Incorrect Firmware Installed - BIOS/Firmware Upgrade Recommended
Cisco 3850: IOS-XE/Firmware Upgrade
(Install Mode)
NOTE:
This procedure is aimed at Cisco 3850 switch ONLY.IOS-XE Bundle Mode is not covered. 9300, 9500 (vanilla & high-performance), ISR 1k, ISR 4k and ASR is not covered. Router(s) & switch(es) r...
NotesA Word from our Sponsors:Introduction:Section 1: General ProcedureSection 2: ROMMON UpgradeSection 3: Cellular Modem Firmware UpgradeSection 4: GOTCHA
Notes
This procedure is aimed at Cisco ISR 1k, ISR 4k and ASR 1k router ONLY.IOS-XE Bundle Mo...
IF the switch is in ROMMON, it is not possible to copy the BIN fine into the flash.
The only options are to boot the firmware from the USB or to use the command "emergency-install usbflash0:filename.bin" to put the packages back into the switch.
@NexCyb wrote:Clients are intermittently losing internet—shows connected but without an IP (Samsung devices), SLOW speeds overall, etc.
Clients are losing their IP addresses?
What does the AP logs say?
@Izmer Henadz wrote:better to have official answer from CISCO support, or official installation instruction
Contact the Cisco AM/SE or raise a TAC Case.