About Leo Laohoo

Leo Laohoo · 12-20-2022

FN - 72520 - Some Cisco DNA Center Appliances Shipped Between September 2022 and November 2022 Have Incorrect Firmware Installed - BIOS/Firmware Upgrade Recommended

Leo Laohoo · 10-28-2022

Read the Release Notes very carefully and go with 17.6.4.

Leo Laohoo · 11-17-2021

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...

Leo Laohoo · 06-30-2021

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...

Leo Laohoo · 12-22-2020

Product Overview: Cisco Prime Infrastructure 3.9 Release Notes: Cisco Prime Infrastructure 3.9 Software Download: Cisco Prime Infrastructure 3.9 Oracle Patch: Cisco Prime Infrastructure 3.9

Leo Laohoo · 05-03-2026

That was lucky. I had a look and the boot-up process has password-recovery enabled. I suspect the USB-to-Console adapter is playing.

Leo Laohoo · 05-02-2026

@Mark Elsen For Realtek RTL88xx, the wireless NIC driver should be, at a minimum, 6001.10.352.0 (and later). Refer to CSCwf03870. For Intel-based AX2xx, the wireless NIC drivers should be 22.200.2.1 (and later) or 22.220.0.0 (and later). Refer to...

Leo Laohoo · 05-02-2026

Post the complete output the boot-up process of the switch. I suspect some "genius" has disabled password-recovery.

Leo Laohoo · 05-02-2026

CSCwa31596 Is the issue happening to Intel (CSCwe50033) or Realtek wireless NIC (CSCwf03870)?

Leo Laohoo · 05-01-2026

What firmware is the WLC on? What AP model is this problem occuring?

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FN-72520 -Some Cisco DNA Center Appliances Have Incorrect Firmware

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