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 · 11-04-2026

@Thomas Obbekaer Thomsen Latest APSP for 17.18.4a, APSP4, has not incorporated the fix to this bug. No ETA. This bug is not fixed in 17.18.5. No ETA, no promises if this bug will be addressed in APSP.

Leo Laohoo · 11-04-2026

1. Stop using Bundle Mode because Bundle Mode will no longer be supported from 27.1.1 (Cisco IOS XE Bundle Boot Mode Will Be Discontinued After Release 27.01) 2. Upgrade to what version? It is not possible to go from 17.3.X (and earlier) to 17.12....

Leo Laohoo · 11-04-2026

@ShahAlizada wrote:Both partitions corrupt, bootloader inaccessible. If both partitions are corrupt, then RMA the AP.

Leo Laohoo · 11-03-2026

I can download. Try this link: https://software.cisco.com/download/home/286280237/type/282046477/release/Gibraltar-16.12.15

Leo Laohoo · 11-03-2026

3650/3850 switch firmware should be free to download from HERE. Put the firmware into a USB thumb drive formatted to FAT16 and no greater than 16 Gb in size (may need to be partitioned if the size is bigger).

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

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Cisco 3850: IOS-XE/Firmware Upgrade

Cisco ISR & ASR 1k Routers: IOS-XE/Firmware Upgrade (Install Mode)

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Re: Need some advice