About Leo Laohoo

Leo Laohoo · 01-31-2023

@Kasun Bandara wrote:is this is assignment? Yes, this is an assignment.

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 · 05-15-2025

@jake.stewart1 This is the process I would use (and recommend) when upgrading in Install Mode. However, direct upgrade from 16.X.X to 17.12.5 not allowed. Firstly, the ROMMON needs to be upgraded. Next, for the coup-de-gras, it is not documented...

Leo Laohoo · 05-15-2025

@LY19 wrote: I managed to get in rommon mode 1 now. But it is not accepting config-register command. I can not see any confreg set with show version command. We are trying to help so please follow the instruction(s) provided: If the router is in RO...

Leo Laohoo · 05-15-2025

If the router is in ROMMON, post the complete output to the following commands: dir flash: set

Leo Laohoo · 05-15-2025

I would never recommend anyone upgrade to a single-release train, like 17.6.1 or 17.7.1.

Leo Laohoo · 05-15-2025

Cisco DNAC will never (ever) support 3rd party appliances.

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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)

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

Re: Cisco 829 Router

Re: Cisco 829 Router

Re: Upgrade Firmware on Cisco Catalyst C9500 16X Switch Stack x 2

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