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 · 05-07-2026

Yes. Sup720 (non-VSS), for example, came default (pre-CCW) with CatOS. There is a long-winded Cisco document to convert Sup720 to Cisco IOS. I know this fact because I spent several days converting 14 line cards. Look at the new Catalyst 9k swit...

Leo Laohoo · 05-07-2026

Is that the official answer, because, as we know, APDPs are basically a moot point since they were only used for 9130 and 9124! @eglinsky2012, That is the official role of the APDP. Whether or not WNBU &/or developers want to re-write the rules is ...

Leo Laohoo · 05-07-2026

1. Copy the firmware into the active supervisor engine. 2. Copy the firmware into the stand-by supervisor engine. 3. Verify the firmware in the Active supervisor card is not corrupt: verify /md5 bootflash:filename.bin <md5 hash> 4. Verify the...

Leo Laohoo · 05-07-2026

@eglinsky2012 For new APs, the answer lies in AP Device Pack (APDP).

Leo Laohoo · 05-07-2026

For stability, I'd go with 3.6.10. NOTE: For those who do not agree with my recommendation of 3.6.10 vs, for example, 16.12.14 or 16.12.15, the logic is the same. In a few months time, 16.12.14/16.12.15 will enter the end-of-support and no more se...

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

Re: Catalyst 9606r software version election

Cisco 3850: IOS-XE/Firmware Upgrade

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

Coming to a store near you: Cisco Prime Infrastructure 3.9

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Re: Cisco IOS XE Shifts to Bi-Annual Extended Releases in April 2026

Re: Upgrade process for C6807-XL-S6T-BUN in VSS mode

Re: Cisco IOS XE Shifts to Bi-Annual Extended Releases in April 2026

Re: Enquiry on Firmware Upgrade Recommendation