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 · 06-05-2023

@ming19770318 wrote: flash:at9k_lite_iosxe.17.03.06.SPA.bin The filename is incorrect. It should be flash:cat9k_lite_iosxe.17.03.06.SPA.bin

Leo Laohoo · 06-05-2023

@jimairwalk007 wrote: Do you mean if I cannot my server with switch using fiber cable is safety? May I know why? And can you give me a solution? Peering into an active optic port without wearing a laser safety glass can cause permanent and irreversa...

Leo Laohoo · 06-04-2023

What? Connect BOTH power supplies to the same UPS? Is that even wise?

Leo Laohoo · 06-04-2023

@jimairwalk007 wrote:2. check laser light is visible in each SFP in switch and server side - No light in both side IMPORTANT: Peering into the optics without using the proper safety equipment is not good.

Leo Laohoo · 06-04-2023

Just RMA the AP. The 1800 is known to to be (very) prone to hardware failure.

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Re: Build 2 Router Network Topology

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)

Re: upgrade failed:not valid file or cannot be handled by install CLI

Re: Intel(R) Ethernet Converged Network Adapter X710 and C3850-NM-10G

Re: UPS insertion for Cisco WS-C4507R

Re: Intel(R) Ethernet Converged Network Adapter X710 and C3850-NM-10G

Re: Hardware Faulty for AIR-AP1852I-S-K9C