Heads Up :
The post you are writing will appear in a public forum. Please ensure all content is appropriate for public consumption. Review the employee guidelines for the community here.
FN - 72520 - Some Cisco DNA Center Appliances Shipped Between September 2022 and November 2022 Have Incorrect Firmware Installed - BIOS/Firmware Upgrade Recommended
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...
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...
@nimraarshad846 wrote:Networking fundamentals that are essential for cybersecurity
Proverbial chicken-and-egg dilemma.
Not many organization will hire a "cybersecurity" person with "fundamentals" knowledge or skills.
@Anup Hegde wrote:install add file bootflash:c1100-universalk9.17.18.04.SPA.bin activate commit
If following the Cisco "recommended" firmware upgrade method, please be aware of CSCwk54116, CSCwn57797, CSCwq80600.
Alternatively, Cisco ISR & ASR 1k R...
What firmware is the router currently on? There is a hidden "feature" if the router makes a jump from 17.3.X (and earlier) to 17.12.X (and later), without going through an intermediate jump to either 17.6.X or 17.9.X, the router will go into an unco...