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...
@Translator wrote:blinking green ( communicating ) and suddenly starts blinking orange for a few moments and then flashes green normally.
Potentially duplex/speed mismatch errors and this would cause CRC counters to increment.
That will depend on how complicated the AireOS configuration is. Ours is fairly complicated and when we used the tool, the configuration that came out was "dodgy".
We ended up configuring a controller (one out of six) from scratch and used that as...
@Senbonzakura wrote:What is the best practice when it comes to using DAI, UDLD, and BPDU Guard together?
UDLD:
1. Use UDLD on fibre optic ports ONLY -- Never use UDLD on copper ports. 2. Never enable auto-recovery of ports in error-disable due to...