topic IOS Upgrade on Cisco 3850 fiber switches using TFTP in Cisco Catalyst Center

IOS Upgrade on Cisco 3850 fiber switches using TFTP

mohsin7666 — Mon, 15 Apr 2019 11:34:29 GMT

Dear Support Team,

How to IOS Upgrade on Cisco 3850 fiber switches using T FTP.

Re: IOS Upgrade on Cisco 3850 fiber switches using TFTP

Mike.Cifelli — Mon, 15 Apr 2019 16:55:36 GMT

Setup your remote tftp server. From command line: copy tftp flash: and answer accordingly. Once the ios is on flash use this:
https://www.cisco.com/c/en/us/support/docs/switches/catalyst-3850-series-switches/117552-technote-cat3850-00.html

Re: IOS Upgrade on Cisco 3850 fiber switches using TFTP

kumaamit — Tue, 30 Apr 2019 21:37:33 GMT

Switch#copy usbflash0:[image name] flash:

And repeat the same command for the second switch

Switch#copy usbflash0:[image name] flash2:

Once done change the boot system to the newly uploaded image

Switch(config)# boot syst switch all flash:[image name]

Then finally reload....