How to upgrade software on a Cisco 3850 Switch | Recover Password | Configuration Backup | Restore Configuration
This short post will show you how to upgrade the software on a single Cisco 3850 switch or a 3850 stack, using TFTP and USB. The process is very easy but it is a bit different than the usual software image of previous switches i.e 3750 etc. The main difference is the Cisco 3850 switch run IOS-XE so you have to copy the .bin file to the flash on the switch and then install the software on the switch. Download the required image from cisco.com Begin the install Reboot the switch Step 1 copy the new image to the 3850 3850-SW1# copy tftp flash Address or name of remote host []? 10.1.1.100 Source filename []? cat3k_caa-universalk9.SPA.03.03.01.SE.150-1.EZ1.bin Destination filename [cat3k_caa-universalk9.SPA.03.03.01.SE.150-1.EZ1.bin]? Accessing tftp://10.1.1.250/cat3k_caa-universalk9.SPA.03.03.01.SE.150-1.EZ1.bin… Loading cat3k_caa-universalk9.SPA.03.03.01.SE.150-1.EZ1.bin from 10.251.226.253 (via Port-channel1): !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!...