![]() ![]() There is a very fine line between writing something short-and-sweet and writing something comprehensive while losing the target “market” in the process. Router(s) & switch(es) running “classic” IOS is not covered.9300, 9500 (vanilla & high-performance), ISR 1k, ISR 4k and ASR is not covered.This procedure is aimed at Cisco 3850 switch ONLY.You can also clean up old IOS files that may be left over from the previous version using “install deactivate For more detailed information and additional configuration options and examples check out the Cisco documentation.Cisco 3850: IOS-XE/Firmware Upgrade (Install Mode) Use a show version to verify (verify all the things!) that the stack is running the new version. ![]() Upon reboot the switch stack will be upgraded. Do you want to proceed? Switch upgrade complete! This operation requires a reload of the system. *Jul 23 18:25:03.046: %IOSXE-5-PLATFORM: Switch 1 R0/0: Jul 23 14:25:03 install_engine.sh: %INSTALL-5-INSTALL_START_INFO: Started install activateFollowing packages shall be activated: Install_activate: START Tue Jul 23 14:25: Once this operation completes you’ll get prompted to reboot the switch stack. Next we’ll use install activate to unpack the bin files and add them to the boot config. In this case there was only one additional switch, switch 2. Install add takes the file and copies it to bootflash on all of the switches in the switch stack. Info: Finished copying flash:cat9k_iosxe.16.09.03.SPA.bin to the selected switch(es)įinished initial file syncing - Starting Add -įinished Add SUCCESS: install_add Tue Jul 23 14:21: : Copying flash:cat9k_iosxe.16.09.03.SPA.bin from switch 1 to switch 2 Install_add: START Tue Jul 23 14:19: *Jul 23 18:19:10.806: %IOSXE-5-PLATFORM: Switch 1 R0/0: Jul 23 14:19:10 install_engine.sh: %INSTALL-5-INSTALL_START_INFO: Started install add flash:cat9k_iosxe.16.09.03.SPA.bin install_add: Adding PACKAGE - Starting initial file syncing. However, in this case we use a command to help us with that – install add file C9300-STACK#install add file flash:cat9k_iosxe.16.09.03.SPA.bin ! The following is output from the command Now traditionally you’d have to copy the bin files over to all of the switches in the stack. copy tftp flash:cat9k_iosxe.16.09.03.SPA.bin Sync the file to all the Switches in the Stack You’ll be prompted to enter in the IP Address of your TFTP server – which could simply be your laptop running tftpd. In this case I installing IOS-XE Fuji 16.9.3. Copy the file to the switch stack using copy tftp bootflash. By default when you’re working with a switch stack you’re working on the stack master. Copy the new IOS file overĪs with any other IOS upgrade you have to get the files onto the switch stack. I believe there are some newer commands in IOS-XE that help facilitate and make the process a little easier than in previous versions of IOS. The process is very similar to stacking other switches, if you’re familiar with stacking Cisco switches. I recently had to put together a Catalyst 9300 stack of switches and upgrade the switch stack, so I thought I’d document the process and share it. This article was originally written by A.J. ![]()
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