Now the image has been copied to flash but is not yet active, use âsh bootvâ to list the versions available:Ĭheck which filename is the new version and ânot activeâ and then use the following command to activate it next boot: Once the switch has rebooted, SSH back in and upload the firmware package:Ĭopy tftp://your switch will reboot a couple of times during the process so make sure nothing important is happening on the network - I shut down my whole lab environment. Itâs a pretty good idea at this point to back up your switch configuration and current firmware/boot image. Itâs worth noting that the rfb file is a boot image, and the ros file is the firmware image. You need a TFTP server set up - I like Open TFTP Server but there are plenty of other free ones around - just unzip the firmware package from Cisco and place the two files (.ros and. Note: You canât go directly from version 1.1.2 to 1.4.0.88 - you have to use 1.3.7.18 as an intermediate update If youâre only interested in doing the update, then I suggest following Chrisâ article - otherwise follow me for some CLI and you're going to post the CLI version instructions, right? â¡Äownload the latest firmware from Cisco (at present. I found an article by Chris Wahl which ran through the steps required to do it via the GUI. For some reason I prefer configuring the SG300 from the command line - a hangover from my old networking days I suppose, but somehow it doesnât feel right to me to use the GUI! take care when following any guidance to ensure you have up-to-date recommendations. This article is now 8 years old! It is highly likely that this information is out of date and the author will have completely forgotten about it.
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