Open a PuTTY session to your SG300 and use the below command to update the boot image first:Ĭopy tftp://
It’s 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 can’t 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 you’re only interested in doing the update, then I suggest following Chris’ article - otherwise follow me for some CLI and you're going to post the CLI version instructions, right? 😀ĭownload 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 doesn’t feel right to me to use the GUI!
There is only one version of the Cisco TFTP Server (v.1.1) and is supported on Windows 98/Me/2000/XP/ and is no longer supported by Cisco. Professionals tend to prefer FTP servers instead of TFTP, as they overcome a number of security risks and are better for loading images and configuration files. The interface is clean and simple with configuration and monitoring buttons at the top which give you a list of options such as Interfaces, Routing, DHCP Services, Administration and more, allowing you to manipulate the server and stay in control of how it is run.Ĭisco TFTP Server was released in 1995 during a time when no other TFTP server was available as freeware Cisco decided to discontinue the TFTP server due to its vulnerability to a security risk which allowed attackers unauthenticated access to arbitrary files and sensitive information. Cisco TFTP Server is based for Windows and gives users complete control and administration to serve files through the Trivial File Transfer Protocol (TFTP).
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