This command will start the nano text editor and open the TFTP config file, located in the etc/xinetd.d directory. Next, while still in the terminal, navigate to the following file using the text editor: $ sudo nano /etc/xinetd.d/tftp In order to do so, install the following packages from down bellow: $ sudo apt install xinetd tftpd tftp We need to have a TFTP server and a TFTP client on our PC. Just in case, here are the pictures of the necessary cables, the adapter and the picture of how most console ports looks like on Cisco devices.įor this process we’re going to use the TFTP protocol to transfer our IOS firmware image from our PC to the Cisco switch. In order to upgrade firmware on the Cisco switch or any other switch, there are few requirements that are necessary for this procedure: We will be using a method via tftp server and protocol in order to upgrade our switch. Also, for this tutorial, we will be using Cisco Catalyst 3560G – 48PS switch as an example, but the process is same for any other Catalyst switches. The entire upgrade procedure will be done in GNU/Linux and using Linux tools.
Like it’s said in the title, our working environment will be a GNU/Linux distro. We’re going to cover the procedure how to upgrade firmware on a Cisco switch, or if you prefer more, how to upgrade IOS on a Cisco switch. Upgrade firmware on a Cisco switch in GNU/Linux | Tutorial
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