overwrite OK to overwrite an existing image no-version-check skip version check that prevents incompatible image install no-set-boot Don't set BOOT - leave existing boot config alone leave-old-sw Leave old sw installed after successful sw upgrade force-ucode-reload Upgrade UCODE after successful sw upgrade and before an unconditional reload force-reload Unconditionally reload system after successful sw upgrade directory Specify a directory for images allow-feature-upgrade Allow installation of image with different feature sets
Issue the show flash: command mentioned above to verify the amount of free memory – it must be sufficient to upgrade. It is the only needed file if you want to manage switches or cluster of switches through a web interface.
The TAR file is an archive file from which you can extract both the IOS image and the CMS files during the upgrade process. We can disinguish two main methods to upgrade the IOS: We can also send the file to the other side for backup in the following way:Ģ137 bytes copied in 0.07 secs (22000 bytes/sec)Ħ4317364 bytes total (53027856 bytes free) We can verify that the newer version of IOS is being used. Switch(config)#boot system įinally, we have to save the configuration using the write memory command and restart the device using the reboot command. We have to do this, because otherwise the old version of IOS would be loaded. The last step is to configure the switch to load the new version of IOS.
Source filename ? ĭestination filename ?ġ3013140 bytes copied in 11.04 secs ( 1183012 bytes/sec) Configure the switch to load the new IOS version.Īddress or name of remote host ? x.x.x.x.Use the copy ftp flash command and follow the wizard.To do this, create an username and password by using the ip ftp username and ip ftp password. As we mentioned before you have to provide the username and password that were already created on the FTP server.In order to use FTP transfers the following steps are required:
In comparison to TFTP, FTP supports authentication, and you will need to provide a valid FTP server username and password.
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