Note: Make sure you have a console access to the switch before doing the upgrade just in case something goes wrong. That is the process to upgrade the software on the switch. (It will have a star next to it)Ģ- Check if the version you installed if it has any bugs.ģ- Install a TFTP Server on a computer that has access to an IP address on a switch ( example: you can configure a Management IP address using "Int Vlan" command)Ĥ- Check the Flash on the Switch using the "show Flash" command to make sure you have enough space.ĥ- Put the image in the Root Folder of the TFTP Server on your computer.Ħ- Issue a copy RUN to TFTP to make a back up of your configuration.(doing a backup is always good)ħ- Issue a copy TFTP to FLASH to make the image copy to FLASH of the switch.Ĩ- Do a "show run | i boot" to see the boot images on the switch.ĩ- Do "no boot system XXXXX" for the old images basically copy the output of the command in step 8 and just put no at the begining.ġ1- This step is not obligatory but I highly recommend it, you can add back the old image using "boot system OLDIMAGE" it will place the old image as a secondary image just in case for some reason the primary image did not boot.ġ2- Save your changes using "copy run start"ġ4- Use the "show version" to make sure the new version is in place. I will give you the method I use to upgrade the switches L2 or 元:ġ- Install the new image from Cisco's webpage ( -> support ->download), i recommend you not to install the latest one instead install the recommended one. How i can find what are the differents between differ IOS image ? only i need (*.bin) no CMS (*.tar) How i can download latest version of cisco Switch layer 2 (2950, 2960) and layer 3 (3550,3750)? So what is or what are the different between 2 above commands? So my question is for upgrade my ios to newer version can i use both command?and what is different between each CLI?Īrchive download-sw /overwrite /reload tftp: /directory] /image-name1.tar They have run old IOS (i don't know exact version but i am sure they can't support all features and need to upgrade to EI image and newer) Done How do I transfer IOS from one switch to another First you need to get the switch to boot before you can copy IOS. TFTP displays output similar to this example during the file transfer. I have several switch 2950,2960,3550,3750 Access your Cisco device, 'open a TFTP connection to the IP address of your computer', and specify the exact name of the file you want to download.
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