Steps to upgrade cisco IOS Share on Facebook Post on reddit Tweet on Twitter Share on LinkedIn Home › Forums › Networking › Cisco Routers & Switches How-to › Steps to upgrade cisco IOS This topic has 0 replies, 1 voice, and was last updated 11 years, 6 months ago by lff. Viewing 1 post (of 1 total) Author Posts lffMember Jul 27, 2009 at 12:55 am #143397 Hi, I have a task to upgrade all 3750 switch stack to the latest IOS image. 1. Telnet to the switch stack master 2. Backup the switch config and IOS to tftp copy running-config tftp copy flash tftp 3. download the IOS image from tftp server archive download-sw /overwrite /reload tftp:[[//location]/directory]/image-name.tar Above steps correct??? Just want to make sure upgrade the IOS will not remove settings and config in the switch stacks??? Please kindly advise if I have anything missed. Thanks a lot!:-o Author Posts Viewing 1 post (of 1 total) You must be logged in to reply to this topic.