Tag Archives: software

Software upgrade Cisco Wireless LAN Controller

Start by transfering new code to the Wireless LAN Controller. Initiate predownloading by doing the following. Basically you’re setting the new SW as backup, and telling the APs to download the new SW, before setting the backup SW as primary.

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Software upgrading Catalyst 3850 switch stack

I just had the experience of upgrading a 3850 switch stack. This type of switch has a USB interface which allows for easy(read: faster!) file copying.

Posted in Cisco, IOS, Switch | Tagged , , , , , | Leave a comment