Upgrading 3750 switch to 12.2(20)SE3

[g.leonard]

Can anyone tell me where I can find instructions on how to do upgrade my 3750 as I need to put 12.2(20)SE3 on it.

many thanks

[Kevin Dorrell · Accepted solution]

Here are the release notes for 12.2(20)SE, bookmarked at the installation instructions:

http://www.cisco.com/univercd/cc/td/doc/product/lan/cat3750/12220se/ol554701.htm#wp559616

Kevin Dorrell

Luxembourg

[paddyxdoyle]

Hi,

Do you have a TFTP server, if not you can download one from Cisco and install it onto your PC.

I normally use 3cdaemon from 3com which you can google for.

You need to configure your TFTP server to listen to a directory on your PC and then copy the switch image to this directory.

*Also you need to be able to route from your PC to your switch, unless you can connect your PC into the same vlan as your switch management interface*

Other than that follow the release notes as mentioned by kevin

Good luck

Paddy