upgrading IOS on Cisco routers and switches is hightly recommendable because of the following reasons. Patch critical vulnerabilities: Just like any other network. Cisco 3560 Series Switch Documents. These Cisco 3560 switch documents offered are intended to instruct in the basics of Cisco 3560 reset, Cisco 3560 setup, Cisco 3560. June 6, 2016. Cisco IOS Release 15.2(2)E runs on Catalyst 3750-X and Catalyst 3560-X switches and on Cisco enhanced EtherSwitch service modules. Here I am listing all the working versions of Cisco IOS which I have tested with the latest version of GNS3. Feel free to download them and use them for your Cisco. Download Cisco Configuration, Cisco Command, Cisco Solution, Cisco Datasheet, Cisco specification, Cisco IOS software at router-switch.com. Revised June 29, 2012. Cisco IOS Release 15.0(1)SE runs on Catalyst 3750-X, Catalyst 3750-E, Catalyst 3650-X, and Catalyst 3560-E switches and on Cisco enhanced.