Which IOS name is correct IOS?

[Soon Kwan Kwon]

Hi all,

I have WS-C3750G-24TS-E

My manager want me to upgrade this switch latest version.

So.. the version name I have is "c3750-ipservicesk9-mz.122-55.SE4.bin"

But, is it OK version to upgrade c3750G-24TS-E???

I don't know whether "k9" is supported this device.

Regards,

[Leo Laohoo · Accepted solution]

"k9" means encryption, SSH support, etc. 

Upgrade your IOS to 12.2(55)SE10 for stability.  The 3750G can support this version.