08-04-2014 08:39 PM - edited 03-07-2019 08:16 PM
Right now WS-C4506-E is having current as IOS cat4500e-ipbase-mz.122-46.SG.bin.
I just need to know if there are any challenges in upgrade the IOS of modular switch from 12.x ipbase to 15.x entservicesk9.
If there are any challenges, then any possible suggestion to over come it?