Hi,I want to downgrade a switch 3750E (WS-C3750E-48TD) with IOS c3750e-universalk9-mz.150-1.SE2.bin to c3750e-ipbasek9-mz.122-53.SE.bin for this integration to the stack.The IOS was uncompressed and, after, block at the instalation :@@@@@@@@@@@@@@@@@...

I would like to make a centralized management of loggin account on my cisco switch (with a radius server). But, on Cisco 3750 E, i use 12.2(44) SE1 IOS and no command aaa authentication login exist.So i wonder if there is a solution. Cisco 3750 can s...