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I have an CE507 with software version 4.1.1 , I need to upgrade it to ACNS-5.5.11.2-K9 , but before I think it should be upgraded to 4.2.1 and then to 5.x the problem is I am unable to find 4.2.1 or later anywhere , I just have ACNS-5.5.11.2-K9 . I ...
Hi RahulFirst thanks for the answer , second unfortunately I have not a cisco account to download the software , I will ask from my friend who recently takes his CCIE to know if he can download it or not , anyway thanks again.RegardsFarshid
