I will use the new feature " port security" in cat4006 with sup3. now I must download new ios S4KL3-12113EW . I can find the download file in CCO is such as "c4500-i-mz.121-13.bin ". but in release notes, the file is "cat4000-is-mz.121-13.EW.bin", I don't know where can I download it? please give the URL about download S4KL3-12113EW ios.
S4KL3-12113EW is a part number and only used for ordering. c4500-i-mz.121-13.bin is for 4500 router and not Cat4k switches.The correct image name would start with cat4000.....I suggest that you upgrade to
cat4000-is-mz.121-13.EW1.bin which can be downloaded from
We are pleased to announce availability of Beta software for 16.6.3. 16.6.3 will be the second rebuild on the 16.6 release train targeted towards Catalyst 9500/9400/9300/3850/3650 switching platforms. We are looking for early feedback from custome...