I have a WS-C3750G-24T-E that is currently running the following version of IOS which I believe is an EMI image; c3750-i5-mz.121-19.EA1d.
Now, I would like to upgrade this to gain some of the additional features, especially around port security, but have been very confused by the feature sets. If I use the software advisor and select the EMI feature set I get directed to download c3750-i5-mz.12.2-20.SE3 which is not available.
Can anyone please help me to understand what these feature sets are and which ones are compatible with my hardware.
Yes there are restrictions. There are feature set restrictions and IOS version restrictions. It is best to talk to your Cisco reseller if you have one to find out what you are entitled to and what you need to pay for.
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