I'm planning to implement couple of 3750-E and 2 4507R-E switches. is it possible to use CNA latest version with these switches.
It looks like both of them are supported with version 5. Here is the Data sheet for the Cisco Network Assistant: http://www.cisco.com/en/US/prod/collateral/netmgtsw/ps6504/ps5931/product_data_sheet0900aecd8068820a.html
Yes it is possible. Make sure you are following the configuration guide.
Click on Devices Supported on this page to see your devices. Ver. 5.4 should work for you.
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