Hi,in case a device isn't identified by ExtremeControl because it isn't in the database you'd create your own DHCP fingerprint.I've run into the issue that my Amazon Kindle Fire HDX6 wasn't identified correctly 2years ago so here my notes for that example....Thanks to Scott from the GTAC for helping me to solve the issue !!!1) trace a DHCP request from the deviceWhat we are looking for is the OUI of the device and option#55 (parameter request list) in the bootstrap protocol.
The OUI is 00:BB:3A and option#55 requests items are 1,33,3,6,15,26,28,51,58,592) create the fingerprintWith the above information Scorr created the following fingerprint for me...http://www.amazon.com"; comments="" author="firstname.lastname@example.org" lastmodified="2015-07-30">3) import the fingerprintOpen the legacy NAC manager (I haven't found the option it in the web GUI) and right click on "All Access Control Engines" in the upper left and select "Appliance Settings" and "Device Type Detection"Click the "Edit" button for "DHCP Fingerprinting Definition Overrides:" and paste the new fingerprint in the window and save.Now you'd need to enforce the changes to the NAC.!!! Changes won’t take effect until NAC sees another DHCP Discover or Request !!!Here a link to a KB article that is very helpful...https://extremeportal.force.com/ExtrArticleDetail?an=000078311BTW, I'm not sure whether the changes are gone after a sw upgrade so make sure to save the new fingerprints on your local laptop in case you'd need to paste it again into the NAC.Here another example how to format the file in case you'd like to have more then one device added, in that case it's the Kindle and a fingerprint for the AP36xx/37xx/38xx (they should be included now already in the fingerprint DB)....
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