@HOLGER ALIX I have done some more research and testing regarding this. I'm on 2.3.5.4 and have a few IE3400 running as EN and as PEN.The issue I had was that I missed the little fine print in the IE3400 data sheet saying that PEN functionality is no...

I have just tried bringing up an IE3400 connected to a pair of stacked 9300L following these instructions.Sadly, the IE3400 came up as a regular Extended Node, not as Policy Extended Node. First of all, the license level needs to be Network-Advantage...