Check this bug out..
https://bst.cloudapps.cisco.com/bugsearch/bug/CSCur45606/?referring_site=bugquickviewredir
We are running 15.2(3)E1 code across our environment. This seems to be the cause.
I have 2960X running 15.2(3)E1, and discriminator seems not to work as well.
I used the following config:
logging discriminator dot1x facility drops DOT1X logging host <ip.add.re.ss> discriminator dot1x
yet, I still get all dot1x messages to th...