Hi ,
I have the same issue :
SW_Floor_9#sh auth ses int g3/0/11 de
No sessions match supplied criteria.
PID: WS-C3650-48FD-E
Version 16.12.01s
interface GigabitEthernet3/0/11
switchport mode access
device-tracking attach-policy IPDT_MAX_10
dot1x timeout tx-period 7
dot1x max-reauth-req 3
source template DefaultWiredDot1xClosedAuth
spanning-tree portfast
when I remove "source template DefaultWiredDot1xClosedAuth "
I learned the mac address of printer and all is working .
look like buggy behavior ?
somebody k