show authentication sessions [ handle handle-number | interface type number | mac mac-address | method method-name interface type number | session-id session-id ] https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/security/s1/sec-s1-xe-3se-3850-cr-book/sec-s1-xe-3se-3850-cr-book_chapter_01.html#wp3404908137