-authentication based on <b>EAP-MD5</b> (phase2 of EAP-TTLS). <b>carol</b> presents the
-correct MD5 password and succeeds whereas <b>dave</b> chooses the wrong password and fails.
+authentication based on <b>EAP-MD5</b> (phase2 of EAP-TTLS).
+<p/>
+With the default setting <b>charon.plugins.eap-ttls.phase2_piggyback = no</b> the server
+<b>moon</b> passively waits for the clients to initiate phase2 of the EAP-TTLS protocol by
+sending a tunneled orphan EAP Identity response upon the reception of the server's TLS
+Finished message. Client <b>carol</b> presents the correct MD5 password and succeeds
+whereas client <b>dave</b> chooses the wrong password and fails.