The hosts <b>moon</b> and <b>sun</b> do mutual TNC measurements over IKEv2-EAP
using the PA-TNC, PB-TNC and PT-EAP protocols. The IKEv2 EAP-TTLS authentication
is based on X.509 certificates. The TNC measurement on <b>moon</b> is successful
and the measurement on <b>sun</b> fails, causing the IPsec connection to be
aborted by <b>moon</b>.