The roadwarriors <b>carol</b> an <b>dave</b> set up a connection to gateway
<b>moon</b>. At the outset the gateway authenticates itself to the client by
sending an IKEv2 <b>RSA signature</b> accompanied by a certificate.
<b>carol</b> and <b>dave</b> then use the <b>EAP-MD5</b> protocol to authenticate
against the gateway <b>moon</b>.
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The roadwarriors <b>carol</b> and <b>dave</b> request a virtual IP which is
assigned by the RADIUS server <b>alice</b> using the <b>Framed-IP-Address</b>
RADIUS attribute.