hello hideshi,<br><br>thanks for the reply, the script is now running. now my problem is this, <br>========== TEST 2 ==========<br>./S_RFC3315_5.1_UDPPorts.seq -pkt ./S_RFC3315_5.1_UDPPorts.def -log 2.html -ti &quot;UDP Port&quot;
<br>==== NUT Initialization ====<br>vRemote(&quot;dhcp6s.rmt&quot;, &quot;start&quot;,&quot;rapidcommit&quot;,&quot;link0=em0&quot;,&quot;startaddr=3ffe:501:ffff:100::10&quot;,&quot;endaddr=3ffe:501:ffff:100::11&quot;)<br>
<br>dhcp6s&gt; Set parameters of DHCPv6 Server manually as following:<br><br>dhcp6s&gt; The interfaces used for DHCPv6 Server test is em0.<br>dhcp6s&gt; Please set following parameters of IA and IA_address options in DHCPv6 server
<br>dhcp6s&gt;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; prefer-life-time 10000;<br>dhcp6s&gt;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; valid-life-time 20000<br>dhcp6s&gt;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; renew-time(T1) 5000<br>dhcp6s&gt;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; rebind-time(T2) 16000<br>dhcp6s&gt;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Please set the start address of which can be assigned:3ffe:501:ffff:100::10.
<br>dhcp6s&gt;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Please set the end address of which can be assigned:3ffe:501:ffff:100::11.<br>dhcp6s&gt; Please enable the Server to support rapidcommit.<br>dhcp6s&gt;<br><br>dhcp6s&gt; Please start the DHCPv6 Server!
<br>dhcp6s&gt; Then press the Enter.<br><br>Start Capturing Packets (Link0)<br>Clear Captured Packets (Link0)<br>==== Solicit/Reply Message Exchange&nbsp; ====<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Send DHCPv6 Solicit Message: CLIENT1 --&gt; all DHCPv6 Servers
<br>Solicit Message<br><br>DHCPv6 OptionValues<br>IdentifierIdentifier = 100<br>Opt_DHCPv6_CIDDUID-LLT HardwareType = 1<br>DUID-LLT MAC = 00:00:00:00:a2:a2<br>DUID-LLT TIME = 300000<br><br>Could not get Reply Message<br>NUT did not send Reply Message.
<br>NG<br>DHCPv6 Server stop<br>===========================================<br>It says that the NUT did not send Reply Message, but when i try to run my dhcp6s with -dDf it said &quot;transmit advertise to fe80::200:ff:fe00:a2a2%em0&quot; ... 
<br><br>So with this, it seems that my TN did not received the advertise. :(<br><br>May I ask what could possibly be the problem? <br><br>Thanks alot,<br><br>Rommel<br><br><br><br>