Hi All,<div><br></div><div><b>IKE Version: </b>IKEv1</div><div><br></div><div><b>Strongswan version:</b> 4.5.3</div><div><br></div><div><b>Peer:</b> Juniper SRX<br clear="all"><div><br></div><div>2004-01-01T01:46:20.993349+00:00 (none) [warning]  <span class="Apple-tab-span" style="white-space:pre">  </span>pluto[5694]:  packet from <a href="http://64.64.0.1:500">64.64.0.1:500</a>: received Vendor ID payload [Dead Peer Detection]</div>
<div>2004-01-01T01:46:20.993397+00:00 (none) [warning]  <span class="Apple-tab-span" style="white-space:pre">   </span>pluto[5694]:  packet from <a href="http://64.64.0.1:500">64.64.0.1:500</a>: ignoring Vendor ID payload [draft-stenberg-ipsec-nat-traversal-01]</div>
<div>2004-01-01T01:46:20.993422+00:00 (none) [warning]  <span class="Apple-tab-span" style="white-space:pre">   </span>pluto[5694]:  packet from <a href="http://64.64.0.1:500">64.64.0.1:500</a>: ignoring Vendor ID payload [draft-stenberg-ipsec-nat-traversal-02]</div>
<div>2004-01-01T01:46:20.993442+00:00 (none) [warning]  <span class="Apple-tab-span" style="white-space:pre">   </span>pluto[5694]:  packet from <a href="http://64.64.0.1:500">64.64.0.1:500</a>: received Vendor ID payload [draft-ietf-ipsec-nat-t-ike-00]</div>
<div>2004-01-01T01:46:20.993462+00:00 (none) [warning]  <span class="Apple-tab-span" style="white-space:pre">   </span>pluto[5694]:  packet from <a href="http://64.64.0.1:500">64.64.0.1:500</a>: received Vendor ID payload [draft-ietf-ipsec-nat-t-ike-02]</div>
<div>2004-01-01T01:46:20.993481+00:00 (none) [warning]  <span class="Apple-tab-span" style="white-space:pre">   </span>pluto[5694]:  packet from <a href="http://64.64.0.1:500">64.64.0.1:500</a>: ignoring Vendor ID payload [draft-ietf-ipsec-nat-t-ike-02_n]</div>
<div>2004-01-01T01:46:20.993795+00:00 (none) [warning]  <span class="Apple-tab-span" style="white-space:pre">   </span>pluto[5694]:  packet from <a href="http://64.64.0.1:500">64.64.0.1:500</a>: received Vendor ID payload [draft-ietf-ipsec-nat-t-ike-03]</div>
<div>2004-01-01T01:46:20.993833+00:00 (none) [warning]  <span class="Apple-tab-span" style="white-space:pre">   </span>pluto[5694]:  packet from <a href="http://64.64.0.1:500">64.64.0.1:500</a>: received Vendor ID payload [RFC 3947]</div>
<div>2004-01-01T01:46:20.993855+00:00 (none) [warning]  <span class="Apple-tab-span" style="white-space:pre">   </span>pluto[5694]:  packet from <a href="http://64.64.0.1:500">64.64.0.1:500</a>: ignoring Vendor ID payload [699369228741c6d4ca094c93e242c9de19e7b7c60000000500000500]</div>
<div>2004-01-01T01:46:20.993876+00:00 (none) [warning]  <span class="Apple-tab-span" style="white-space:pre">   </span>pluto[5694]:  packet from <a href="http://64.64.0.1:500">64.64.0.1:500</a>: Proposal Payload must be alone in Oakley SA; found ISAKMP_NEXT_P following Proposal</div>
<div><span style="background-color:rgb(255,0,0)">2004-01-01T01:46:20.993896+00:00 (none) [warning]  <span class="Apple-tab-span" style="white-space:pre">       </span>pluto[5694]:  packet from <a href="http://64.64.0.1:500">64.64.0.1:500</a>: sending notification PAYLOAD_MALFORMED to <a href="http://64.64.0.1:500">64.64.0.1:500</a></span></div>
</div><div><br></div><div><font color="#333333">Strongswan is sending unrecognized (MALFORMED) packet some cases when get the INIT message from SRX juniper router. </font></div><div><font color="#333333"><br></font></div>
<div><font color="#333333">Anyone have idea for this error?</font></div><div><font color="#333333"><br></font></div><div><font color="#333333">Thanks. </font></div><div><font color="#333333">Jegathesh </font></div>