Changes

       <td>Internet Security and Key Management Protocol (ISAKMP) phase 1 exchange mode.

       <td>Internet Security and Key Management Protocol (ISAKMP) phase 1 exchange mode.

             <ul>

             <ul>

                 <li><b>Main</b> - performs three two-way exchanges between the initiator and the receiver (a total of 9 messages). </li>

                 <li><b>Main</b> - performs three two-way exchanges between the initiator and the receiver (a total of 9 messages).</li>

                 <li><b>Aggressive</b> - performs fewer exchanges than main mode (a total of 6 messages) by storing most data into the first exchange. In aggressive mode, the information is exchanged before there is a secure channel, making it less secure but faster than main mode.</li>

                 <li><b>Aggressive</b> - performs fewer exchanges than main mode (a total of 6 messages) by storing most data into the first exchange. In aggressive mode, the information is exchanged before there is a secure channel, making it less secure but faster than main mode.</li>

             <ul>

             </ul>

         </td>

         </td>

     </tr>

     </tr>

             <ul>

             <ul>

                 <li><b>Tunnel</b> - protects internal routing information by encapsulating the entire IP packet (IP header and payload); is commonly used in site-to-site VPN connections; supports NAT traversal.</li>

                 <li><b>Tunnel</b> - protects internal routing information by encapsulating the entire IP packet (IP header and payload); is commonly used in site-to-site VPN connections; supports NAT traversal.</li>

                 <li><b>Transport</b> - only encapsulates IP payload data; is use client-to-site VPN connections; does not support NAT traversal; usually implemented with other tunneling protocols (for instance, L2TP).</li>

                 <li><b>Transport</b> - only encapsulates IP payload data; is use client-to-site VPN connections; does not support NAT traversal; usually implemented with other tunneling protocols (for example, L2TP).</li>

             </ul>

             </ul>

         </td>

         </td>

</table>

</table>

===Phase settings===

====Phase settings====

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[[File:{{{file_ipsec_phase}}}]]

[[File:{{{file_ipsec_phase}}}]]