Changes

! style="text-align: left; vertical-align: top;" | Type

! style="text-align: left; vertical-align: top;" | Type

| style="text-align: left; vertical-align: top;" | Tunnel {{!}} Transport; Default: '''Tunnel'''

| style="text-align: left; vertical-align: top;" | Tunnel {{!}} Transport; Default: '''Tunnel'''

| style="text-align: left; vertical-align: top;" | Type of connection. <br> '''Tunnel''': protects the internal routing information by encrypting the IP header of the original packet. The original packet is encapsulated by a another set of IP headers. NAT traversal is supported with the tunnel mode. <br> '''Transport''': encrypts only the payload and Encapsulating Security Payload (ESP) trailer; so the IP header of the original packet is not encrypted. Transport mode is usually used when another tunneling protocol (such as [[VPN#GRE_Tunnel|GRE]], [[VPN#L2TP|L2TP]](click '''[[L2TP over IPsec|here]]''' for a configuration example on '''L2TP over IPsec''')) is used to first encapsulate the IP data packet, then IPsec is used to protect the GRE/L2TP tunnel packets. NAT traversal is not supported with the transport mode.

| style="text-align: left; vertical-align: top;" | Type of connection. <br> '''Tunnel''': protects the internal routing information by encrypting the IP header of the original packet. The original packet is encapsulated by a another set of IP headers. NAT traversal is supported with the tunnel mode. <br> '''Transport''': encrypts only the payload and Encapsulating Security Payload (ESP) trailer; so the IP header of the original packet is not encrypted. Transport mode is usually used when another tunneling protocol (such as [[VPN#GRE_Tunnel|GRE]], [[VPN#L2TP|L2TP]] (click '''[[L2TP over IPsec|here]]''' for a configuration example on '''L2TP over IPsec''')) is used to first encapsulate the IP data packet, then IPsec is used to protect the GRE/L2TP tunnel packets. NAT traversal is not supported with the transport mode.

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! style="text-align: left; vertical-align: top;" | My identifier type

! style="text-align: left; vertical-align: top;" | My identifier type