Jun 20

NAT traversal refers to the common problem in TCP/IP networking of establishing connections between hosts in private TCP/IP networks which use NAT devices.

Client-based IPsec VPN connections often do not work when passing through a NAT device as the IKE and IPsec protocols were not designed to work through NAT. NAT Traversal is an add-on to the IKE and IPsec protocols that allows them to work when being NATed.

NAT traversal is only used if both endpoints support it. D-Link products that currently support NAT traversal include the D-Link DFL-200, DFL-700 and DFL-1100.

Note: The DFL-800 and DFL-300 does not support NAT traversal.

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