User guide

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> NAT Traversal
situated behind router.
 NAT Traversal:
 Disable: Disable NAT traversal features
 STUN (Type 1,2): Enable STUN for NAT traversal. Since
STUN can be used only for type 1 and type 2 NAT server, it is
recommended to use this option. When STUN client detect
current NAT is type 3 , it stops the STUN feature operation.
 STUN Server: STUN Server IP address
 STUN (All): No matter which NAT type server are used,
STUN is always to be used for NAT traversal.
 STUN Server: STUN Server IP address
 UPNP: Enable UPnP client for NAT traversal. Please note that
the IP sharing box ( or Router ) need to support uPnP feature.
 Behind NAT: Use DMZ for NAT traversal
 IP Sharing Address: public IP sharing address. You
need to specify the port mapping or DMZ for all
required ports.
DW 2522 supports the following NAT traversal methods when it was