D-Link DSL-2790U - Port Triggering

55D-Link DSL-2790U Wireless N300 ADSL2+ Modem Router User Manual
Section 4 - Conguration
WAN
Connection:
Select the interface to use with the rule.
Select a
Service:
Select an service for a preset application or enter a name in Custom
Server.
Schedule: Select a schedule or choose Always.
Server
IP Address:
Enter an IP address to appoint the corresponding client to receive
forwarded packets.
External Port
Start/End:
Enter the external port(s).
Protocol: Select TCP or UDP.
Internal Port
Start/End:
Enter the internal port(s).
LAN
Loopback:
Check the box to enable the LAN loopback feature.
PORT TRIGGERING
Click Apply when you are done.