User`s manual
DVG-5121SP User’s Manual
D-Link Corporation
34
5-1-3. Application Setting
Some applications require multiple connections, such as Internet gaming, video conferencing, Internet telephony
and others. These applications have difficulties working through NAT (Network Address Translation). Special
Applications makes some of these applications work with the DVG-5121SP. If you need to run applications that
require multiple connections, specify the port normally associated with an application in the Trigger Port field, select
the protocol type as TCP or UDP, then enter the public ports associated with the trigger port to open them for
inbound traffic.
Advanced Network Setting > NAT > Application Setting
Special Application: Select Enable or Disable.
Trigger Port: This is the port used to trigger the application. It can be either a single port or a range of ports.
Trigger Type: This is the protocol used to trigger the special application.