To disable port triggering:
1. Launch a web browser from a computer or mobile device device that is connected to the network.
2. Enter http://www.routerlogin.net.
A login window opens.
3. Enter the modem router user name and password.
The user name is admin. The default password is password. The user name and password are
The BASIC Home page displays.
4. Select ADVANCED > Advanced Setup > Port Forwarding / Port Triggering.
The Port Forwarding / Port Triggering page displays.
5. Select the Port Triggering radio button.
The port triggering settings display.
6. Select the Disable Port Triggering check box.
If this check box is selected, the modem router does not apply port triggering rules even if you specified
7. Click the Apply button.
Your settings are saved.
Application Example: Port Triggering for Internet Relay Chat
Some application servers, such as FTP and IRC servers, send replies to multiple port numbers. Using port
triggering, you can tell the modem router to open more incoming ports when a particular outgoing port starts
a session.
An example is Internet Relay Chat (IRC).Your computer connects to an IRC server at destination port 6667.
The IRC server not only responds to your originating source port but also sends an “identify” message to
your computer on port 113. Using port triggering, you can tell the modem router, “When you initiate a session
with destination port 6667, you must also allow incoming traffic on port 113 to reach the originating computer.”
The following sequence shows the effects of this port triggering rule:
1. You open an IRC client program to start a chat session on your computer.
2. Your IRC client composes a request message to an IRC server using a destination port number of 6667,
the standard port number for an IRC server process. Your computer then sends this request message
to your modem router.
3. Your modem router creates an entry in its internal session table describing this communication session
between your computer and the IRC server.Your modem router stores the original information, performs
Network Address Translation (NAT) on the source address and port, and sends this request message
through the Internet to the IRC server.
4. Noting your port triggering rule and observing the destination port number of 6667, your modem router
creates another session entry to send any incoming port 113 traffic to your computer.
Manage Port Forwarding and Port Triggering
Nighthawk AC1900 WiFi VDSL/ADSL Modem Router Model D7000v2
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