TP-Link CR1900 CR1900US V1 User Guide - Page 54

Open Ports Dynamically by Port Triggering, Advanced, NAT Forwarding, Port Triggering

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Chapter 9 NAT Forwarding 9. 2. Open Ports Dynamically by Port Triggering Port Triggering can specify a trigger port and its corresponding external ports. When a host in the local network initiates a connection to the trigger port, all the external ports will be opened for subsequent connections. The modem router can record the IP address of the host. When the data from the internet return to the external ports, the modem router can forward them to the corresponding host. Port Triggering is mainly applied to online games, VoIPs and video players. Common applications include MSN Gaming Zone, Dialpad and Quick Time 4 players, etc. Follow the steps below to configure the port triggering rules: 1. Visit http://tplinkmodem.net, and log in with the password you set for the router. 2. Go to Advanced > NAT Forwarding > Port Triggering and click Add. 3. Click Scan to select an application from the list to automatically populate the default values into the appropriate fields. If you want to add an unlisted application, manually enter the Application, Triggering Port, Triggering Protocol, External Port and select the External Protocol. 4. Select Enable This Entry. 5. Click Save. Note: 1. When the triggering connection is released, the corresponding opened ports will be closed. 2. Each rule can only be used by one host on the LAN at a time. The triggering connection of other hosts on the LAN will be refused. 3. External Port ranges of different entries cannot overlap each other. 51

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51
Chapter 9
NAT Forwarding
9° 2°
Open Ports Dynamically by Port Triggering
Port Triggering can specify a trigger port and its corresponding external ports. When
a host in the local network initiates a connection to the trigger port, all the external
ports will be opened for subsequent connections. The modem router can record the IP
address of the host. When the data from the internet return to the external ports, the
modem router can forward them to the corresponding host. Port Triggering is mainly
applied to online games, VoIPs and video players. Common applications include MSN
Gaming Zone, Dialpad and Quick Time 4 players, etc.
Follow the steps below to configure the port triggering rules:
1.
Visit
http://tplinkmodem.net
, and log in with the password you set for the router.
2.
Go to
Advanced
>
NAT Forwarding
>
Port Triggering
and click
Add
.
3.
Click
Scan
to select an application from the list to automatically populate the
default values into the appropriate fields. If you want to add an unlisted application,
manually enter the
Application
,
Triggering Port
,
Triggering Protocol
,
External Port
and select the
External Protocol
.
4.
Select
Enable This Entry
.
5.
Click
Save
.
Note:
1.
When the triggering connection is released, the corresponding opened ports will be closed.
2. Each rule can only be used by one host on the LAN at a time. The triggering connection of other hosts on the LAN
will be refused.
3.
External Port ranges of different entries cannot overlap each other.