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Archer CR700
AC1750 Wireless Dual Band DOCSIS Cable Modem Router User Guide
Internet games, video conferencing, Internet telephoning and so on. Port Triggering is used for
some of these applications that cannot work with a pure NAT modem router.
Figure 5-44
Triggering Start/End Port - The start port/end port for outgoing traffic. An outgoing
connection using this port will trigger this rule.
External Start/End Port - The port used by the remote system when it responds to the
outgoing request. A response using one of these ports will be forwarded to the PC which
triggered this rule.
Protocol - The protocol used for External Port, either TCP, UDP, or ALL (all protocols
supported by the router).
Enable – Click the icon to enable the function. If this function has taken effect, the icon
will become
.
Modify – Click the icon to edit the corresponding entry. If you want to delete this entry,
you can click the
icon.
To add a new rule, follow the steps below.
1. Click the Add button.
2. Enter the number of the Triggering Start/End and External Start/End Port.
3. Select the protocol used for this application in the Protocol drop-down list, either TCP, UDP,
or Both.
4. Enable the Enable this entry checkbox.
5. Click the OK button.
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