Port Triggering; Figure 64: Port Triggering - SMC Networks SMCWBR14S-N5 Owner's Manual

6.
N
OTE
the Web management port on "Security –> Remote Management" page
to be any other value except 80, such as 8080. Otherwise there will be a
conflict, which will disable the virtual server.
Select Forwarding -> Port Triggering from the menu; you can view and
P T
ORT RIGGERING
add port triggering in the next screen (shown in
applications require multiple connections, like Internet games, video
conferencing, Internet calling and so on. These applications cannot work
with a pure NAT Router. Port Triggering is used for some of these
applications that can work with a NAT Router.

Figure 64: Port Triggering

Once the Router is configured, the operation is as follows:
1.
2.
3.
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◆
Click the Next button to go to the next page and click the Previous
button to return the previous page.
If you set the service port of the virtual server as 80, you must set
:
A local host makes an outgoing connection using a destination port
number defined in the Trigger Port field.
The Router records this connection, opens the incoming port or ports
associated with this entry in the Port Triggering table, and associates
them with the local host.
When necessary the external host will be able to connect to the local
host using one of the ports defined in the Incoming Ports field.
Trigger Port - The port for outgoing traffic. An outgoing connection
using this port will "Trigger" this rule.
Trigger Protocol - The protocol used for Trigger Ports, either TCP,
UDP, or All (all protocols supported by the Router).
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| Configuring the Router
C 4
HAPTER
Figure 64). Some
Forwarding