Trigger Port Forwarding Example - ZyXEL Communications MAX-207HW2 User Manual

Chapter 8 The NAT Configuration Screens
Table 33 ADVANCED ( 進階 ) > NAT Configuration (NAT 設定 ) > Trigger Port
LABEL
Start Port (
起始埠 )
End Port ( 結
束埠 )
Apply ( 套用 )
Cancel ( 重設 )

8.4.1 Trigger Port Forwarding Example

The following is an example of trigger port forwarding. In this example, J is Jane's
computer and S is the Real Audio server.
Figure 39 Trigger Port Forwarding Example
Jane requests a file from the Real Audio server (port 7070).
1
Port 7070 is a "trigger" port and causes the WiMAX Modem to record Jane's
2
computer IP address. The WiMAX Modem associates Jane's computer IP address
with the "incoming" port range of 6970-7170.
The Real Audio server responds using a port number ranging between 6970-7170.
3
The WiMAX Modem forwards the traffic to Jane's computer IP address.
4
96
DESCRIPTION
Enter the outgoing port number or range of port numbers that makes
the WiMAX Modem record the source IP address and assign it to the
selected incoming port number(s).
To select one port number, enter the port number in the Start Port and
End Port fields.
To select a range of ports,
• enter the port number at the beginning of the range in the Start
Port field
• enter the port number at the end of the range in the End Port field.
If you want to delete this rule, enter zero in the Start Port and End
Port fields.
Click to save your changes.
Click to return to the previous screen without saving your changes.
User's Guide