User's Manual

Chapter 7 Network Setting
BM2022 Users Guide
105
7.12 Port Trigger
Use these settings to automate port forwarding and allow computers on local network to provide
services that would normally require a fixed address on the local network.
Click Network Setting > NAT > Port Trigger to open this screen as shown next.
Figure 47 Port Trigger Screen
This screen contains the following fields:
Table 36 Port Trigger
LABEL DESCRIPTION
Active This indicates whether the port trigger rule is active or not.
Name The displays the name of the port trigger rule.
Trigger Protocol This displays the protocol to which the port trigger rule applies.
Trigger Port(s)
Start / End
Port
This displays the start / end trigger port for the port trigger rule.
Click Add to create a new, empty rule, then enter the incoming port number or
range of port numbers you want to forward to the IP address the BM2022
records.
To forward one port number, enter the port number in the Start Port and End
Port fields.
To forward 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, click the Delete icon.
Open Protocol This indicates which protocol is used to open the port trigger ports.
Open Port(s)
Start / End
Port
This displays the start / end open port for the port trigger rule.
Click Add to create a new, empty rule, then enter the outgoing port number or
range of port numbers that makes the BM2022 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, click the Delete icon.