Perform this procedure on the Manager interface. You can configure up to 64 rules.
When you configure an NAPT rule, you must select an application type. The following application options are available:
You can use the Custom setting to configure a NAPT rule for a new application type. You can also use the Custom setting with a modified External Port Number to open two concurrent communication sessions using the same application to connect to the same LAN device. For example, to enable two concurrent SSH sessions to the same IP address, the two NAPT rules would look similar to the following.
Application |
Protocol |
External Port Number |
Internal IP address |
Internal Port Number |
SSH |
TCP |
22 |
192.168.40.1 |
22 |
Custom |
TCP |
221 |
192.168.40.1 |
22 |