Managing the Radio | 173
Aprisa SRi User Manual 1.1.0
Port Forwarding
Port Forwarding NAT (NAPT) remaps the public TCP/UDP port (or ICMP query ID) of a single public IP address
into multiple private IP address spaces and vice versa via AGRM/ARM router.
Public Interface
This parameter sets the Global external /public interface. The page varies depending on the router mode
ARM and AGRM.
The table below shows the public interface options for ARM router (as shown in the screenshot above for
2E2S radio). In ARM, each Ethernet interface can be set with a different public IP address, thus a multiple
Ethernet port can be used as a public interface. This is useful for example when radio is connected via two
Ethernet ports to two different networks with different subnets for protection or for different services e.g.
SCADA service and management service.
Option
Function
Radio Port
The public interface for NAT is the radio port.
Ethernet Port 1
The public interface for NAT is a Ethernet port 1.
Ethernet Port 2
The public interface for NAT is a Ethernet port 2.
The table below shows the public interface options for a AGRM router, since in AGRM all Ethernet interfaces
can be set with only a single public IP address.
Option
Function
Radio Port
The public interface for NAT is the radio port.
Ethernet Ports
The public interface for NAT is a Ethernet port.
