Port Forwording; Table 8: Ucm6510 Network Settings->Port Forwarding - Grandstream Networks UCM6510 IP PBX User Manual

PORT FORWORDING

The UCM6510 network interface supports router functions which provides users the ability to do port
forwarding. If the UCM6510 is set to "Route" under web GUI->Settings->Network Settings->Basic
Settings: Method, port forwarding is available for configuration.
The port forwarding configuration is under web GUI->Settings->Network Settings->Port Forwarding
page. Please see related settings in the table below.
WAN Port
LAN IP
LAN Port
Protocol Type
The following figures demonstrate a port forwarding example to provide phone's web UI access to public
side:

The UCM6510 network mode is set to "Route"

The UCM6510 WAN port is connected to uplink switch, with a public IP address configured, e.g.
1.1.1.1.

The UCM6510 LAN port provides DHCP pool that connects to multiple phone devices in the LAN
network 192.168.2.x. The UCM6510 is used as a router, with gateway address 192.168.2.1

There is a GXP2160 connected under the LAN interface network of the UCM6510. It obtains IP
address 192.168.2.100 from UCM6510 DHCP pool

On the UCM6510 web UI->Settings->Network Settings->Port Forwarding, configure a port
forwarding entry as the figure shows below.
WAN Port: This is the port opened up on the WAN side for access purpose.
LAN IP: This is the GXP2160 IP address, under the LAN interface network of the UCM6510.
Protocol Type: We select TCP here for web UI access using HTTP.
Firmware Version 1.0.1.12
Table 8: UCM6510 Network Settings->Port Forwarding
Specify the WAN port number. Up to 8 ports can be configured.
Specify the LAN IP address.
Specify the LAN port number.
Select protocol type "UDP Only", "TCP Only" or "TCP/UDP" for the forwarding in
the selected port. The default setting is "UDP Only".
UCM6510 IP PBX User Manual Page 44 of 277