Port Forwording (Ucm6102 Only); Table 14: Ucm6102 Network Settings->Port Forwarding - Grandstream Networks UCM6100 Series User Manual

PORT FORWORDING (UCM6102 ONLY)

The UCM network interface supports router function which provides users the ability to do port forwarding.
If the UCM6102 LAN mode is set to "Route" under web GUI->Settings->Network Settings->Basic
Settings page, 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.
Specify the WAN port number or a range of WAN ports. Up to 8 ports can be
configured.
Note:
WAN Port
When it is set to a range, WAN port and LAN port must be configured with the
same range, such as WAN port: 1000-1005 and LAN port: 1000-1005, and access
from WAN port will be forwarded to the LAN port with the same port number, for
example, WAN port 1000 will be port forwarding to LAN port 1000.
LAN IP Specify the LAN IP address.
Specify the LAN port number or a range of LAN ports.
Note:
LAN Port When it is set to a range, WAN port and LAN port must be configured with the
same range, such as WAN port: 1000-1005 and LAN port: 1000-1005, and access
from WAN port will be forwarded to the LAN port with the same port number, for
example, WAN port 1000 will be port forwarding to LAN port 1000.
Select protocol type "UDP Only", "TCP Only" or "TCP/UDP" for the forwarding in
Protocol Type
the selected port. The default setting is "UDP Only".
The following figures demonstrate a port forwarding example to provide phone's web UI access to public
side.

The UCM6102 network mode is set to "Route"

The UCM6102 WAN port is connected to uplink switch, with a public IP address configured, e.g.
1.1.1.1.

The UCM6102 LAN port provides DHCP pool that connects to multiple phone devices in the LAN
network 192.168.2.x. The UCM6102 is used as a router, with gateway address 192.168.2.1
Firmware Version 1.0.10.39
Table 14: UCM6102 Network Settings->Port Forwarding
UCM6100 Series IP PBX User Manual Page 66 of 331