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User Manual
EchoLife HG520 Home Gateway
Chapter 5
Advanced Setup
Huawei Technologies Proprietary
35
5.1
Configuring WAN
Figure 5-1
Advanced Setup – WAN
This page shows the current existing WAN interfaces in the
system. User can choose <Add>, <Edit> or <Remove> to configure
WAN interfaces. For details about Add and Edit procedure, please
refer to “Chapter 4
Quick Setup”.
5.2
Configuring LAN
Please refer to “4.1
V. Device Setup”.
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User Manual
EchoLife HG520 Home Gateway
Chapter 5
Advanced Setup
Huawei Technologies Proprietary
36
5.3
Configuring NAT
Three functions are supported in NAT: Virtual Servers,Port
Triggering, and DMZ Host.
5.3.1
Virtual Servers Configuration
Figure 5-2
Advanced Setup – NAT
Virtual Server allows you to direct incoming traffic from WAN side
(identified by Protocol and External port) to the Internal server with
private IP address on the LAN side. The Internal port is required only if
the external port needs to be converted to a different port number
used by the server on the LAN side. Up to 32 entries can be
configured.
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User Manual
EchoLife HG520 Home Gateway
Chapter 5
Advanced Setup
Huawei Technologies Proprietary
37
1)
Click on <Add> to enter configuration page to add your own
rule(s). Some commonly used servers (Web, FTP, Mail, and
so on) are pre-defined in HG520. User can simply select the
desired server from the pull-down menu and assign the IP
address of the local PC.
2)
To delete the configured rule(s), check the “Remove” box of
the specific rule(s) and click on <Remove>.
Figure 5-3
Advanced Setup – NAT – Virtual Servers
Page 49 / 112
User Manual
EchoLife HG520 Home Gateway
Chapter 5
Advanced Setup
Huawei Technologies Proprietary
38
5.3.2
Port Triggering Configuration
Some applications require that specific ports in the Router's
firewall be opened for access by the remote parties.
Port Trigger dynamically opens the “Open Ports” in the firewall
when an application on the LAN initiates a TCP/UDP connection to a
remote party using the “Triggering Ports”.
The Router allows the remote party from the WAN side to
establish new connections back to the application on the LAN side
using the “Open Ports”.
Up to 32 entries can be configured.
Figure 5-4
Advanced Setup – NAT – Port Triggering
1)
Click on <Add> to enter configuration page to add your own
rule(s),show as Figure 5-4 . Some applications such as
Page 50 / 112
User Manual
EchoLife HG520 Home Gateway
Chapter 5
Advanced Setup
Huawei Technologies Proprietary
39
games, video conferencing, remote access applications and
others require that specific ports in the Router's firewall be
opened for access by the applications. You can configure
the port settings from this screen by selecting an existing
application or creating your own (Custom application) and
click <Save/Apply> to add it.
2)
To delete the configured rule(s), check the “Remove” box of
the specific rule(s) and click on <Remove>.
Figure 5-5
Advanced Setup – NAT – Add Port Triggering
5.3.3
DMZ Host Configuration
The DSL router will forward IP packets from the WAN that do not
belong to any of the applications configured in the Virtual Servers
table to the DMZ host computer.

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