Troubleshooting

Online Help 2 Configuring Advanced Functions
Issue 05 (2010-01-20) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
2-2
Parameter Used to Specify …
Host Address IP address of the host
Enable DMZ Whether to enable the DMZ
2.1.3 Configuring Port Mapping
Port mapping supports the mapping between the interfaces on the WAN side and the
interfaces on the LAN side.
Adding Port Mapping
In the navigation tree, choose Advanced > NAT, and then click the Port Mapping tab.
Two port mapping modes are available:
z
Custom: indicates the self-defined mode.
z
Application: indicates the mode provided by the system.
When selecting Custom, you must set the following parameters.
Parameter Used to Specify …
Mapping Name Mapping name
Protocol Interface protocol
External Port External port number
Internal Port Internal port number
Internal Host IP address of the internal host
Source IP Address IP address of the source host
When you select Application, the system displays the values of all parameters. You can
keep the default values or change them.
Deleting Port Mapping
Select the name of the mapping to be deleted, and then click Remove.
2.1.4 Configuring a Port Trigger
During remote access, the specified port of the firewall on the router must be enabled for
certain applications. A port trigger is used to set up a new connection between the remote
applications on the WAN side and the applications that require the use of certain ports on
the LAN side.
Adding a Port Trigger
In the navigation tree, choose Advanced > NAT, and then click the Port Trigger tab.
Two port trigger modes are available: