Huawei HG8245T Router Manual PDF (Setup & Configuration Guide)

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Figure 4-27

PortTrigger Configuration

2.

Click

Apply

to apply the configuration.

The port trigger indicates that a specific Extranet port is automatically enabled when a

corresponding Intranet port sends a packet and the packet is mapped to the Intranet port on the

host.A specific mapping packet is sent from the ONT through the Intranet so that specific packets

of the Extranet can be mapped to the corresponding host. A specified port on the gateway firewall

is open to some applications for remote access. The port trigger can dynamically enable the open

port of the firewall.

Table 4-11

describes the parameters related to the port trigger.

Table 4-11

Parameters related to the port trigger

Parameter

Description

Interface

Indicates the name of the WAN interface where the port trigger

is enabled.

Trigger Protocol

Indicates the protocol type of the port trigger packet, which may

be TCP, UDP, or TCP/UDP.

Open Protocol

Indicates the protocol type of the open data packet.

Trigger Start Port

Indicates the destination start port of the port trigger packet.

Trigger End Port

Indicates the destination end port of the port trigger packet.

Open Start Port

Indicates the destination start port of the open packet.

Open End Port

Indicates the destination end port of the open packet.

Enable

Indicates whether to enable the port trigger.

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4.8 Network Applications

This topic describes how to configure the USB, ALG, UPnP, and ARP through the Web page.

4.8.1 USB

1.

In the navigation tree on the left, choose

Network Applications

>

USB

. In the pane on the

right, set the parameters related to FTP downloading to share the FTP file of the ONT, as

shown in

Figure 4-28

.

Figure 4-28

USB

2.

Click

Download

to download files from the FTP server to the USB storage device.

Table 4-12

describes the parameters related to the USB.

Table 4-12

Parameters related to the USB

Parameter

Description

Download URL

Indicates the path of the file downloaded through FTP.

Port Number

Indicates the FTP port number. It is set to 21 by default.

Generally, the setting is not required.

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Parameter

Description

User Name

Indicates the user name for connecting to the FTP server. If the

FTP server supports anonymous login, the setting is not required.

Password

Indicates the password for connecting to the FTP server. If the

FTP server supports anonymous login, the setting is not required.

Device

Indicates the drive of the external USB device for saving the file

downloaded through FTP. When the USB storage device is

connected to the USB port, the drop-down list is available.

Local Path

Indicates the path for saving the FTP-downloaded file to the

external USB device. If the path is not entered, the path specified

in Download URL is used by default.

4.8.2 ALG Configuration

1.

In the navigation tree on the left, choose

Network Applications

>

ALG Configuration

.

In the pane on the right, determine whether to enable the FTP or TFTP, as shown in

Figure

4-29

.

Figure 4-29

ALG Configuration

2.

Click

Apply

to apply the configuration.

When the NAT function is enabled, the application level gateway (ALG) function needs to be

enabled to ensure that some application software and hardware can be normally used.

4.8.3 UPnP Configuration

1.

In the navigation tree on the left, choose

Network Applications

>

UPnP Configuration

.

In the pane on the right, determine whether to enable the UPnP, as shown in

Figure 4-30

.

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Figure 4-30

UPnP Configuration

2.

Click

Apply

to apply the configuration.

Universal Plug and Play (UPnP) is the name of a group of protocols. The UPnP supports zero

configuration networking and automatic discovery of different network devices. If the UPnP is

enabled, the UPnP-enabled device can be dynamically connected to the network to obtain the

IP address, obtain the transfer performance, discover other devices, and learn the performance

of the other devices. The UPnP-enabled device can be automatically disconnected from the

network, without affecting the device or other devices.

When the UPnP is enabled, the LAN-side PC automatically finds the ONT, which is considered

as a peripheral device of the PC and is plug-and-play. After running application software on the

PC, port mapping entries are automatically generated on the ONT through the UPnP protocol,

thus improving the running speed.

4.8.4 ARP Configuration

1.

In the navigation tree on the left, choose

Network Applications

>

ARP Configuration

.

In the pane on the right, click

New

. In the dialog box that is displayed, set the resolution

rule between a MAC address and an IP address, as shown in

Figure 4-31

.

Figure 4-31

ARP Configuration

2.

Click

Apply

to apply the configuration.

Static ARP means to manually add an ARP entry on an ONT. A static ARP never ages and can

only be deleted manually. If the mapping between the IP address and MAC address of the peer

device is available, configuring a static ARP entry benefits a lot. For example, the dynamic ARP

entry learning is omitted during device communication and the static ARP entry prevents a

device from learning an incorrect ARP entry in the case of malicious attacks.

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4.8.5 Portal Configuration

1.

Click the

Network Application

tab and then choose

Portal Configuration

from the

navigation tree. In the right pane, enable/disable the portal function and set the redirection

URL addresses for different types of devices, as shown in

Figure 4-32

.

Figure 4-32

Portal configuration

2.

Click

Apply

to apply the configuration.

If the type of the device that you use is not configured with a URL address or the device type

cannot be identified, the system redirects to the default URL address upon the first access to the

Internet.

4.8.6 DDNS Configuration

1.

Click the

Network Application

tab and then choose

DDNS Configuration

from the

navigation tree. In the right pane, configure DDNS parameters, including

Service

Provider

,

Host Name

,

Service Port

,

Domain Name

,

Username

, and

Password

, as shown

in

Figure 4-33

.

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