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

Note:

After you finish the Internet configuration, please click

Save

to make the settings take effect.

4.5.2

Interface Grouping

Choose “

Network

”



“

Interface

Grouping

”, you can view all the current groups on this page

(shown in Figure 4-11).

Figure 4-11



Enable the Virtual LAN Ports feature:

Virtual LAN (VLAN) is a group of devices on one or

more LANs that are configured so that they can communicate as if they were attached to the

same LAN. Because VLANs are based on logical instead of physical connections, it is very

flexible for user/host management, bandwidth allocation and resource optimization. If you

want to active the Interface Grouping function, please check the box to enable the Virtual LAN

Ports feature.



Note:

It is not allowed to disable the VLAN with Ethernet Connection enabled.

To support this feature, you must create mapping groups with appropriate LAN and WAN

interfaces using the

Add

button.

Click the

Add

button. You can add a new interface group in the next screen. For example, if you

want LAN1 and LAN3 to be a group called Group 1 over br_8_35_0 WAN interface, you can refer

to the following figure.

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Figure 4-12

Click

Save

to make the entry effective immediately

4.5.3

LAN Settings

Choose “

Network

”



“

LAN Settings

” menu, and you will see the LAN screen (shown in Figure

4-13). Please configure the parameters for LAN ports according to the descriptions below.

Figure 4-13



IP Address:

You can configure the modem router’s IP Address and Subnet Mask for LAN

Interface.



IP Address:

Enter the modem router’s local IP Address, then you can access to the

Web-based Utility via the IP Address, the default value is 192.168.1.1.



Subnet Mask:

Enter the modem router’s Subnet Mask, the default value is 255.255.255.0.

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

Enable IGMP Snooping:

IGMP Snooping is the process of listening to IGMP (Internet Group

Management Protocol) network traffic. The feature prevents hosts on a local network from

receiving traffic for a multicast group they have not explicitly joined. It is enabled by default.



Enable Second IP:

You can configure the modem router’s second IP Address and Subnet

Mask for LAN Interface through which you can also access to the Web-based Utility as the

default IP Address and Subnet Mask.



DHCP Server:

The DHCP(Dynamic Host Configuration Protocol) server is enabled by default.

DHCP service will supply IP settings to computers connected to the modem router though the

Ethernet port which are configured to automatically obtain IP settings. When the modem

router is set for DHCP, it becomes the default gateway for DHCP client connected to it. If you

change the IP address of the modem router, you must change the range of IP addresses in

the pool used for DHCP on the LAN.



Start IP Address:

Enter a value for the DHCP server to start with when issuing IP

addresses. The default Start IP Address is

192.168.1.100

, and the Start IP Address must

be 192.168.1.100 or greater, but smaller than 192.168.1.254.



End IP Address:

Enter a value for the DHCP server to end with when issuing IP

addresses. The End IP Address must be smaller than 192.168.1.254. The default End IP

Address is

192.168.1.254

.



Leased Time:

The Leased Time is duration in which a DHCP client can lease its current

dynamic IP address assigned by the modem router. After the dynamic IP address has

expired, the user will be automatically assigned to a new dynamic IP address. The default

is

1440

minutes.

The detailed configuration about DHCP server, please refer to section

4.6 DHCP Server

.

4.5.4

IPv6 LAN Settings

Choose menu “

Network

”



“

IPv6 LAN Settings

”, you can configure LAN IPv6 interface for your

modem router.

Figure 4-14



Address Auto-configuration Type:

Select a type to assign IPv6 addresses to the computers

in your LAN. RADVD and DHCPv6 Server are provided.

1)

If RADVD is selected, it doesn’t need to be configured.

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2)

If DHCPv6 Server is selected, please complete the following parameters.

Figure 4-15



Start IPv6 Address:

Enter a value for the DHCPv6 server to start with when issuing IPv6

addresses.



End IPv6 Address:

Enter a value for the DHCPv6 server to end with when issuing IPv6

addresses.



Leased Time:

The Leased Time is the duration in which a DHCP client can lease its

current dynamic IPv6 address assigned by the modem router. After the dynamic IPv6

address has expired, the user will be automatically assigned a new dynamic IPv6

address. The default is 86400 seconds.



Site Prefix Configuration Type:

Select a type to assign prefix to IPv6 addresses. Delegated

and Static are provided.

1)

If Delegated is selected, please complete the following parameters.

Figure 4-16



Prefix Delegated WAN Connection:

Select a WAN connection form the drop-down list

to assign prefix.

2)

If Static is selected, please complete the following parameters.

Figure 4-17



Site Prefix:

Enter a value for the site prefix.



Site Prefix Length:

Enter a value for the site prefix length.

Click the

Save

button to save the settings.

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4.5.5

MAC Clone

Choose menu “

Network

”



“

MAC Clone

”, you can configure the MAC address of the WAN

Interface as shown below.

The WAN Interface List displays the WAN Interfaces you have configured on the section

4.5.1

WAN Settings

and its default MAC Address. You can select the corresponding WAN Interface from

the drop-down list and click

Clone MAC To

button to clone your current PC MAC, and then click

Save

.

Figure 4-18



Note:

Only the WAN Ports can use MAC Address Clone function. All the clone MAC addresses must not

be the same with each other.

4.5.6

ALG Settings

Choose menu “

Network

”



“

ALG Settings

”, and then you can configure the basic security in the

screen as shown in Figure 4-19.

Figure 4-19



Virtual Private Network (VPN):

VPN Pass-through must be enabled if you want to allow VPN

tunnels using VPN protocols to pass through the modem router.



PPTP

Pass-through:

PPTP

(Point-to-Point

Tunneling

Protocol)

allows

the

Point-to-Point Protocol (PPP) to be tunneled through an IP network. To allow PPTP

tunnels to pass through the modem router, click

Enable

.