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Figure 4-36

You can enable or disable the port mapping function of the device by the select radio button. If

“

Enable

” radio is selected, you can configure the mapping group as follow steps.

1.

Select a group

（

Group 1, Group 2, Group3 or Group 4

）

from the table, then you can see the

available interface (LAN and WAN) and grouped interface list

2.

Sel

ect interfaces from the “WAN” and “LAN” interface list and add it to the “Interface group”

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using

Add>

button or delete it from the “Interface group” using

>Del

button to manipulate the

required mapping of the ports.

3.

Click the

Apply

button to finish the configuration.



Note:

After configuration, you need to click the

Save

button appeared on the left panel so that your

configuration can still take effect after the Router reboots.

4.3.6.

Others

Choose “

Advanced

→Others

”, you can configure the client limit settings in the screen (shown in

Figure 4-37). Client limit allows you to force how many devices can access to the internet. Here you

can enable or disable the client limit function and the maximum device to access to the internet.

Figure 4-37



Client Limit Capability:

Enable or disable the client limit function.



Maximum Devices:

limit the maximum number of devices that can access to the Internet.



Note:

After configuration, you need to click the

Save

button appeared on the left panel so that your

configuration can still take effect after the Router reboots.

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4.4. Service

Choose “

Service

”, you can see the next submenus:

Click any of them, and you will be able to configure the corresponding function.

4.4.1. IGMP Proxy

Choose “

Service→IGMP Proxy

” menu, you can configure the IGMP proxy in the screen (shown in

Figure 4-38). Here you can enable or disable the IGMP proxy function on all WAN interface, and you

can also set the parameters of the IGMP function.

IP hosts use Internet Group Management Protocol (IGMP) to report their multicast group

memberships to neighbor routers. Similarly, multicast routers use IGMP to discover which of their

hosts belong to multicast group. The router supports IGMP proxy that handles IGMP message.

When enabled, the router will act as a proxy for a LAN host making request to join and leave

multicast groups, and a multicast router sending multicast packets to multicast groups on WAN side.

Figure 4-38



Note:

After configuration, you need to click the

Save

button appeared on the left panel so that your

configuration can still take effect after the Router reboots.

4.4.2. UPnP

Choose “

Service

→UPnP

” menu, you can configure the UPnP in the screen (shown in

Figure 4-39).

UPnP (Universal Plug and Play) is a distributed, open networking standard that uses TCP/IP for

simple peer-to-peer network connectivity between devices. An UPnP device can dynamically join a

network, obtain an IP address, convey its capabilities and learn about

other devices on the network.

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In turn, a device can leave a network smoothly and automatically when it is no longer in use. UPnP

broadcasts are only allowed on the LAN.

Figure 4-39



UPnP:

Choose to enable or disable the UPnP function. Only when the function is enabled, can

the UPnP take effect.



WAN interface:

Select to run UPnP function on which interface.



Note:

After configuration, you need to click the

Save

button appeared on the left panel so that your

configuration can still take effect after the Router reboots.

4.4.3. SNMP

Choose “

Service→SNMP

”, you can see the SNMP screen (shown in

Figure 4-40).

Simple Network Management Protocol (SNMP) is a troubleshooting and management protocol

which uses the UDP protocol on port 161 to communicate between the clients and servers. The

router can be managed locally or remotely by SNMP protocol.

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Figure 4-40



Enable SNMP:

Choose to enable or disable the SNMP support.



System Description:

System description of the device.



System Contact:

Contact information of the device.



System name:

Name of the device.



System Location:

The physical location of the device



Trap IP address:

Destination IP address of SNMP trap.



Community name (read-only):

Name of the read-only community. This read-only community

allows read operation to all objects in the MIB.



Community name (read-write):

Name of the read-write community. This read-write community

allows read and write operation to all objects defines as read-writable in the MIB.



Note:

After configuration, you need to click the

Save

button appeared on the left panel so that your

configuration can still take effect after the Router reboots.

4.4.4. DNS

Choose “

Service→DNS

”, you can see the DNS screen (shown in

Figure 4-41).

Figure 4-41



Attain DNS Automatically:

Select this option, so the device will use the DNS servers which

obtained by the WAN interface via the auto-configuration mechanism.



Set DNS Manually:

Select this option, and then you need to configure the DNS IP address

manually.