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RTA04N User
s Manual
Ed.0.1
Page 56 of 78
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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RTA04N User
s Manual
Ed.0.1
Page 57 of 78
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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RTA04N User
s Manual
Ed.0.1
Page 58 of 78
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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RTA04N User
s Manual
Ed.0.1
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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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RTA04N User
s Manual
Ed.0.1
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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.

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