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Chapter 4: Web Configuration 
                                                                                                                                                                                       
105
Port Mapping 
This page allows you to configure various port mapping groups which contains 
specific Internet connections and LAN ports. The user data will be only transmitted 
and received among the interfaces in the group. 
Virtual LAN Function on Ethernet: 
If you click Disabled, the LAN ports 
for Ethernet ports will only be shown 
as an Ethernet interface. 
After applying Enabled, the LAN ports 
will be viewed as four separated ports 
shown on the status chart like the 
second figure. 
Normally, this function only needed 
when more than two PVCs are 
available, for example, if we have two 
PVCs, one uses PPPoE and the other 
uses Bridge mode, we may want to 
group certain connection to a specific 
port, especially when some devices 
may consume higher bandwidth.   
In our following demonstration, we 
have two PVCs; they are 
pppoe_0_39_1and br_0_35. 
Click Add to create a new port 
mapping group. 
Group Name:   
Give a unique name here. The word 
length must not be over the length of 
the field. In our example, bridge
Available Interfaces:   
The available interfaces (such as 
Ethernet, USB, wireless, etc.) will be 
displayed in the left side box. When 
you choose it and click Add, it will be 
transferred into the Grouped 
Interfaces
 at the right side box. Yet, if 
you want to remove the interface from 
the current group, it will be returned 
back to the Default group (left side 
box) after you click Remove.