Chapter 6 Broadband
VMG/XMG Series User’s Guide
131
Figure 83 Network Setting > Broadband > Add/Edit New WAN Interface (ADSL over ATM-Bridge Mode)
The following table describes the fields in this screen.
Table 33 Network Setting > Broadband > Add/Edit New WAN Interface (ADSL over ATM-Bridge Mode)
LABEL DESCRIPTION
General Click this switch to enable or disable the interface. When the switch goes to the right , the
function is enabled. Otherwise, it’s not.
Name Enter a service name of the connection.
Type Select ADSL over ATM as the interface that you want to configure. The Zyxel Device uses the
ADSL technology for data transmission over the DSL port.
Mode In NAT mode, the Multy Device routes traffic between a local network and another network
such as the Internet. Choose NAT mode if you want the Multy Device to assign local IP addresses
to devices connected to it (DHCP) and use routing features.
In Bridge mode, the Multy Device broadcasts traffic to the local network from the Internet.
Choose Bridge mode if you have an existing router in your network and you don’t want to
reconfigure routing settings.
ATM PVC Configuration (These fields appear when the Type is set to ADSL over ATM.)
VPI [0-255] The valid range for the VPI is 0 to 255. Enter the VPI assigned to you.
VCI [32-65535]
The valid range for the VCI is 32 to 65535 (0 to 31 is reserved for local management of ATM
traffic). Enter the VCI assigned to you.
Encapsulation
Select the method of multiplexing used by your ISP from the drop-down list box. Choices are:
• LLC/SNAP-BRIDGING: In LCC encapsulation, bridged PDUs are encapsulated by identifying the
type of the bridged media in the SNAP header.
• VC/MUX: In VC multiplexing, each protocol is carried on a single ATM virtual circuit (VC). To
transport multiple protocols, the Zyxel Device needs separate VCs. There is a binding between a
VC and the type of the network protocol carried on the VC. This reduces payload overhead
since there is no need to carry protocol information in each Protocol Data Unit (PDU) payload.
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