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Table 10 Network Setting > Broadband > Add New WAN Interface/Edit (ADSL over ATM-Bridge
Mode) (continued)
LABEL
Encapsulation
Service
Category
VLAN
Active
802.1p
802.1q
OK
Cancel
6.3 The 3G Backup Screen
The USB ports (at the left side panel of the VMG) allow you to attach a 3G dongle to wirelessly
connect to a 3G network for Internet access. You can have the VMG use the 3G WAN connection as
a backup. Disconnect the DSL and Ethernet WAN ports to use the 3G dongle as your primary WAN
connection. The VMG automatically uses a wired WAN connection when available.
Chapter 6 Broadband
DESCRIPTION
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. This is available only when
you select IPoE or PPPoE in the Encapsulation field.
• VC/MUX: In VC multiplexing, each protocol is carried on a single ATM virtual circuit (VC).
To transport multiple protocols, the VMG 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.
Select UBR Without PCR for applications that are non-time sensitive, such as e-mail.
Select CBR (Continuous Bit Rate) to specify fixed (always-on) bandwidth for voice or data
traffic.
Select Non Realtime VBR (non real-time Variable Bit Rate) for connections that do not
require closely controlled delay and delay variation.
Select Realtime VBR (real-time Variable Bit Rate) for applications with bursty connections
that require closely controlled delay and delay variation.
Select the checkbox to enable VLAN on this WAN interface.
IEEE 802.1p defines up to 8 separate traffic types by inserting a tag into a MAC-layer frame
that contains bits to define class of service.
Select the IEEE 802.1p priority level (from 0 to 7) to add to traffic through this connection.
The greater the number, the higher the priority level.
Type the VLAN ID number (from 0 to 4094) for traffic through this connection.
Click OK to save your changes.
Click Cancel to exit this screen without saving.
VMG1312-Bx0D User's Guide
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