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Page 56 / 412 Scroll up to view Page 51 - 55
Chapter 5 Broadband
VMG8924-B10A and VMG8924-B30A Series User’s Guide
56
5.2.1.2
Bridge Mode
Click the
Add new WAN Interface
in the
Network Setting > Broadband
screen or the
Edit
icon
next to the connection you want to configure. Select
Bridge
as the encapsulation mode. The screen
varies depending on the interface type you select.
If you select
ADSL/VDSL over PTM
as the interface type, the following screen appears.
Figure 24
Network Setting > Broadband > Add New WAN Interface/Edit (Bridge Mode )
The following table describes the fields in this screen.
MTU
MTU Size
Enter the MTU (Maximum Transfer Unit) size for this traffic.
Apply
Click
Apply
to save your changes back to the Device.
Cancel
Click
Cancel
to exit this screen without saving.
Table 7
Network Setting > Broadband > Add New WAN Interface/Edit (Routing Mode) (continued)
LABEL
DESCRIPTION
Table 8
Network Setting > Broadband > Add New WAN Interface/Edit (Bridge Mode)
LABEL
DESCRIPTION
General
Active
Select this to activate the WAN configuration settings.
Name
Enter a service name of the connection.
Type
Select
ADSL/VDSL over PTM
as the interface that you want to configure. The Device uses
the VDSL technology for data transmission over the DSL port.
Mode
Select
Bridge
when your ISP provides you more than one IP address and you want the
connected computers to get individual IP address from ISP’s DHCP server directly. If you
select
Bridge
, you cannot use routing functions, such as QoS, Firewall, DHCP server and
NAT on traffic from the selected LAN port(s).
VLAN
This section is available only when you select
ADSL/VDSL over PTM
in the
Type
field.
Active
Select this to add the VLAN Tag (specified below) to the outgoing traffic through this
connection.
Page 57 / 412
Chapter 5 Broadband
VMG8924-B10A and VMG8924-B30A Series User’s Guide
57
If you select
ADSL over ATM
as the interface type, the following screen appears.
Figure 25
Network Setting > Broadband > Add New WAN Interface/Edit (ADSL over ATM-Bridge
Mode)
The following table describes the fields in this screen.
802.1p
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.
802.1q
Type the VLAN ID number (from 0 to 4094) for traffic through this connection.
QoS
Rate Limit
Enter the rate limit for the connection. This is the maximum transmission rate allowed for
traffic on this connection.
Apply
Click
Apply
to save your changes.
Cancel
Click
Cancel
to exit this screen without saving.
Table 9
Network Setting > Broadband > Add New WAN Interface/Edit (ADSL over ATM - Bridge
Mode)
LABEL
DESCRIPTION
General
Active
Select this to activate the WAN configuration settings.
Name
Enter a service name of the connection.
Type
Select
ADSL over ATM
as
the interface for which you want to configure here. The Device
uses the ADSL technology for data transmission over the DSL port.
Table 8
Network Setting > Broadband > Add New WAN Interface/Edit (Bridge Mode) (continued)
LABEL
DESCRIPTION
Page 58 / 412
Chapter 5 Broadband
VMG8924-B10A and VMG8924-B30A Series User’s Guide
58
Mode
Select
Bridge
when your ISP provides you more than one IP address and you want the
connected computers to get individual IP address from ISP’s DHCP server directly. If you
select
Bridge
, you cannot use routing functions, such as QoS, Firewall, DHCP server and
NAT on traffic from the selected LAN port(s).
ATM PVC Configuration (These fields appear when the
Type
is set to
ADSL over ATM
.)
VPI
The valid range for the VPI is 0 to 255. Enter the VPI assigned to you.
VCI
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.
DSL Link Type
This field is not editable. The selection depends on the setting in the
Encapsulation
field.
EoA
(Ethernet over ATM) uses an Ethernet header in the packet, so that you can have
multiple services/connections over one PVC. You can set each connection to have its own
MAC address or all connections share one MAC address but use different VLAN IDs for
different services. EoA supports ENET ENCAP (IPoE), PPPoE and RFC1483/2684 bridging
encapsulation methods.
PPPoA
(PPP over ATM) allows just one PPPoA connection over a PVC.
IPoA
(IP over ATM) allows just one RFC 1483 routing connection over a PVC.
Encapsulation
Mode
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 Select DSL Link Type field.
•
VC/MUX:
In VC multiplexing, each protocol is carried on a single ATM virtual circuit
(VC). To transport multiple protocols, the 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.
•
LLC/ENCAPSULATION:
More than one protocol can be carried over the same VC. This
is available only when you select
PPPoA
in the
Encapsulation
field.
•
LLC/SNAP-ROUTING:
In LCC encapsulation, an IEEE 802.2 Logical Link Control (LLC)
header is prefixed to each routed PDU to identify the PDUs. The LCC header can be
followed by an IEEE 802.1a SubNetwork Attachment Point (SNAP) header. This is
available only when you select
IPoA
in the
Encapsulation
field.
Service
Category
Select
UBR Without PCR
or
UBR With 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.
Peak Cell Rate
Divide the DSL line rate (bps) by 424 (the size of an ATM cell) to find the Peak Cell Rate
(PCR). This is the maximum rate at which the sender can send cells. Type the PCR here.This
field is not available when you select
UBR Without PCR
.
Sustainable Cell
Rate
The Sustainable Cell Rate (SCR) sets the average cell rate (long-term) that can be
transmitted. Type the SCR, which must be less than the PCR. Note that system default is 0
cells/sec.
This field is available only when you select
Non Realtime VBR
or
Realtime VBR
.
Maximum Burst
Size
Maximum Burst Size (MBS) refers to the maximum number of cells that can be sent at the
peak rate. Type the MBS, which is less than 65535.
This field is available only when you select
Non Realtime VBR
or
Realtime VBR
.
Table 9
Network Setting > Broadband > Add New WAN Interface/Edit (ADSL over ATM - Bridge
Mode) (continued)
LABEL
DESCRIPTION
Page 59 / 412
Chapter 5 Broadband
VMG8924-B10A and VMG8924-B30A Series User’s Guide
59
5.3
The 3G Backup Screen
The USB ports (at the left side panel of the Device) allow you to attach a 3G dongle to wirelessly
connect to a 3G network for Internet access. You can have the Device 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 Device automatically uses a wired WAN connection when available.
Note: This Device supports connecting one 3G dongle at a time.
Figure 26
Internet Access Application: 3G WAN
Use this screen to configure your 3G settings. Click
Network Setting > Broadband > 3G
Backup
.
QoS
Rate Limit
Enter the rate limit for the connection. This is the maximum transmission rate allowed for
traffic on this connection.
Apply
Click
Apply
to save your changes.
Cancel
Click
Cancel
to exit this screen without saving.
Table 9
Network Setting > Broadband > Add New WAN Interface/Edit (ADSL over ATM - Bridge
Mode) (continued)
LABEL
DESCRIPTION
Page 60 / 412
Chapter 5 Broadband
VMG8924-B10A and VMG8924-B30A Series User’s Guide
60
Note: The actual data rate you obtain varies depending the 3G card you use, the signal
strength to the service provider’s base station, and so on.
Figure 27
Network Setting
>
Broadband > 3G Backup
The following table describes the labels in this screen.
Table 10
Network Setting
>
Broadband > 3G Backup
LABEL
DESCRIPTION
General
3G Backup
Select
Enable
to have the Device use the 3G connection as your WAN or a backup when the
wired WAN connection fails.
Ping Check
Select
Enable
if you want the Device to ping check the connection status of your WAN. You
can configure the frequency of the ping check and number of consecutive failures before
triggering 3G backup.
Check Cycle
Enter the frequency of the ping check in this field.
Consecutive
PING Fail
Enter how many consecutive failures are required before 3G backup is triggered.
Ping Default
Gateway
Select this to have the Device ping the WAN interface’s default gateway IP address.
Ping the Host
Select this to have the Device ping the particular host name or IP address you typed in this
field.
3G Connection Settings
Card
description
This field displays the manufacturer and model name of your 3G card if you inserted one in
the Device. Otherwise, it displays
N/A
.

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