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Page 71 / 327 Scroll up to view Page 66 - 70
Chapter 6 Broadband
VMG3926-B10A User’s Guide
71
6.2.1.2
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.
IPv6 DNS
Select
Dynamic
to have the VMG get the IPv6 DNS server addresses from the ISP
automatically.
Select
Static
to have the VMG use the IPv6 DNS server addresses you configure manually.
IPv6 DNS
Server 1
Enter the first IPv6 DNS server address assigned by the ISP.
IPv6 DNS
Server 2
Enter the second IPv6 DNS server address assigned by the ISP.
VLAN (These fields appear when the
Type
is set to
ADSL/VDSL over PTM
.)
Active
Select this to enable VLAN on this WAN interface.
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 1 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.
WAN Outgoing
Default Tag
Select
Enable
and enter a
DSCP
(DiffServ Code Point) value to have the VMG add it in the
packets sent by this WAN interface.
802.1p
This field displays if you activate VLAN for this WAN interface. Enter a priority level (from 0
to 7) to have the VMG add it to traffic through this connection.
DSCP
If you enable Select
WAN Outgoing Default Tag
, enter a
DSCP
(DiffServ Code Point)
value to have the VMG add it in the packets sent by this WAN interface.
MTU
MTU Size
Enter the MTU (Maximum Transfer Unit) size for this traffic.
Bridging and
Routing in the
same WAN
Use this feature to bridge a LAN port(s) with the WAN interface. Traffic to/from LAN ports
not in the bridge is routed from the WAN interface.
ADSL use same VPI/VCI in Bridge and Route modes.
VDSL use same VLAN in Bridge and Route modes.
Enable Con-
current WAN
Enable this if you want to use the same VPI/VCI settings in different WAN interfaces. Select
this and then choose the ports to bridge with the WAN interface. \
•
ADSL concurrent WAN uses the same VCI/PVI in both routing and bridge modes.
•
VDSL concurrent WAN uses same VLAN in both routing and bridge mode.
Apply
Click
Apply
to save your changes back to the VMG.
Cancel
Click
Cancel
to exit this screen without saving.
Table 8
Network Setting > Broadband > Add New WAN Interface/Edit (Routing Mode) (continued)
LABEL
DESCRIPTION
Page 72 / 327
Chapter 6 Broadband
VMG3926-B10A User’s Guide
72
Figure 22
Network Setting > Broadband > Add New WAN Interface/Edit (ADSL/VDSL over PTM -
Bridge Mode)
The following table describes the fields in this screen.
If you select
ADSL over ATM
as the interface type, the following screen appears.
Table 9
Network Setting > Broadband > Add New WAN Interface/Edit (ADSL/VDSL over PTM -
Bridge Mode)
LABEL
DESCRIPTION
General
Active
Select this to enable the interface.
Name
Enter a service name of the connection.
Type
Select
ADSL/VDSL over PTM
as the interface that you want to configure. The VMG 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
Enable
to enable VLAN on this WAN interface.
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.
OK
Click
OK
to save your changes.
Cancel
Click
Cancel
to exit this screen without saving.
Page 73 / 327
Chapter 6 Broadband
VMG3926-B10A User’s Guide
73
Figure 23
Network Setting > Broadband > Add New WAN Interface/Edit (ADSL over ATM-Bridge
Mode)
The following table describes the fields in this screen.
Table 10
Network Setting > Broadband > Add New WAN Interface/Edit (ADSL over ATM-Bridge
Mode)
LABEL
DESCRIPTION
General
Name
Enter a service name of the connection.
Type
Select
ADSL over ATM
as the interface that you want to configure. The VMG uses the ADSL
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).
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.
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. 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.
Page 74 / 327
Chapter 6 Broadband
VMG3926-B10A User’s Guide
74
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.
Note: This VMG supports connecting one 3G dongle at a time.
Figure 24
Internet Access Application: 3G WAN
Use this screen to configure your 3G settings. Click
Network Setting > Broadband > 3G
Backup
.
Service
Category
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.
VLAN
This section is available only when you select
ADSL/VDSL over PTM
in the
Type
field.
Active
Select
Enable
to enable VLAN on this WAN interface.
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.
OK
Click
OK
to save your changes.
Cancel
Click
Cancel
to exit this screen without saving.
Table 10
Network Setting > Broadband > Add New WAN Interface/Edit (ADSL over ATM-Bridge
Mode) (continued)
LABEL
DESCRIPTION
Page 75 / 327
Chapter 6 Broadband
VMG3926-B10A User’s Guide
75
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 25
Network Setting
>
Broadband > 3G Backup
The following table describes the labels in this screen.
Table 11
Network Setting
>
Broadband > 3G Backup
LABEL
DESCRIPTION
General
3G Backup
Select
Enable
to have the VMG use the 3G connection as your WAN or a backup when the
wired WAN connection fails.
Ping Check
Select
Enable
if you want the VMG 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 VMG ping the WAN interface’s default gateway IP address.
Ping the Host
Select this to have the VMG 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 VMG. Otherwise, it displays
N/A
.

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