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Page 17 / 327
VMG3926-B10A User’s Guide
17
C
HAPTER
1
Introducing the VMG
1.1
Overview
The VMG is a wireless VDSL router and Gigabit Ethernet gateway. It has a DSL port and a Gigabit
Ethernet port for super-fast Internet access. The VMG supports both Packet Transfer Mode (PTM)
and Asynchronous Transfer Mode (ATM). It is backward compatible with ADSL, ADSL2 and ADSL2+
in case VDSL is not available.
Only use firmware for your VMG’s specific model. Refer to the label on
the bottom of your VMG.
The VMG works over the analog telephone system, POTS (Plain Old Telephone Service). The VMG
has two USB ports for sharing files via a USB storage device or connecting a 3G dongle for a WAN
backup connection.
1.2
Ways to Manage the VMG
Use any of the following methods to manage the VMG.
•
Web Configurator. This is recommended for everyday management of the VMG using a
(supported) web browser.
•
TR-069. This is an auto-configuration server used to remotely configure your device.
1.3
Good Habits for Managing the VMG
Do the following things regularly to make the VMG more secure and to manage the VMG more
effectively.
•
Change the password. Use a password that’s not easy to guess and that consists of different
types of characters, such as numbers and letters.
•
Write down the password and put it in a safe place.
•
Back up the configuration (and make sure you know how to restore it). Restoring an earlier
working configuration may be useful if the device becomes unstable or even crashes. If you
forget your password, you will have to reset the VMG to its factory default settings. If you backed
up an earlier configuration file, you would not have to totally re-configure the VMG. You could
simply restore your last configuration.
Page 18 / 327
Chapter 1 Introducing the VMG
VMG3926-B10A User’s Guide
18
1.4
Applications for the VMG
Here are some example uses for which the VMG is well suited.
1.4.1
Internet Access
Your VMG provides shared Internet access by connecting the DSL port to the
DSL
or
MODEM
jack
on a splitter or your telephone jack. You can have multiple WAN services over one ADSL or VDSL.
The VMG cannot work in ADSL and VDSL mode at the same time.
Note: The ADSL and VDSL lines share the same WAN (layer-2) interfaces that you
configure in the VMG. Refer to
Section 6.2 on page 65
for the
Network Setting >
Broadband
screen.
Computers can connect to the VMG’s LAN ports (or wirelessly).
Figure 1
VMG’s Internet Access Application
You can also configure IP filtering on the VMG for secure Internet access. When the IP filter is on, all
incoming traffic from the Internet to your network is blocked by default unless it is initiated from
your network. This means that probes from the outside to your network are not allowed, but you
can safely browse the Internet and download files.
1.4.2
VMG’s USB Support
The USB port of the VMG is used for file-sharing and media server.
ADSL / VDSL
WLAN
PPPoE
IPoE
Bridging
WAN
ADSL
IPoA
WAN
LAN
LAN
WLAN
A
A
PPPoA
IPoE
PPPoE
Bridging
Page 19 / 327
Chapter 1 Introducing the VMG
VMG3926-B10A User’s Guide
19
File Sharing
Use the built-in USB 2.0 port to share files on a USB memory stick or a USB hard drive (
B
). You can
connect one USB hard drive to the VMG at a time. Use FTP to access the files on the USB device.
Figure 2
USB File Sharing Application
Media Server
You can also use the VMG as a media server. This lets anyone on your network play video, music,
and photos from a USB device (
B
) connected to the VMG’s USB port (without having to copy them
to another computer).
Figure 3
USB Media Server Application
1.5
LEDs (Lights)
The following graphic displays the labels of the LEDs.
B
A
B
A
Page 20 / 327
Chapter 1 Introducing the VMG
VMG3926-B10A User’s Guide
20
Figure 4
LEDs on the VMG
None of the LEDs are on if the VMG is not receiving power.
Table 1
LED Descriptions
LED
COLOR
STATUS
DESCRIPTION
Power
Green
On
The VMG is receiving power and ready for use.
Blinking
The VMG is self-testing.
Red
On
The VMG detected an error while self-testing, or there is a device
malfunction.
Off
The VMG is not receiving power.
DSL
Green
On
The VDSL line is up.
Blinking
The VMG is initializing the VDSL line.
Orange
On
The ADSL line is up.
Blinking
The VMG is initializing the ADSL line.
Off
The DSL line is down.
Internet
Green
On
The VMG has an IP connection but no traffic.
Your device has a WAN IP address (either static or assigned by a DHCP
server), PPP negotiation was successfully completed (if used) and the
DSL connection is up.
Blinking
The VMG is sending or receiving IP traffic.
Off
There is no Internet connection or the gateway is in bridged mode.
Red
On
The VMG attempted to make an IP connection but failed. Possible
causes are no response from a DHCP server, no PPPoE response, PPPoE
authentication failed.
Ethernet
WAN
Green
On
The VMG has a successful 1000 Mbps Ethernet connection on the WAN.
Blinking
The VMG is sending or receiving data to/from the WAN at 1000 Mbps.
Orange
On
The VMG has a successful 10/100 Mbps Ethernet connection on the
WAN.
Blinking
The VMG is sending or receiving data to/from the WAN at 10/100 Mbps.
Off
There is no Ethernet connection on the WAN.
LAN1~4
Green
On
The VMG has a successful 1000 Mbps Ethernet connection with a device
on the Local Area Network (LAN).
Blinking
The VMG is sending or receiving data to/from the LAN at 1000 Mbps.
Off
The VMG does not have an Ethernet connection with the LAN.
2.4G WLAN/
WPS
Green
On
The 2.4 GHz wireless network is activated.
Blinking
The VMG is communicating with 2.4 GHz wireless clients.
Orange
Blinking
The VMG is setting up a WPS connection with a 2.4 GHz wireless client.
Off
The 2.4 GHz wireless network is not activated.
5G WLAN/
WPS
Green
On
The 5 GHz wireless network is activated.
Blinking
The VMG is communicating with 5 GHz wireless clients.
Orange
Blinking
The VMG is setting up a WPS connection with a 5 GHz wireless client.
Off
The 5 GHz wireless network is not activated.

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