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Billion 800VGT Router
Idle
Timeout:
Auto-disconnect
the
router
when
there
is
no
activity
on
the
line
for
a
predetermined
period of
time.
²
Detail:
You
can
define
destination
port
and
packet
type
(TCP/UDP)
information
that
will
not
result
in
the
router
checking
the
timer.
It
allows
you
to
set
which
outgoing
traffic
will
not
trigger
and
reset
the
idle
timer.
RIP:
RIP
v1,
RIP
v2,
and
RIP
v2
Multicast.
Check
to
enable
RIP
function.
MTU:
Maximum
Transmission
Unit.
The
size
of
the
largest
datagram
(excluding
media-specific
headers)
that
IP
will
attempt
to
send
through
the
interface.
Advanced Options (PPPoE)
LLC
Header:
Selects
encapsulation
mode.
Select
true
to
use
LLC
or
false
to
use
VC-Mux.
Create
Route:
This
setting
specifies
whether
a
route
is
added
to
the
system
after
IPCP
(Internet
Protocol
Control
Protocol)
negotiation
is
completed.
If
set
to
enabled
,
a
route
will
be
created
which
directs
packets to
the
remote
end
of
the
PPP
link.
Specific
Route:
This
specifies
whether
the
route
created
when
a
PPP
link
comes
up
is
a
specific
or
default
route.
If
set
to
enabled
,
the
route
created
will
only
apply
to
packets
for
the
subnet
at
the
remote
end
of
the
PPP
link.
The
address
of
this
subnet
is
obtained
during
IPCP
negotiation.
Subnet
Mask:
This
sets
the
subnet
mask
used
for
the
local
IP
interface
connected
to
the
PPP
transport. If
the
value
0.0.0.0
is
supplied,
the
netmask
will
be
calculated
from
the
class
of
the
IP
address
obtained
during
IPCP
negotiation.
Route
Mask:
This
sets
the
subnet
mask
used
by
the
route
that
is
created
when
a
PPP
link
comes
up.
If
it is
set
to
0.0.0.0
,
the
subnet
mask
is
determined
by
the
IP
address
of
the
remote
end
of
the
link.
The
class of
the
IP
address
is
obtained
during
IPCP
(Internet
Protocol
Control
Protocol)
negotiation.
MRU:
Maximum
Receive
Unit.
This
is
negotiated
during
the
LCP
protocol
stage.
Discover
Primary
/
Secondary
DNS:
This
setting
enables/disables
whether
the
primary/secondary
DNS
server
address
is
requested
from
a
remote
PPP
peer
using
IPCP.
The
default
setting
for
this
command
is
enabled
.
Give
DNS
to
Relay:
This
controls
whether
the
PPP
Internet
Protocol
Control
Protocol
(IPCP)
can
request
the
DNS
server
IP
address
for
a
remote
PPP
peer.
Once
IPCP
has
discovered
the
DNS
server
IP
address,
it
automatically
gives
the
address
to
the
local
DNS
relay
so
that
a
connection
can
be
established.
Give
DNS
to
Client:
This
controls
whether
the
PPP
Internet
Protocol
Control
Protocol
(IPCP)
can
request
a
DNS
server
IP
address
for
a
remote
PPP
peer.
Once
IPCP
has
discovered
the
DNS
server
IP
address,
it
automatically
gives
the
address
to
the
local
DNS
client
so
that
a
connection
can
be
established.
Give
DNS
to
DHCP
Server:
Similar
to
the
above,
but
gives
the
DNS
server
address
to
the
DHCP
server.
Discover
Primary
NBNS
/
Discover
Secondary
NBNS:
This
setting
enables/disables
whether
the
primary/secondary
NBNS
server
address
is
requested
from
a
remote
PPP
peer
using
IPCP.
The
default
setting
for
this
command
is
disabled.
Discover
Subnet
Mask:
Specifies
if
the
subnet
mask
given
by
IPCP
negotiation
process
is
to
be
used.
Give
Subnet
Mask
To
DHCP
Server:
Enable
to
change
your
DHCP
Server
settings
by
using
the
given
information
in
IPCP
negotiation
process.
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Billion 800VGT Router
PPPoE (multisession)
PPPoE multisession allows the user to create multiple PPPoE sessions using a single PVC, using the
exact same principles as normal PPPoE as described above.
PPPoE
with
Pass-through
Connections
PPPoE
with
pass-through
adopts
the
following
method:
PPPoE
Routed
mode
+
1483
Bridge
Mode.
With
pure
PPPoE
connection,
the
router
can
get
one
WAN
address
for
the
router.
With
the
PPPoE
and
PPPoE
pass-through,
concurrently,
it
allows
users
to
have
a
WAN
address
assigned
to
the
router
but
also
able
to
get
another
WAN
IP
from
their
ISP
using
PPPoE
dialler
(e.g.
WinPoETor
Windows
XP
PPPoE Dialler)
at
the
same
time.
Description:
User-definable
name
for
this
connection.
VPI/VCI:
Enter
the
information
provided
by
your
ISP.
ATM
Class:
The
Quality
of
Service
for
ATM
layer.
NAT:
The
NAT
(Network
Address
Translation)
feature
allows
multiple
users
to
access
the
Internet
through
a
single
ISP
account,
sharing
a
single
IP
address.
If
users
on
your
LAN
have
public
IP
addresses
and
can
access
the
Internet
directly,
the
NAT
function
can
be
disabled.
Username:
Enter
the
username
provided
by
your
ISP.
You
can
input
up
to
128
alphanumeric
characters
(case
sensitive).
This
will
usually
be
in
the
format
of
“username@ispname”
instead
of
simply
“username”.
Password:
Enter
the
password
provided
by
your
ISP.
You
can
input
up
to
128
alphanumeric
characters
(case
sensitive).
Service
Name:
This
item
is
for
identification
purposes.
If
it
is
required,
your
ISP
will
provide
you
the
information.
Maximum
input
is
20
alphanumeric
characters.
IP
Address
:
This
specifies
if
the
router
can
get
an
IP
address
from
the
Internet
Server
Provider
(ISP)
automatically
or
not.
Please
click
Obtain
an
IP
address
automatically
via
DHCP
client
to
enable
the
DHCP
client
functionality
or
click
Specify
an
IP
address
to
disable
the
DHCP
client
functionality,
and
specify
the
IP
address
manually.
The
setting
of
this
item
is
specified
by
your
ISP.
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Billion 800VGT Router
Authentication
Protocol:
Default
is
Chap(Auto).
Your
ISP
will
advise
you
whether
to
use
Chap
or
Pap.
Connection:
²
Always
on:
If
you
want
the
router
to
establish
a
PPPoE
session
when
starting
up
and
to
automatically
re-establish
the
PPPoE
session
when
disconnected
by
the
ISP.
²
Connect
on
Demand:
If
you
want
to
establish
a
PPPoE
session
only
when
there
is
a
packet
requesting
access
to
the
Internet
(i.e.
when
a
program
on
your
computer
attempts
to
access
the
Internet).
Idle
Timeout:
Auto-disconnect
the
broadband
firewall
gateway
when
there
is
no
activity
on
the
line
for
a
predetermined
period
of
time.
²
Detail:
You
can
define
destination
port
and
packet
type
(TCP/UDP)
information
that
will
not
result
in
the
router
checking
the
timer.
It
allows
you
to
set
which
outgoing
traffic
will
not
trigger
and
reset
the
idle
timer.
²
RIP:
RIP
v1,
RIP
v2,
and
RIP
v2
Multicast.
Check
to
enable
RIP
function.
MTU:
Maximum
Transmission
Unit.
The
size
of
the
largest
datagram
(excluding
media-specific
headers)
that
the
IP
will
attempt
to
send
through
the
interface.
Advanced Options (PPPoE)
LLC
Header:
Selects
encapsulation
mode.
Select
true
to
use
LLC
or
false
to
use
VC-Mux.
Create
Route:
This
setting
specifies
whether
a
route
is
added
to
the
system
after
IPCP
(Internet
Protocol
Control
Protocol)
negotiation
is
completed.
If
set
to
enabled
,
a
route
will
be
created
which
directs
packets to
the
remote
end
of
the
PPP
link.
Specific
Route:
This
specifies
whether
the
route
created
when
a
PPP
link
comes
up
is
a
specific
or
default
route.
If
set
to
enabled
,
the
route
created
will
only
apply
to
packets
for
the
subnet
at
the
remote
end
of
the
PPP
link.
The
address
of
this
subnet
is
obtained
during
IPCP
negotiation.
Subnet
Mask:
This
sets
the
subnet
mask
used
for
the
local
IP
interface
connected
to
the
PPP
transport.
If
the
value
0.0.0.0
is
supplied,
the
netmask
will
be
calculated
from
the
class
of
the
IP
address
obtained
during
IPCP
negotiation.
Route
Mask:
This
sets
the
subnet
mask
used
by
the
route
that
is
created
when
a
PPP
link
comes
up.
If
it is
set
to
0.0.0.0
,
the
subnet
mask
is
determined
by
the
IP
address
of
the
remote
end
of
the
link.
The
class of
the
IP
address
is
obtained
during
IPCP
(Internet
Protocol
Control
Protocol)
negotiation.
MRU:
Maximum
Receive
Unit.
This
is
negotiated
during
the
LCP
protocol
stage.
Discover
Primary
/
Secondary
DNS:
This
setting
enables/disables
whether
the
primary/secondary
DNS
server
address
is
requested
from
a
remote
PPP
peer
using
IPCP.
The
default
setting
for
this
command
is
enabled
.
Give
DNS
to
Relay:
This
controls
whether
the
PPP
Internet
Protocol
Control
Protocol
(IPCP)
can
request
the
DNS
server
IP
address
for
a
remote
PPP
peer.
Once
IPCP
has
discovered
the
DNS
server
IP
address,
it
automatically
gives
the
address
to
the
local
DNS
relay
so
that
a
connection
can
be
established.
Give
DNS
to
Client:
This
controls
whether
the
PPP
Internet
Protocol
Control
Protocol
(IPCP)
can
request
a
DNS
server
IP
address
for
a
remote
PPP
peer.
Once
IPCP
has
discovered
the
DNS
server
IP
address,
it
automatically
gives
the
address
to
the
local
DNS
client
so
that
a
connection
can
be
established.
Give
DNS
to
DHCP
Server:
Similar
to
the
above,
but
gives
the
DNS
server
address
to
the
DHCP
server.
Discover
Primary
NBNS
/
Discover
Secondary
NBNS:
This
setting
enables/disables
whether
the
primary/secondary
NBNS
server
address
is
requested
from
a
remote
PPP
peer
using
IPCP.
The
default
setting
for
this
command
is
disabled.
Discover
Subnet
Mask:
Specifies
if
the
subnet
mask
given
by
IPCP
negotiation
process
is
to
be
used.
Give
Subnet
Mask
To
DHCP
Server:
Enable
to
change
your
DHCP
Server
settings
by
using
the
given
information
in
IPCP
negotiation
process.
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Billion 800VGT Router
DNS
A
Domain
Name
System
(DNS)
contains
a
mapping
table
for
mapping
between
Domain
Names
and
IP
addresses.
On
the
Internet,
every
host
has
a
unique
and
user-friendly
name
(domain
name)
such
as
www.helloworld.com
as
well
as
an
IP
address.
An
IP
address
is
a
32-bit
number
in
the
form
of
xxx.xxx.xxx.xxx
,
for
example
10.0.0.2.
You
can
think
of
an
IP
address
as
a
telephone
number
for
devices
on
the
Internet,
and
the
DNS
will
allow
you
to
find
the
telephone
number
for
any
particular
domain
name.
As
an
IP
Address
is
hard
to
remember,
the
DNS
converts
the
friendly
name
into
its
equivalent
IP
Address.
You
can
obtain
a
Domain
Name
System
(DNS)
IP
address
automatically
if
your
ISP
provides
it
when
you
logon.
To
use
this
automatically
supplied
DNS
check
the
Enable
box.
Usually
when
you
choose
PPPoE or
PPPoA
as
your
WAN
-
ISP
protocol,
the
ISP
will
provide
the
DNS
IP
address
automatically.
You
may leave
the
configuration
field
blank.
Alternatively,
your
ISP
may
provide
you
with
an
IP
address
of
their
DNS.
If
this
is
the
case,
you
must
enter
the
DNS
IP
address
manually.
If
you
choose
one
of
the
other
three
protocols
RFC1483
Routed/Bridged
or
IPoA,
please
check
with
your
ISP
as
it
may
provide
you
with
an
IP
address
for
their
DNS
server.
You
will
need
to
enter
the
DNS
IP
address
if
you
set
the
DNS
of
your
PC
to
the
LAN
IP
address
of
this
router.
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Billion 800VGT Router
ADSL
Connect
Mode:
This
mode
will
automatically
detect
your
ADSL
line
mode,
ADSL2+,
ADSL2,
G.dmt,
G.lite,
T1.413,
AnnexM2
or
AnnexM2+.
But
in
some
areas,
multimode
cannot
detect
the
ADSL
line
mode
very
well.
If
it
is
the
case,
please
adjust
the
ADSL
line
code
to
G.dmt
first.
If
it
still
fails,
,please
check
with
your
ISP
for
line
connect
information.
Activate
Line:
Select
false
and
then
select
true
to
activate
any
new
Connect
Mode
settings.
Coding
Gain:
This
reduces
the
router’s
transmit
power
and
will
effect
to
router’s
downstream
performance.
General,
the
higher
the
gain,
the
higher
the
downstream
rate,
but
sometimes
a
gain
that
is
too
high
will
cause
an
unstable
ADSL
connection.
The
configurable
ADSL
coding
gain
is
from
0
dB
to
7dB,
or
automatic.
Tx
Attenuation:
This
is
the
ADSL
transmission
power
that
the
modem
is
using.
The
lower
the
power
the
better
performance
in
router’s
upstream.
Configurable
value
is
between
0~12.
DSP
Firmware
Version:
Current
ADSL
line
code
firmware
version.
Connected:
Display
current
ADSL
line
sync
status.
Operational
Mode:
Display
current
ADSL
mode
standard
(Operational
Mode)
that
your
Router
is
using
when
ADSL
line
has
sync.
Annex
Type:
ADSL
Annex
A,
which
works
over
a
standard
telephone
line.
Annex
B,
which
works
over
an
ISDN
line.
In
South
Africa,
we
always
use
Annex
A
Upstream:
Display
current
upstream
rate
of
your
ADSL
line.
Downstream:
Display
current
downstream
rate
of
your
ADSL
line.
50
Chapter
4:
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