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Billion 400G
Router
Chapter 4: Configuration
36
Service Name: This item is for identification purposes. If it is required, your ISP will provide you the information.
Maximum input is 15 alphanumeric characters.
NAT:
The
NAT
(Network
Address
Translation)
feature
allows
multiple
users
to
access
the
Internet
through a
single
IP
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.
IP (0.0.0.0:Auto):
Specify
IP
addresses
that
are
allowed
to
logon
and
access
the
router’s
web
server..
Note:
IP
0.0.0.0
indicates
all
users
who
are
connected
to
this
router
are
allowed
to
logon
to
the
device
and
modify data.
Auth. Protocol:
Default
is
Chap
(Auto).
Your
ISP
will
advise
you
whether
to
use
Chap
or Pap.
Connection:
Always on:
If
you
want
the
router
to
establish
a
PPPoA
session
w
hen
starting
up
and
to automatically
re-establish
the
PPPoA
session
when
disconnected
by
the
ISP.
Connect on Demand:
If
you
want
to
establish
a
PPPoA
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.
Detail:
You
can
define
destination
p
ort
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.
MTU: Maximum Transmission Unit. The size of the largest datagram (excluding media-specific headers) that IP will
attempt to send through the interface.
RIP: RIP v1, RIP v2, and RIP v2 Multicast. Check to enable RIP function.
TCP MSS Clamp: This option helps to discover the optimal MTU size automatically. Default is enabled.
Obtain 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.
Primary DNS: Enter the primary DNS.
Secondary DNS: Enter the secondary DNS.