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Billion 400G
Router
Chapter 4: Configuration
38
IPoA Routed Connection
Profile Port: Select the profile port ADSL.
Protocol: The ATM protocol will be used in the device.
Description:
User-definable
name
for
the
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
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.
MTU: Maximum Transmission Unit. The size of the largest datagram (excluding media-specific headers) that IP will
attempt to send through the interface.
IP (0.0.0.0:Auto): Enter the WAN IP for the router. Leave this at 0.0.0.0 to obtain an IP address automatically from
your ISP.
Netmask: The default is 255.255.255.0. This can be changed according to the settings assigned by you ISP.
Gateway: Enter the IP address of the default gateway (if specified).
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.