Network Router User's Manual
Billion 800VGT Router
Ethernet
Primary
IP
Address
IP
Address:
The
default
IP
on
this
router.
SubNetmask:
The
default
subnet
mask
on
this
router.
RIP:
RIP
v1,
RIP
v2,
and
RIP
v2
Multicast.
Check
to
enable
RIP
function.
IP
Alias
This
function
supports
to
create
multiple
virtual
IP
interfaces
on
this
router.
this
helps
if
you
wish
to
connect
two
or
more
local
networks
using
different
IP
ranges
to
internet
via
the
router.
In
this
case,
an
additional
internal
router
is
not
required.
IP
Address:
Specify
an
IP
address
on
this
virtual
interface.
SubNetmask:
Specify
a
subnet
mask
on
this
virtual
interface.
Security
Interface:
Specify
the
firewall
setting
on
this
virtual
interface.
Internal:
The
network
is
behind
NAT.
All
traffic
will
do
network
address
translation
(NAT)
when
sending
out
to
Internet
(if
NAT
is
enabled).
External:
There
is
no
NAT
on
this
IP
interface
and
it
is
connected
to
the
Internet
directly.
This
can
be
used
when
your
ISP
provides
multiple
public
IP
addresses.
DMZ:
Specify
this
network
as
a
DMZ
area.
There
is
no
NAT
on
this
interface.
30
Chapter
4:
Configuration