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Billion 800VGT Router
Configuring
L2TP
VPN
in
the
Branch
Office
The
IP
address
69.1.121.30
is
the
Public
IP
address
of
the
router
located
in
head
office.
If
you
registered
a
DDNS
account,
(please
refer
to
the
DDNS
section
of
this
manual),
you
can
also
use
the
DDNS
domain
name
instead
of
the
IP
address
to
reach
the
router.
1
2
3
4
5
6
7
Item
Function
Description
1
Connection
Name
BranchOffice
Given
name
of
the
L2TP
connection
Dial
out
select
Dial
out
2
Server
IP
Address
(or
Hostname)
69.121.1.33
IP
address
of
the
head
office
router
(WAN
side)
Peer
Network
IP
192.168.1.0
3
Netmask
255.255.255.0
Head
office
network
Username
username
4
Password
123456
Username
&
password
required
to
to
authenticate
the
branch
office
network
5
Auth.Type
Chap(Auto)
Keep
these
settings
set
to
the
default
values
in
most
cases..
6
Idle
Timeout
0
The
connection
will
be
disconnected
when
there
is
no
traffic
over
it
for
this
predefined
period
of
time.
If
Idle
time
is
set
to
0,
it
means
that
the
connection
will
never
time
out.
IPSec
Select
Enable
to
enhance
your
L2TP
VPN
security...
Authentication
MD5
Encryption
3DES
Perfect
Forward
Secrecy
None
7
Pre-shared
Key
12345678
Both
sides
of
the
tunnel
should
use
the
same
settings
for
these
options.
98
Chapter
4:
Configuration