Robustel
GoRugged
R3000
‐
3P
‐
GPS
User
Guide
RT_UG_R3000_v.2.0.3
10.12.2014
83
/
129
PPTP
Client
@
PPTP
Item
Description
Default
Add
Click
“Add”
to
add
a
PPTP
client
Enable
Enable
PPTP
Client.
The
max
tunnel
accounts
are
3.
Null
Disable
Disable
PPTP
Client.
Null
Remote
IP
Address
Enter
your
PPTP
server’s
public
IP
or
domain
name.
Null
Username
Enter
the
username
which
was
provided
by
your
PPTP
server.
Null
Password
Enter
the
password
which
was
provided
by
your
PPTP
server.
Null
Authentication
Select
from
“Auto”,
“PAP”,
“CHAP”,
“MS
‐
CHAP
v1”
and
“MS
‐
CHAP
v2”.
You
need
to
select
the
corresponding
authentication
method
based
on
the
server’s
authentication
method.
When
you
select
“Auto”,
router
will
auto
select
the
correct
method
based
on
server’s
method.
Auto
Enable
NAT
Click
to
enable
NAT
feature
of
PPTP.
The
source
IP
address
of
host
Behind
R3000
will
be
disguised
before
accessing
the
remote
PPTP
server.
Disable
Enable
MPPE
Tick
to
enable
MPPE
(Microsoft
Point
‐
to
‐
Point
Encryption).
It’s
a
protocol
for
encrypting
data
across
PPP
and
VPN
links.
Disable
All
traffic
via
this
interface
After
click
to
enable
this
feature,
all
data
traffic
will
be
sent
via
PPTP
tunnel.
Disable
Show
Advanced
Tick
to
enable
the
PPTP
client
advanced
setting.
Disable
Local
IP
Set
the
IP
address
of
the
PPTP
client.
You
can
enter
the
IP
which
assigned
by
PPTP
server.
Null
means
PPTP
client
will
obtain
an
IP
address
automatically
from
PPTP
server’s
IP
pool.
Null
Remote
IP
Enter
the
remote
peer’s
private
IP
address
or
remote
subnet’s
gateways
address.
Null
Address/Control
Compression
Used
for
PPP
initialization.
In
general,
you
need
to
enable
it
as
default.
Enable
Protocol
Field
Compression
Used
for
PPP
initialization.
In
general,
you
need
to
enable
it
as
default.
Enable
Asyncmap
Value
One
of
the
PPTP
initialization
strings.
In
general,
you
don’t
need
to
modify
this
value.
ffffffff
MRU
Maximum
Receiving
Unit.
It
is
the
identifier
of
the
maximum
size
of
packet,
which
is
possible
to
receive
in
a
given
environment.
1500
MTU
Maximum
Transmission
Unit.
It
is
the
identifier
of
the
maximum
size
of
packet,
which
is
possible
to
transfer
in
a
given
environment.
1436
Link
Detection
Interval
Specify
the
interval
between
PPTP
client
and
server.
To
check
the
connectivity
of
a
tunnel,
the
client
and
server
regularly
send
PPP
Echo
to
each
other.
If
the
client
or
server
receives
no
response
from
the
peer
within
a
specified
period
of
time,
it
retransmits
the
PPP
echo.
If
it
receives
no
response
from
the
peer
after
transmitting
the
PPP
echo
for
max
retries
times,
30
