Robustel
GoRugged
R3000
‐
3P
‐
GPS
User
Guide
RT_UG_R3000_v.2.0.3
10.12.2014
85
/
129
Username
Set
the
username
which
will
assign
to
PPTP
client.
Null
Password
Set
the
password
which
will
assign
to
PPTP
client.
Null
Authentication
Select
from
“PAP”,
“CHAP”,
“MS
‐
CHAP
v1”
and
“MS
‐
CHAP
v2”.
PPTP
client
need
to
select
the
same
authentication
method
based
on
this
server’s
authentication
method.
CHAP
Local
IP
Set
the
IP
address
of
PPTP
server.
10.0.0.1
IP
Pool
Start
Set
the
IP
pool
start
IP
address
which
will
assign
to
the
PPTP
clients.
10.0.0.2
IP
Pool
End
Set
the
IP
pool
end
IP
address
which
will
assign
to
the
PPTP
clients.
10.0.0.100
Enable
MPPE
Tick
to
enable
MPPE
(Microsoft
Point
‐
to
‐
Point
Encryption).
It’s
a
protocol
for
encrypting
data
across
PPP
and
VPN
links.
Disable
Show
PPTP
Server
Advanced
Tick
to
show
the
PPTP
server
advanced
setting.
Disable
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,
it
considers
that
the
PPTP
tunnel
is
down
and
tries
tore
‐
establish
a
tunnel
with
the
peer.
30
Link
Detection
Max
Retries
Specify
the
max
retries
times
for
PPTP
link
detection.
5
Expert
Options
You
can
enter
some
other
PPP
initialization
strings
in
this
field.
Each
string
can
be
separated
by
a
space.
noccp
nobsdcomp
Route
Table
List
Click
“Add”
to
add
a
route
rule
from
PPTP
server
to
PPTP
client.
Null
3.27
Configuration
‐
>
SNMP
This
section
allows
users
to
set
the
SNMP
parameters.
