Robustel
GoRugged
R3000
‐
3P
‐
GPS
User
Guide
RT_UG_R3000_v.2.0.3
10.12.2014
113
/
129
4.3
Network
4.3.1
NAT
This
section
shows
users
how
to
set
the
NAT
configuration
of
router.
Parameter
Remote
IP
defines
if
access
is
allowed
to
route
to
the
Forwarded
IP
and
Port
via
WAN
IP
and
“Arrives
At
Port”.
Configuration
‐‐‐
>NAT/DMZ
‐‐‐
>Port
Forwarding
Note
:
This
section
will
be
hidden
if
user
selects
“Cellular
as
primary
and
if
fail
use
Eth0”
in
“Configuration
‐
>Link
Management”.
Explanations
for
above
diagram:
If
there
are
two
IP
addresses
58.1.1.1
and
59.1.1.1
for
the
External
Devices,
that
the
result
will
be
different
from
the
test
when
the
NAT
is
working
at
R3000.
58.1.1.1
‐‐‐‐‐‐‐‐‐‐
access
to
‐‐‐‐‐‐‐‐‐
>58.1.1.2:9990
‐‐‐‐‐‐‐‐‐‐
be
forwarded
to
‐‐‐‐‐‐‐
>10.1.1.1:8000
TCP
