43
Parameter
Description
IP
It
specifies
the
IP
address
of
a
server
under
the
LAN
of
the
router.
Private
Port
It
specifies
the
service
port
number
of
a
server
under
the
LAN
of
the
router.
Global
Port
It
specifies
a
router
port
accessible
to
internet
users.
Protocol
It
specifies
the
protocol
of
a
service
provided
through
the
router
for
internet
users.
The
available
protocols
include
ICMP
,
TCP
and
UDP
.
Application
Scenario
A
4G680
is
used
to
set
up
a
LAN
and
a
web
server
on
the
LAN
must
be
accessible
to
internet
users.
This
requirement
can
be
addressed
using
the
virtual
server
function.
The
following
figure
shows
the
application
scenario.
Network
requirement
The
WAN
port
of
the
router
is
assigned
a
public
IP
address.
Computer
1
is
assigned
a
static
IP
address.
The
default
gateway
IP
address
is
the
192.168.0.150.
All
the
firewall
and
antivirus
software
that
may
deny
internet
users'
access
to
the
LAN
server
is
disabled
when
virtual
server
function
is
used.
Configuration
Procedures
for
configuring
the
virtual
server
function:
Step
1
Start
a
web
browser
on
the
device
connected
to
the
router,
and
visit
192.168.0.1
.
Step
2
Choose
Security
>
NAT
.
IP
address
of
the
web
server:
192.168.0.150
WAN
IP
address
of
the
router:
102.33.66.88
