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Enabled
radio button is checked. Be aware that this
IP will be exposed to the WAN/Internet.
Select the
Apply
button to apply your changes.
9.2.3 Virtual Server
In TCP/IP and UDP networks a port is a 16-bit number used to identify which
application program (usually a server) incoming connections should be delivered
to. Some ports have numbers that are pre-assigned to them by the IANA (the
Internet Assigned Numbers Authority), and these are referred to as “well-known
ports”. Servers follow the well-known port assignments so clients can locate them.
If you wish to run a server on your network that can be accessed from the
WAN (i.e. from other machines on the Internet that are outside your local
network), or any application that can accept incoming connections (e.g.
Peer-to-peer/P2P software such as instant messaging applications and P2P
file-sharing applications) and are using NAT (Network Address Translation),
then you will usually need to configure your router to forward these
incoming connection attempts using specific ports to the PC on your
network running the application. You will also need to use port forwarding if
you want to host an online game server
.
The reason for this is that when using NAT, your publicly accessible IP address
will be used by and point to your router, which then needs to deliver all traffic to
the private IP addresses used by your PCs. Please see the WAN configuration
section of this manual for more information on NAT.
The device can be configured as a virtual server so that remote users accessing
services such as Web or FTP services via the public (WAN) IP address can be
automatically redirected to local servers in the LAN network. Depending on the
requested service (TCP/UDP port number), the device redirects the external
service request to the appropriate server within the LAN network.
Field
Meaning
Rule Index
Choose the rule number
Start Port Number
Enter a port number in this field
End Port Number
Enter a port number in this field
Local IP Address
Enter your server IP address in this field
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9.2.4 IP Address Mapping
Field
Meaning
Rule Index
Choose the rule number
Rule Type
One-to-one:
This is the mode maps one local IP address
to one global IP address. Note that port numbers do not
change for the One-to-one NAT mapping type
Many-to-One:
This is the mode maps multiple local IP
addresses to one global IP address. This is equivalent to
Many to One (i.e., PAT, port address translation)
Many-to-Many Overload:
This is mode maps multiple
local IP addresses to shared global IP addresses
Many-to-Many No Overload:
This is the mode maps
each local IP
address to unique global IP addresses
Server:
This type allows you to specify inside servers of
different services behind the NAT to be accessible to the
outside world
Local Start IP
This is the starting Inside Local IP Address (ILA). Local IP
addresses are N/A
for Server
port mapping
Local End IP
This is the end Inside Local IP Address (ILA). If your rule
is for all local IP addresses, then enter 0.0.0.0 as the
Local Start IP address and 255.255.255.255 as the Local
End IP
address. This field is N/A
for One-to-one
and
Server mapping types
Public Start IP
This is the starting Inside Public IP Address. Enter 0.0.0.0
here if you have a dynamic IP address from your ISP
Public End IP
This is the ending Inside Public IP Address. This field is
N/A for One-to-one, Many-to-One
and Server mapping
types
If you have disabled the NAT option in the WAN-ISP section, the Virtual
Server function will hence be invalid.
If the DHCP server option is enabled, you have to be very careful in
assigning the IP addresses of the virtual servers in order to avoid
conflicts. The easiest way of configuring Virtual Servers is to manually
assign static IP address to each virtual server PC, with an address that
does not fall into the range of IP addresses that are to be issued by the
DHCP server. You can configure the virtual server IP address manually,
but it must still be in the same subnet as the router.
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9.3 ADSL
Field
Meaning
ADSL Mode
The default setting is
Auto Sync-UP
. This mode will
automatically detect your ADSL, ADSL2+, ADSL2,
G.dmt, G.lite, and T1.413. But in some area,
multimode cannot detect the ADSL line code well. If
it is the case, please adjust the ADSL line code to
G.dmt or T1.413 first. If it still fails, please try the
other values such as ALCTL, ADI, etc
ADSL Type
There are five modes “Open Annex Type and
Follow DSLAM’s Setting”, ”Annex A”, ”Annex I”,
“Annex A/L”, ”Annex M” and “Annex A/I/L/M” that
user can select for this connection
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CHAPTER 10: Maintenance
10.1 Administration
In factory setting, the default password is
atlantis
, and that for user is also
password. You can change the default password to ensure that someone cannot
adjust your settings without your permission. Every time you change your
password, please record the password and keep it at a safe place.
Field
Meaning
New Password
Type the new password in this field
Confirm Password
Type the new password again in this field
10.2 Time Zone
The router does not have a real time clock on board; instead, it uses the Simple
Network Time Protocol (SNTP) to get the current time from an SNTP server
outside your network. Choose your local time zone. After a successful connection
to the Internet, the router will retrieve the correct local time from the SNTP server
you have specified. If you prefer to specify an SNTP server other than those in
the drop-down list, simply enter its IP address as shown above. Your ISP may
provide an SNTP server for you to use.
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Field
Meaning
Synchronize time with
Select the time service protocol that your time
server sends when you turn on the Router
Time Zone
Choose the time zone of your location. This will set
the time difference between your time zone and
Greenwich Mean Time (GMT)
Daylight Saving
Select this option if you use daylight savings time
NTP Server Address
Enter the IP address of your time server. Check with
your ISP/network administrator if you are unsure of
this information
10.3 Firmware
Your router’s “firmware” is the software that allows it to operate and provides all
its functionality. Think of your router as a dedicated computer, and the firmware
as the software it runs. Over time this software may be improved and modified,
and your router allows you to upgrade the software it runs to take advantage of
these changes.
To upgrade the firmware of WEBSHARE ROUTER ADSL2+, you should
download or copy the firmware to your local environment first. Press the
“Browse…”
button to specify the path of the firmware file. Then, click
“Upgrade”
to start upgrading. When the procedure is completed, WEBSHARE ROUTER
ADSL2+ will reset automatically to make the new firmware work.

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