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Page 21 / 112 Scroll up to view Page 16 - 20
YML754 Rev1
NB5Plus4/W User Guide
www.netcomm.com.au
±1
Setup
Click the Setup tab.
The Setup screen allows you to change current settings for your LAN (Local Area
Network), Ethernet Switch and WAN (Wide Area Network). You can also create new
connection profiles.
Page 22 / 112
NB5Plus4/W User Guide
YML754Rev1
±±
www.netcomm.com.au
Setup>LAN Configuration
Click on the LAN Configuration link under the Setup menu to configure your Local
Area Network settings.
Interfaces
This section displays the available interfaces on your modem that have yet to be
configured. The default setting is to have all interfaces in LAN group 1.
It is possible to have separate LAN groups:
•
three if you have the NB5Plus4W:
i)
USB;
ii)
Ethernet;
iii)
WLAN (Wireless LAN);
•
two if you have the NB5Plus4:
i)
USB;
ii)
Ethernet;
LAN Groups
Configuring LAN Groups with static IP addresses must be done in such a way that
the range of assignable IP addresses in each of the LAN groups should not overlap
with other LAN groups. A rule of thumb would be that each LAN group should be
on its own network or subnet. For example, say you have 3 LAN groups each being
setup with static IP addressing. Below is a sample configuration:
LanGroup #1
IP Address 192.168.1.1
NetMask 255.255.255.0
LanGroup #2
IP Address 192.168.2.1
NetMask 255.255.255.0
Page 23 / 112
YML754 Rev1
NB5Plus4/W User Guide
www.netcomm.com.au
±²
LanGroup #3
IP Address 192.168.3.1
NetMask 255.255.255.0
The above example shows that each LAN group is on its own network and that there
is no overlap in assignable IP address based on netmask.
To remove an interface from LAN group 1, click on the interface (e.g. USB) and click
the Remove button:
To add the available interface from the Interfaces section to a LAN group, highlight
the interface and click the Add button of the appropriate LAN group. To add the
available USB interface to LAN group 2 highlight the USB interface in the Interfaces
section and click the Add button for LAN group 2:
Page 24 / 112
NB5Plus4/W User Guide
YML754Rev1
±4
www.netcomm.com.au
Configuring LAN Groups
To configure an interface of a LAN group click the interface and click the Configure
hyperlink. E.g. to configure the Ethernet interface for LAN group 1 click the Ethernet
interface and click the Configure hyperlink:
You will be presented with the following screen:
Page 25 / 112
YML754 Rev1
NB5Plus4/W User Guide
www.netcomm.com.au
±5
IP Settings
The
IP address is usually 192.168.1.1 but you can change it to another suitable
number (e.g. 192.168.0.1 or 10.0.0.1 or 172.16.1.1) to suit any existing network
devices you already have installed. The NetMask describes how big your network is,
the default 255.255.255.0 will allow for 253 computers and generally does not need
to be changed unless to suit existing network requirements.
Note:
If you change your IP address the DHCP server in your modem will auto-
matically change the IP address range (DHCP pool) it hands out accord-
ingly.
Option
Description
IP Address:
Private IP address for connecting
to a local private network (Default:
192.168.1.1).
Netmask:
Netmask for the local private network
(Default: 255.255.255.0).
Default Gateway:
This field is optional. Enter in the IP ad
-
dress of the router on your network.
Host Name:
Required by some ISPs. If the ISP does
not provide the Host name, please leave
it blank.
Domai° Name:
www.dyndns.org will provide you with
a Domain Name. Enter this name in the
“Domain Name” field.
Apply:
Click Apply to save the changes.
DHCP stands for Dynamic Host Configuration Protocol. Your Modem has its DHCP
Server enabled by default.
This means it will assign valid IP addresses to each
computer connected to it and will direct those computers to use the Modem as the
gateway to the Internet. Having the DHCP server enabled is the recommended
choice.
When selecting certain radio buttons you will notice that some of the options avail-
able for configuration will be greyed out. For example, when selecting ‘Unmanaged’
you will notice that all fields under IP Settings are greyed out. This means that no
settings are configurable if the interface is unmanaged.
Option
Description
U°ma°a±ed
Interface is ignored.
Obtai° a° IP Address automatically
Interface will be allocated an IP address
by a DHCP server.
IP Address
The IP address assigned to the interface
by a DHCP server on your network.
Netmask:
The subnet mask assigned to the inter-
face by a DHCP server on your network.
Release butto°
It is possible to release the IP address
by clicking the Release button.

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