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Broadband Router User Guide
72
Options
This screen allows advanced users to enter or change a number of settings. For normal opera-
tion, there is no need to use this screen or change any settings.
An example
Options
screen is shown below.
Figure 47: Options Screen
Data - Options Screen
Backup DNS
IP Address
Enter the IP Address of the DNS (Domain Name Servers) here. These
DNS will be used only if the primary DNS is unavailable.
TFTP
Enable Firm-
ware Upgrade
using TFTP
If enabled, TFTP (Trivial FTP) can be used to upgrade the firm-
ware in this device. This is normally not required; a Windows
utility is available for this purpose.
You must obtain the firmware upgrade file first; instructions for
using TFTP will be available with the upgrade.
UPnP
Enable UPnP
Services
UPnP (Universal Plug and Play) allows automatic discovery and
configuration of equipment attached to your LAN. UPnP is by
supported by Windows ME, XP, or later.
If Enabled, this device will be visible via UPnP.
If Disabled, this device will not be visible via UPnP.
Allow Configu-
ration...
If checked, then UPnP users can change the configuration.
If Disabled, UPnP users can only view the configuration. But
currently, this restriction only applies to users running Windows
XP, who access the
Properties
via UPnP. (e.g. Right - click the
Broadband Router in
My Network Places
, and select
Properties
)
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Advanced Administration
73
Allow Internet
access to be
disabled
If checked, then UPnP users can disable Internet access via this
device.
If Disabled, UPnP users can NOT disable Internet access via this
device. But currently, this restriction only applies to users running
Windows XP, who access the
Properties
via UPnP. (e.g. Right -
click the Broadband Router in
My Network Places
, and select
Properties
)
MTU
MTU size
MTU (Maximum Transmission Unit) value should only be changed if
advised to do so by Technical Support.
Enter a value between 1 and 1500.
This device will still auto-negotiate with the remote server, to set
the MTU size. The smaller of the 2 values (auto-negotiated, or en-
tered here) will be used.
For direct connections (not PPPoE or PPTP), the MTU used is
always 1500.
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Broadband Router User Guide
74
PC Database
The PC Database is used whenever you need to select a PC (e.g. for the "DMZ" PC). It elimi-
nates the need to enter IP addresses. Also, you do not need to use fixed IP addresses on your
LAN.
PC Database Screen
An example
PC Database
screen is shown below.
Figure 48: PC Database
PCs which are "DHCP Clients" are automatically added to the database, and updated as
required.
By default, non-Server versions of Windows act as "DHCP Clients"; this setting is called
"Obtain an IP Address automatically".
The TW100-BRF114U uses the "Hardware Address" to identify each PC, not the name or
IP address. The "Hardware Address" can only change if you change the PC's network card
or adapter.
This system means you do NOT need to use Fixed (static) IP addresses on your LAN.
However, you can add PCs using Fixed (static) IP Addresses to the PC database if re-
quired.
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Advanced Administration
75
Data - PC Database Screen
Known PCs
This lists all current entries. Data displayed is
name (IP Address) type
.
The "type" indicates whether the PC is connected to the LAN.
Name
If adding a new PC to the list, enter its name here. It is best if this
matches the PC's "hostname".
IP Address
Enter the IP Address of the PC. The PC will be sent a "ping" to deter-
mine its hardware address. If the PC is not available (not connected, or
not powered On) you will not be able to add it.
Buttons
Add
This will add the new PC to the list. The PC will be sent a "ping" to
determine its hardware address. If the PC is not available (not con-
nected, or not powered On) you will not be able to add it.
Delete
Delete the selected PC from the list. This should be done in 2 situa-
tions:
The PC has been removed from your LAN.
The entry is incorrect.
Refresh
Update the data on screen.
Generate Report
Display a read-only list showing full details of all entries in the PC
database.
Advanced
Administration
View the Advanced version of the PC database screen -
PC Database
(Admin)
. See below for details.
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Broadband Router User Guide
76
PC Database (Admin)
This screen is displayed if the "Advanced Administration" button on the
PC Database
is
clicked. It provides more control than the standard
PC Database
screen.
Figure 49: PC Database (Admin)
Data - PC Database ( Admin) Screen
Known PCs
This lists all current entries. Data displayed is
name (IP Address) type
.
The "type" indicates whether the PC is connected to the LAN.
PC Properties
Name
If adding a new PC to the list, enter its name here. It is best if this
matches the PC's "hostname".
IP Address
Select the appropriate option:
Automatic
- The PC is set to be a DHCP client (Windows: "Ob-
tain an IP address automatically"). The TW100-BRF114U will
allocate an IP address to this PC when requested to do so. The IP
address could change, but normally won't.
DCHP Client - Reserved IP Address
- Select this if the PC is set
to be a DCHP client, and you wish to guarantee that the TW100-
BRF114U will always allocate the same IP Address to this PC.
Enter the required IP address. Only the last field is required; the
other fields must match the Broadband Router's IP address.
Fixed IP Address
- Select this if the PC is using a Fixed (Static)
IP address. Enter the IP address allocated to the PC. (The PC must
be configured to use this IP address.)
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