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TW100-BRV304 User Guide
38
Network Mask
The Network Mask associated with the IP Address above.
Default Gateway
The IP Address of the remote Gateway or Router associated with the
IP Address above.
DNS IP Address
The IP Address of the Domain Name Server which is currently used.
DHCP Client
This will show "Enabled" or "Disabled", depending on whether or
not this device is functioning as a DHCP client.
If "Enabled" the "Remaining lease time" field indicates when the IP
Address allocated by the DHCP Server will expire. The lease is
automatically renewed on expiry; use the "Renew" button if you wish
to manually renew the lease immediately.
Release/Renew
Button will display
EITHER
"Release"
OR
"Renew"
This button is only useful if the IP address shown above is allocated
automatically on connection. (Dynamic IP address). If you have a
Fixed (Static) IP address, this button has no effect.
If the ISP's DHCP Server has NOT allocated an IP Address for
the TW100-BRV304, this button will say "Renew". Clicking the
"Renew" button will attempt to re-establish the connection and
obtain an IP Address from the ISP's DHCP Server.
If an IP Address has been allocated to the TW100-BRV304 (by
the ISP's DHCP Server), this button will say "Release". Clicking
the "Release" button will break the connection and release the IP
Address.
Refresh
Update the data shown on screen.
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Operation and Status
39
Connection Details - Fixed/Dynamic IP Address
If your access method is "Direct" (no login), a screen like the following example will be
displayed when the "Connection Details" button is clicked.
Figure 26: Connection Details - Fixed/Dynamic IP Address
Data - Fixed/Dynamic IP address Screen
Physical Address
The hardware address of this device, as seen by remote devices on
the Internet. (This is different to the hardware address seen by
devices on the local LAN.)
IP Address
The IP Address of this device, as seen by Internet users. This address
is allocated by your ISP (Internet Service Provider).
Network Mask
The Network Mask associated with the IP Address above.
Default Gateway
The IP Address of the remote Gateway or Router associated with the
IP Address above.
DNS IP Address
The IP Address of the Domain Name Server which is currently used.
DHCP Client
This will show "Enabled" or "Disabled", depending on whether or
not this device is functioning as a DHCP client.
If "Enabled" the "Remaining lease time" field indicates when the IP
Address allocated by the DHCP Server will expire. The lease is
automatically renewed on expiry; use the "Renew" button if you wish
to manually renew the lease immediately.
Release/Renew
Button will display
EITHER
This button is only useful if the IP address shown above is allocated
automatically on connection. (Dynamic IP address). If you have a
Fixed (Static) IP address, this button has no effect.
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TW100-BRV304 User Guide
40
"Release"
OR
"Renew"
If the ISP's DHCP Server has NOT allocated an IP Address for
the TW100-BRV304, this button will say "Renew". Clicking the
"Renew" button will attempt to re-establish the connection and
obtain an IP Address from the ISP's DHCP Server.
If an IP Address has been allocated to the TW100-BRV304 (by
the ISP's DHCP Server), this button will say "Release". Clicking
the "Release" button will break the connection and release the IP
Address.
Refresh
Update the data shown on screen.
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41
Chapter 6
Internet Features
This Chapter explains when and how to use the TW100-BRV304's "Internet"
Features.
Overview
The following advanced features are provided.
Advanced Internet
Communication Applications
Special Applications
DMZ
URL filter
Dynamic DNS
Virtual Servers
Options
Advanced Internet Screen
Figure 27: Internet Screen
This screen allows configuration of all advanced features relating to Internet access.
Communication Applications
Special Applications
DMZ
URL filter
6
Page 45 / 123
TW100-BRV304 User Guide
42
Communication Applications
Most applications are supported transparently by the TW100-BRV304. But sometimes it is not
clear which PC should receive an incoming connection. This problem could arise with the
Communication Applications
listed on this screen.
If this problem arises, you can use this screen to set which PC should receive an incoming
connection, as described below.
Select an Application
This lists applications which may generate incoming connections,
where the destination PC (on your local LAN) is unknown.
Send incoming calls to
This lists the PCs on your LAN.
If necessary, you can add PCs manually, using the "PC
Database" option on the advanced menu.
For each application listed above, you can choose a destina-
tion PC.
There is no need to "Save" after each change; you can set the
destination PC for each application, then click "Save".
Special Applications
If you use Internet applications which use non-standard connections or port numbers, you may
find that they do not function correctly because they are blocked by the TW100-BRV304 's
firewall. In this case, you can define the application as a "Special Application".
Special Applications Screen
This screen can be reached by clicking the
Special Applications
button on the
Advanced
Internet
screen.
You can then define your Special Applications. You will need detailed information about the
application; this is normally available from the supplier of the application.
Also, note that the terms "Incoming" and "Outgoing" on this screen refer to traffic from the
client (PC) viewpoint

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