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Page 116 / 344 Scroll up to view Page 111 - 115
Chapter 7 Home Networking
P-2601HN(L)-F1 Series User’s Guide
116
If you click
Add new static lease
in the
Static DHCP
screen, the following
screen displays.
Figure 36
Static DHCP: Add
The following table describes the labels in this screen.
7.4
The UPnP Screen
Universal Plug and Play (UPnP) is a distributed, open networking standard that
uses TCP/IP for simple peer-to-peer network connectivity between devices. A
UPnP device can dynamically join a network, obtain an IP address, convey its
capabilities and learn about other devices on the network. In turn, a device can
leave a network smoothly and automatically when it is no longer in use.
See
page 119
for more information on UPnP.
Use the following screen to configure the UPnP settings on your ZyXEL Device.
Click
Network Setting > Home Networking
> Static DHCP > UPnP
to display
the screen shown next.
Figure 37
Network Setting > Home Networking > UPnP
Table 22
Static DHCP: Add
LABEL
DESCRIPTION
MAC Address
Enter the MAC address of a computer on your LAN.
IP Address
Enter the IP address that you want to assign to the computer on your
LAN with the MAC address that you will also specify.
Apply
Click
Apply
to save your changes.
Back
Click
Back
to exit this screen without saving.
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The following table describes the labels in this screen.
7.5
Technical Reference
This section provides some technical background information about the topics
covered in this chapter.
LANs, WANs and the ZyXEL Device
The actual physical connection determines whether the ZyXEL Device ports are
LAN or WAN ports. There are two separate IP networks, one inside the LAN
network and the other outside the WAN network as shown next.
Figure 38
LAN and WAN IP Addresses
DHCP Setup
DHCP (Dynamic Host Configuration Protocol, RFC 2131 and RFC 2132) allows
individual clients to obtain TCP/IP configuration at start-up from a server. You can
configure the ZyXEL Device as a DHCP server or disable it. When configured as a
server, the ZyXEL Device provides the TCP/IP configuration for the clients. If you
turn DHCP service off, you must have another DHCP server on your LAN, or else
the computer must be manually configured.
Table 23
Network Settings > Home Networking > UPnP
LABEL
DESCRIPTION
UPnP
Select
Enable
to activate UPnP. Be aware that anyone could use a
UPnP application to open the web configurator's login screen without
entering the ZyXEL Device's IP address (although you must still enter
the password to access the web configurator).
Apply
Click
Apply
to save your changes.
WAN
LAN
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118
IP Pool Setup
The ZyXEL Device is pre-configured with a pool of IP addresses for the DHCP
clients (DHCP Pool). See the product specifications in the appendices. Do not
assign static IP addresses from the DHCP pool to your LAN computers.
LAN TCP/IP
The ZyXEL Device has built-in DHCP server capability that assigns IP addresses
and DNS servers to systems that support DHCP client capability.
IP Address and Subnet Mask
Similar to the way houses on a street share a common street name, so too do
computers on a LAN share one common network number.
Where you obtain your network number depends on your particular situation. If
the ISP or your network administrator assigns you a block of registered IP
addresses, follow their instructions in selecting the IP addresses and the subnet
mask.
If the ISP did not explicitly give you an IP network number, then most likely you
have a single user account and the ISP will assign you a dynamic IP address when
the connection is established. If this is the case, it is recommended that you select
a network number from 192.168.0.0 to 192.168.255.0 and you must enable the
Network Address Translation (NAT) feature of the ZyXEL Device. The Internet
Assigned Number Authority (IANA) reserved this block of addresses specifically for
private use; please do not use any other number unless you are told otherwise.
Let's say you select 192.168.1.0 as the network number; which covers 254
individual addresses, from 192.168.1.1 to 192.168.1.254 (zero and 255 are
reserved). In other words, the first three numbers specify the network number
while the last number identifies an individual computer on that network.
Once you have decided on the network number, pick an IP address that is easy to
remember, for instance, 192.168.1.1, for your ZyXEL Device, but make sure that
no other device on your network is using that IP address.
The subnet mask specifies the network number portion of an IP address. Your
ZyXEL Device will compute the subnet mask automatically based on the IP
address that you entered. You don't need to change the subnet mask computed by
the ZyXEL Device unless you are instructed to do otherwise.
Private IP Addresses
Every machine on the Internet must have a unique address. If your networks are
isolated from the Internet, for example, only between your two branch offices, you
can assign any IP addresses to the hosts without problems. However, the Internet
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119
Assigned Numbers Authority (IANA) has reserved the following three blocks of IP
addresses specifically for private networks:
• 10.0.0.0
— 10.255.255.255
• 172.16.0.0
— 172.31.255.255
•
192.168.0.0 — 192.168.255.255
You can obtain your IP address from the IANA, from an ISP or it can be assigned
from a private network. If you belong to a small organization and your Internet
access is through an ISP, the ISP can provide you with the Internet addresses for
your local networks. On the other hand, if you are part of a much larger
organization, you should consult your network administrator for the appropriate IP
addresses.
Note:
Regardless of your particular situation, do not create an arbitrary IP address;
always follow the guidelines above. For more information on address
assignment, please refer to RFC 1597, “Address Allocation for Private
Internets”
and RFC 1466, “Guidelines for Management of IP Address Space”.
7.6
Installing UPnP in Windows Example
This section shows how to install UPnP in Windows Me and Windows XP.
Installing UPnP in Windows Me
Follow the steps below to install the UPnP in Windows Me.
1
Click
Start
and
Control Panel
. Double-click
Add/Remove Programs
.
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2
Click the
Windows Setup
tab and select
Communication
in the
Components
selection box. Click
Details
.
Figure 39
Add/Remove Programs: Windows Setup: Communication
3
In the
Communications
window, select the
Universal Plug and Play
check box
in the
Components
selection box.
Figure 40
Add/Remove Programs: Windows Setup: Communication: Components
4
Click
OK
to go back to the
Add/Remove Programs Properties
window and click
Next
.
5
Restart the computer when prompted.

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