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AMG1302/AMG1202-TSeries User’s Guide
121
C
HAPTER
8
Home Networking
8.1
Overview
A Local Area Network (LAN) is a shared communication system to which many networking devices
are connected. It is usually located in one immediate area such as a building or floor of a building.
Use the LAN screens to help you configure a LAN DHCP server and manage IP addresses.
8.1.1
What You Can Do in the LAN Screens
•
Use the
LAN Setup
screen to set the LAN IP address, subnet mask, and DHCP settings of your
AMG1302/AMG1202-TSeries (
Section 8.2 on page 123
).
•
Use the
Static DHCP
screen to assign IP addresses on the LAN to specific individual computers
based on their MAC Addresses (
Section 8.3 on page 125
).
•
Use the
UPnP
screen to enable UPnP and UPnP NAT traversal on the AMG1302/AMG1202-TSeries
(
Section 8.4 on page 126
).
•
Use the
IP Alias
screen (
Section 8.5 on page 126
) to change your AMG1302/AMG1202-TSeries’s
IP alias settings.
•
Use the
IPv6 LAN Setup
screen (
Section 8.6 on page 127
) to configure the IPv6 settings on
your AMG1302/AMG1202-TSeries’s LAN interface.
8.1.2
What You Need To Know
8.1.2.1
About LAN
IP Address
IP addresses identify individual devices on a network. Every networking device (including
computers, servers, routers, printers, etc.) needs an IP address to communicate across the
network. These networking devices are also known as hosts.
DSL
LAN
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Chapter 8 Home Networking
AMG1302/AMG1202-TSeries User’s Guide
122
Subnet Mask
Subnet masks determine the maximum number of possible hosts on a network. You can also use
subnet masks to divide one network into multiple sub-networks.
DHCP
A DHCP (Dynamic Host Configuration Protocol) server can assign your AMG1302/AMG1202-TSeries
an IP address, subnet mask, DNS and other routing information when it's turned on.
DNS
DNS (Domain Name System) is for mapping a domain name to its corresponding IP address and
vice versa. The DNS server is extremely important because without it, you must know the IP
address of a networking device before you can access it.
8.1.2.2
About UPnP
Identifying UPnP Devices
UPnP hardware is identified as an icon in the Network Connections folder (Windows XP). Each UPnP
compatible device installed on your network will appear as a separate icon. Selecting the icon of a
UPnP device will allow you to access the information and properties of that device.
NAT Traversal
UPnP NAT traversal automates the process of allowing an application to operate through NAT. UPnP
network devices can automatically configure network addressing, announce their presence in the
network to other UPnP devices and enable exchange of simple product and service descriptions.
NAT traversal allows the following:
•
Dynamic port mapping
•
Learning public IP addresses
•
Assigning lease times to mappings
Windows Messenger is an example of an application that supports NAT traversal and UPnP.
See the
Chapter 11 on page 151
for more information on NAT.
Cautions with UPnP
The automated nature of NAT traversal applications in establishing their own services and opening
firewall ports may present network security issues. Network information and configuration may also
be obtained and modified by users in some network environments.
When a UPnP device joins a network, it announces its presence with a multicast message. For
security reasons, the AMG1302/AMG1202-TSeries allows multicast messages on the LAN only.
All UPnP-enabled devices may communicate freely with each other without additional configuration.
Disable UPnP if this is not your intention.
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Chapter 8 Home Networking
AMG1302/AMG1202-TSeries User’s Guide
123
UPnP and ZyXEL
ZyXEL has achieved UPnP certification from the Universal Plug and Play Forum UPnP™
Implementers Corp. (UIC). ZyXEL's UPnP implementation supports Internet Gateway Device (IGD)
1.0.
Finding Out More
See
Section 8.7 on page 131
for technical background information on LANs.
8.1.3
Before You Begin
Find out the MAC addresses of your network devices if you intend to add them to the DHCP Client
List screen.
8.2
The LAN Setup Screen
Use this screen to set the Local Area Network IP address, subnet mask and advanced networking
settings such as RIP, multicast of your AMG1302/AMG1202-TSeries. Click
Network Setting >
Home Networking
to open the
LAN Setup
screen.
Figure 47
Network Setting > Home Networking > LAN Setup
Page 124 / 320
Chapter 8 Home Networking
AMG1302/AMG1202-TSeries User’s Guide
124
The following table describes the fields in this screen.
Table 30
Network Setting > Home Networking > LAN Setup
LABEL
DESCRIPTION
LAN IP Setup
IP Address
Enter the LAN IP address you want to assign to your AMG1302/AMG1202-TSeries in
dotted decimal notation, for example, 192.168.1.1 (factory default).
Subnet Mask
Type the subnet mask of your network in dotted decimal notation, for example
255.255.255.0 (factory default). Your AMG1302/AMG1202-TSeries automatically
computes the subnet mask based on the IP Address you enter, so do not change this
field unless you are instructed to do so.
Dynamic Route
RIP (Routing Information Protocol) allows a router to exchange routing information
with other routers. Select the RIP version from
RIP1
and
RIP2
.
Direction
Use this field to control how much routing information the VDSL Router sends and
receives on the subnet. Select the
RIP Direction
from
None
,
Both
,
IN Only
and
OUT Only
.
Multicast
IGMP (Internet Group Multicast Protocol) is a network-layer protocol used to establish
membership in a multicast group. The AMG1302/AMG1202-TSeries supports
IGMP
v1/IGMP v2/IGMP v3
. Select
None
to disable it.
IGMP Snooping
Select
Enabled
to activate IGMP Snooping. This allows the AMG1302/AMG1202-
TSeries to passively learn memberships in multicast groups. Otherwise, select
Disabled
to deactivate it.
DHCP Server State
DHCP
If set to
Enable
, your AMG1302/AMG1202-TSeries can assign IP addresses, an IP
default gateway and DNS servers to Windows 95, Windows NT and other systems that
support the DHCP client.
If set to
Disable
, the DHCP server will be disabled.
If set to
DHCP Relay
, the AMG1302/AMG1202-TSeries acts as a surrogate DHCP
server and relays DHCP requests and responses between the remote server and the
clients. Enter the IP address of the actual, remote DHCP server in the
Remote DHCP
Server
field in this case.
When DHCP is used, the following items need to be set:
IP Addressing Values
Beginning IP Address
This field specifies the first of the contiguous addresses in the IP address pool.
Pool Size
This field specifies the size, or count of the IP address pool.
DHCP Server Lease Time
Lease Time
This field specifies the lease time in seconds of an IP address assigned by the DHCP
server.
DNS Values
DNS
Select
Dynamic
to have the AMG1302/AMG1202-TSeries pass a DNS (Domain Name
System) server IP address to the DHCP clients.
Select
Static
and enter the DNS server IP address(es) in the fields below, if you know
the IP address.
DNS Server 1/2
Enter the IP address of your primary/secondary DNS server.
Apply
Click this to save your changes.
Cancel
Click this to restore your previously saved settings.
Advanced Setup
Click this to display the
Advanced LAN Setup
screen and edit more details of your
LAN setup.
Page 125 / 320
Chapter 8 Home Networking
AMG1302/AMG1202-TSeries User’s Guide
125
8.3
The Static DHCP Screen
This table allows you to assign IP addresses on the LAN to specific individual computers based on
their MAC Addresses.
Every Ethernet device has a unique MAC (Media Access Control) address. The MAC address is
assigned at the factory and consists of six pairs of hexadecimal characters, for example,
00:A0:C5:00:00:02.
Use this screen to change your AMG1302/AMG1202-TSeries’s static DHCP settings. Click
Network
Setting > Home Networking
> Static DHCP
to open the following screen.
Figure 48
Network Setting > Home Networking > Static DHCP
The following table describes the labels in this screen.
If you click
Add new static lease
in the
Static DHCP
screen or the
Edit
icon next to a static DHCP
entry, the following screen displays.
Figure 49
Static DHCP: Add/Edit
Table 31
Network Setting > Home Networking > Static DHCP
LABEL
DESCRIPTION
Add new static lease
Click this to add a new static DHCP entry.
#
This is the index number of the entry.
Active
This field displays whether the client is connected to the AMG1302/AMG1202-TSeries.
MAC Address
The MAC (Media Access Control) or Ethernet address on a LAN (Local Area Network) is
unique to your computer (six pairs of hexadecimal notation).
A network interface card such as an Ethernet adapter has a hardwired address that is
assigned at the factory. This address follows an industry standard that ensures no other
adapter has a similar address.
IP Address
This field displays the IP address relative to the # field listed above.
Modify
Click the
Edit
icon to have the IP address field editable and change it.
Click the
Delete
icon to delete a static DHCP entry. A window displays asking you to
confirm that you want to delete the selected entry.

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