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111
IPv4 Address
Enter the IPv4 IP address of the actual remote DHCP server in this field.
IP Addressing
Values
This field is only available when you select
Enable
in the
DHCP
field.
Beginning IP
Address
This field specifies the first of the contiguous addresses in the IP address pool.
Ending IP
Address
This field specifies the last of the contiguous addresses in the IP address pool.
Auto reserve IP
for the same
host
Select
Enable
to have the Device record DHCP IP addresses with the MAC addresses the IP
addresses are assigned to. The Device assigns the same IP address to the same MAC
address when the host requests an IP address again through DHCP.
DHCP Server
Lease Time
This is the period of time DHCP-assigned addresses is used. DHCP automatically assigns IP
addresses to clients when they log in. DHCP centralizes IP address management on central
computers that run the DHCP server program. DHCP leases addresses, for a period of time,
which means that past addresses are “recycled” and made available for future reassignment
to other systems.
This field is only available when you select
Enable
in the
DHCP
field.
Days/Hours/
Minutes
Enter the lease time of the DHCP server.
DNS Values
This field is only available when you select
Enable
in the
DHCP
field.
DNS
Select the type of service that you are registered for from your Dynamic DNS service
provider.
Select
Dynamic
if you have the Dynamic DNS service.
Select
Static
if you have the Static DNS service.
DNS Server 1
DNS Server 2
Enter the first and second DNS (Domain Name System) server IP address the Device passes
to the DHCP clients.
LAN IPv6 Mode Setup
IPv6 State
Select
Enable
to activate the IPv6 mode and configure IPv6 settings on the Device.
LAN IPv6 Address Setup
Delegate prefix
from WAN
Select this option to automatically obtain an IPv6 network prefix from the service provider
or an uplink router.
Static
Select this option to configure a fixed IPv6 address for the Device’s LAN IPv6 address.
ULA Pseudo-
Random Global
ID
A unique local address (ULA) is a unique IPv6 address for use in private networks but not
routable in the global IPv6 Internet.
Select this to have the Device automatically generate a globally unique address for the LAN
IPv6 address. The address format is like fdxx:xxxx:xxxx:xxxx::/64.
ULA IPv6 Address Setup
IPv6 Address
If you select static IPv6 address, enter the IPv6 address prefix that the Device uses for the
LAN IPv6 address.
Prefix Length
If you select static IPv6 address, enter the IPv6 prefix length that the Device uses to
generate the LAN IPv6 address.
An IPv6 prefix length specifies how many most significant bits (starting from the left) in the
address compose the network address. This field displays the bit number of the IPv6 subnet
mask.
Table 31
Network Setting > Home Networking > LAN Setup (continued)
LABEL
DESCRIPTION
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MLD Snooping
Multicast Listener Discovery (MLD) allows an IPv6 switch or router to discover the presence
of MLD hosts who wish to receive multicast packets and the IP addresses of multicast
groups the hosts want to join on its network. Select
Enable MLD Snooping
to activate MLD
Snooping on the Device. This allows the Device to check MLD packets passing through it and
learn the multicast group membership. It helps reduce multicast traffic.
MLD Mode
Select
Standard Mode
to have the Device forward IPv6 multicast packets to a port that
joins the IPv6 multicast group and broadcast unknown IPv6 multicast packets from the WAN
to all LAN ports.
Select
Blocking Mode
to have the Device block all unknown IPv6 multicast packets from
the WAN.
LAN IPv6
Address Assign
Setup
Select how you want to obtain an IPv6 address:
Stateless
: The Device uses IPv6 stateless autoconfiguration. RADVD (Router
Advertisement Daemon) is enabled to have the Device send IPv6 prefix information in
router advertisements periodically and in response to router solicitations. DHCPv6 server
is disabled.
Stateful
: The Device uses IPv6 stateful autoconfiguration. The DHCPv6 server is
enabled to have the Device act as a DHCPv6 server and pass IPv6 addresses to DHCPv6
clients.
Stateless and Stateful
: The Device uses both IPv6 stateless and stateful
autoconfiguration. The LAN IPv6 clients can obtain IPv6 addresses either through router
advertisements or through DHCPv6.
LAN IPv6 DNS
Assign Setup
Select how the Device provide DNS server and domain name information to the clients:
From Router Advertisement
: The Device provides DNS information through router
advertisements.
From DHCPv6 Server
: The Device provides DNS information through DHCPv6.
From RA & DHCPv6 Server
: The Device provides DNS information through both router
advertisements and DHCPv6.
DHCPv6 Configuration
DHCPv6 State
This shows the status of the DHCPv6.
IPv6 Router Advertisement State
RADVD State
This shows whether RADVD is enabled or not.
IPv6 DNS Values
IPv6 DNS
Server 1-3
Select
From ISP
if your ISP dynamically assigns IPv6 DNS server information.
Select
User-Defined
if you have the IPv6 address of a DNS server. Enter the DNS server
IPv6 addresses the Device passes to the DHCP clients.
Select
None
if you do not want to configure IPv6 DNS servers.
DNS Query
Scenario
Select how the Device handles clients’ DNS information requests.
IPv4/IPv6 DNS Server
: The Device forwards the requests to both the IPv4 and IPv6
DNS servers and sends clients the first DNS information it receives.
IPv6 DNS Server Only
: The Device forwards the requests to the IPv6 DNS server and
sends clients the DNS information it receives.
IPv4 DNS Server Only
: The Device forwards the requests to the IPv4 DNS server and
sends clients the DNS information it receives.
IPv6 DNS Server First
: The Device forwards the requests to the IPv6 DNS server first
and then the IPv4 DNS server. Then it sends clients the first DNS information it receives.
IPv4 DNS Server First
: The Device forwards the requests to the IPv4 DNS server first
and then the IPv6 DNS server. Then it sends clients the first DNS information it receives.
Apply
Click
Apply
to save your changes.
Cancel
Click
Cancel
to restore your previously saved settings.
Table 31
Network Setting > Home Networking > LAN Setup (continued)
LABEL
DESCRIPTION
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7.3
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 Device’s static DHCP settings. Click
Network Setting > Home
Networking
> Static DHCP
to open the following screen.
Figure 57
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 58
Static DHCP: Add/Edit
Table 32
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.
Status
This field displays whether the client is connected to the Device.
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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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 108
for more information on UPnP.
Use the following screen to configure the UPnP settings on your Device. Click
Network Setting >
Home Networking
> UPnP
to display the screen shown next.
Figure 59
Network Setting > Home Networking > UPnP
Table 33
Static DHCP: Add/Edit
LABEL
DESCRIPTION
Active
Select this to activate the connection between the client and the Device.
Group Name
Select the interface group name for which you want to configure static DHCP settings.
See
Chapter 12 on page 179
for how to create a new interface group.
Select Device Info
Select a device or computer from the drop-down list or select
Manual Input
to manually
enter a device’s MAC address and IP address in the following fields.
MAC Address
If you select
Manual Input
, enter the MAC address of a computer on your LAN.
IP Address
If you select
Manual Input
, 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.
Cancel
Click
Cancel
to exit this screen without saving.
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The following table describes the labels in this screen.
7.5
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
.
Table 34
Network Setting > 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 Device's IP address (although you
must still enter the password to access the web configurator).
UPnP NAT-T
Select
Enable
to allow UPnP-enabled applications to automatically configure the Device so
that they can communicate through the Device by using NAT traversal. UPnP applications
automatically reserve a NAT forwarding port in order to communicate with another UPnP
enabled device; this eliminates the need to manually configure port forwarding for the UPnP
enabled application.
The table below displays the NAT port forwarding rules added automatically by UPnP NAT-T.
#
This is the index number of the UPnP NAT-T connection.
Description
This is the description of the UPnP NAT-T connection.
IP Address
This is the IP address of the other connected UPnP enabled device.
External Port
This is the external port number that identifies the service.
Internal Port
This is the internal port number that identifies the service.
Apply
Click
Apply
to save your changes.
Cancel
Click
Cancel
to exit this screen without saving.

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