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Page 81 / 228 Scroll up to view Page 76 - 80
Chapter 6 Home Networking
ericom D1000 modem User’s Guide
81
6.3
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.
DHCP
If set to
Enable
, your Device 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 Device 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
IP Pool Starting
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 Server 1
DNS Server 2
Select
Obtained From ISP
if your ISP dynamically assigns DNS server information
(and the Device's WAN IP address).
Select
UserDefined
if you have the IP address of a DNS server. Enter the DNS
server's IP address in the field to the right. If you chose
UserDefined
, but leave the
IP address set to 0.0.0.0,
UserDefined
changes to
None
after you click
Apply
. If you
set a second choice to
UserDefined
, and enter the same IP address, the second
UserDefined
changes to
None
after you click
Apply
.
Select
DNS Relay
to have the Device act as a DNS proxy only when the ISP uses IPCP
DNS server extensions. The Device's LAN IP address displays in the field to the right
(read-only). The Device tells the DHCP clients on the LAN that the Device itself is the
DNS server. When a computer on the LAN sends a DNS query to the Device, the
Device forwards the query to the real DNS server learned through IPCP and relays the
response back to the computer. You can only select
DNS Relay
for one of the three
servers; if you select
DNS Relay
for a second server, that choice changes to
None
after you click
Apply
.
Select
None
if you do not want to configure DNS servers. You must have another
DHCP sever on your LAN, or else the computers must have their DNS server addresses
manually configured. If you do not configure a DNS server, you must know the IP
address of a computer in order to access it.
Apply
Click this to save your changes.
Cancel
Click this to restore your previously saved settings.
Table 21
Network Setting > Home Networking > LAN Setup (continued)
LABEL
DESCRIPTION
Page 82 / 228
Chapter 6 Home Networking
ericom D1000 modem User’s Guide
82
Use this screen to change your Device’s static DHCP settings. Click
Network Setting > Home
Networking
> Static DHCP
to open the following screen.
Figure 41
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 42
Static DHCP: Add/Edit
The following table describes the labels in this screen.
Table 22
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 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.
Table 23
Static DHCP: Add/Edit
LABEL
DESCRIPTION
MAC Address
If you select
Manual Input
in the
Select Device Info
field, enter the MAC address of
a computer on your LAN.
IP Address
If you select
Manual Input
in the
Select Device Info
field, enter the IP address that
you want to assign to the computer on your LAN with the MAC address that you will
also specify.
OK
Click
OK
to save your changes.
Cancel
Click
Cancel
to exit this screen without saving.
Page 83 / 228
Chapter 6 Home Networking
ericom D1000 modem User’s Guide
83
6.4
The IP Alias Screen
IP alias allows you to partition a physical network into different logical networks over the same
Ethernet interface. The Device supports multiple logical LAN interfaces via its physical Ethernet
interface with the Device itself as the gateway for the LAN network.
When you use IP alias, you can also configure firewall rules to control access to the LAN's logical
network (subnet).
6.4.1
Configuring the LAN IP Alias Screen
Use this screen to change your Device’s IP alias settings. Click
Network Setting
>
Home
Networking
>
IP Alias
to open the following screen.
Figure 43
Network Setting > Home Networking > IP Alias
The following table describes the labels in this screen.
6.5
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 78
for more information on UPnP.
Use the following screen to enable or disable the UPnP function on your Device. Click
Network
Setting > Home Networking
> UPnP
to display the screen shown next.
Table 24
Network Setting > Home Networking > IP Alias
LABEL
DESCRIPTION
IP Alias
Select
Enable
to configure a LAN network for the Device.
IP Address
Enter the IP address of your Device in dotted decimal notation.
IP Subnet Mask
Your Device will automatically calculate the subnet mask based on the IP address that
you assign. Unless you are implementing subnetting, use the subnet mask computed by
the Device.
Apply
Click this to save your changes.
Cancel
Click this to restore your previously saved settings.
Page 84 / 228
Chapter 6 Home Networking
ericom D1000 modem User’s Guide
84
Figure 44
Network Setting > Home Networking > UPnP
The following table describes the labels in this screen.
6.6
The IPv6 LAN Setup Screen
Use this screen to configure the IPv6 settings for your Device’s LAN interface.
Table 25
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). Otherwise,
select
Disable
to deactivate UPnP.
Apply
Click
Apply
to save your changes.
Cancel
Click
Cancel
to exit this screen without saving.
Page 85 / 228
Chapter 6 Home Networking
ericom D1000 modem User’s Guide
85
Figure 45
Network Setting > Home Networking > IPv6 LAN Setup

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