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Page 101 / 228 Scroll up to view Page 96 - 100
Chapter 6 Home Networking
ericom D1000 modem User’s Guide
101
Figure 67
Applications Folder
4
Click the
Print & Fax
icon.
Figure 68
System Preferences
5
Select the
Printing
tab and click the
+
icon to add a new printer.
Page 102 / 228
Chapter 6 Home Networking
ericom D1000 modem User’s Guide
102
Figure 69
Print & Fax
6
Click the
Advanced
button on the
Add Printer
toolbar to set up your printer.
If the
Advanced
button doesn’t appear, Ctrl-click the toolbar, select
Customize Toolbar...
and
then drag the
Advanced
button onto the toolbar.
• Select
Internet Printing Protocol (HTTP)
from the
Type
drop-down list.
• Select
Another Device
from the
Device
drop-down list.
•
In the
URL
access the print server (Device).
Note: If you change the Device’s LAN IP address, use the new IP address in the URL to
access the print server.
•
Enter a descriptive name for the printer and where it is located.
•
Select your printer manufacturer from the
Print Using
drop-down list and then select a
printer model. Click
Add
to save and close the
Printer Browser
configuration screen.
Page 103 / 228
Chapter 6 Home Networking
ericom D1000 modem User’s Guide
103
Figure 70
Add Printer
7
The new network printer displays in the
Printers
list.
Figure 71
Printer List
8
Your print server driver setup is complete. You can now use the Device’s print server to print from a
Mac computer.
6.11
Home Networking Technical Reference
This section provides some technical background information about the topics covered in this
chapter.
Page 104 / 228
Chapter 6 Home Networking
ericom D1000 modem User’s Guide
104
6.11.1
LANs, WANs and the Device
The actual physical connection determines whether the 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 72
LAN and WAN IP Addresses
6.11.2
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 Device as a DHCP
server or disable it. When configured as a server, the 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.
IP Pool Setup
The Device is pre-configured with a pool of IP addresses for the DHCP clients (DHCP Pool).
Do not
assign static IP addresses from the DHCP pool to your LAN computers.
6.11.3
DNS Server Addresses
DNS (Domain Name System) maps 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
computer before you can access it. The DNS server addresses you enter when you set up DHCP are
passed to the client machines along with the assigned IP address and subnet mask.
There are two ways that an ISP disseminates the DNS server addresses.
•
The ISP tells you the DNS server addresses, usually in the form of an information sheet, when
you sign up. If your ISP gives you DNS server addresses, enter them in the
DNS Server
fields in
the
DHCP Setup
screen.
WAN
LAN
Page 105 / 228
Chapter 6 Home Networking
ericom D1000 modem User’s Guide
105
•
Some ISPs choose to disseminate the DNS server addresses using the DNS server extensions of
IPCP (IP Control Protocol) after the connection is up. If your ISP did not give you explicit DNS
servers, chances are the DNS servers are conveyed through IPCP negotiation. The Device
supports the IPCP DNS server extensions through the DNS proxy feature.
Please note that DNS proxy works only when the ISP uses the IPCP DNS server extensions. It
does not mean you can leave the DNS servers out of the DHCP setup under all circumstances. If
your ISP gives you explicit DNS servers, make sure that you enter their IP addresses in the
DHCP Setup
screen.
6.11.4
LAN TCP/IP
The 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 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, 192.168.1.254, for your 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 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 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 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

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