DG-BR1000Nu User Manual
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2-7 Wired LAN Configurations
Before all computers using wired Ethernet connection (i.e. the computer connected to
this router’s LAN port by Ethernet cable) can communicate with each other and
access internet, they must have a valid IP address. There are two ways to assign IP
addresses to computers: static IP address (set the IP address for every computer
manually), and dynamic IP address (IP address of computers will be assigned by
router automatically). It’s recommended for most of the computers to use dynamic IP
address, it will save a lot of time on setting IP addresses for every computer,
especially when there are a lot of computers in your network; for servers and network
devices which will provide services to other computer and users that come from
Internet, static IP address should be used, so that other computes can locate the server.
Suggestions on IP address numbering plan:
If you have no idea on how to define an IP address plan for your network, here
are some suggestions.
1. A valid IP address has 4 fields: a.b.c.d, for most of home and company
users, it’s suggested to use 192.168.c.d, where c is an integer between 0
and 254, and d is an integer between 1 and 254. This router is capable to
work with up to 253 clients, so you can set ‘d’ field of IP address of router
as 1 or 254 (or any number between 1 and 254), and pick a number
between 0 and 254 for field ‘c’.
2. In most cases, you should use ‘255.255.255.0’ as subnet mask, which
allows up to 253 clients (this also meets router’s capability of working with
up to 253 clients).
3. For all servers and network devices which will provide services to other
people (like Internet service, print service, and file service), they should
use static IP address. Give each of them a unique number between 1 and
253, and maintain a list, so everyone can locate those servers easily.
4. For computers which are not dedicated to provide specific service to
others, they should use dynamic IP address.
If you don’t really understand the descriptions listed above, don’t worry! We
will provide recommended setup values below.
