Avaya Business Secure Router 222 Configuration - Basics Instrukcja Użytkownika Pobierz pdf (Strona 60)

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60 Chapter 3 Wizard setup

NN47922-500

The subnet mask specifies the network number portion of an IP address. Your

Business Secure Router computes the subnet mask automatically based on the IP

address that you enter. You do not need to change the subnet mask computed by

the Business Secure Router unless you are instructed to do otherwise.

DNS Server address assignment

Use DNS (Domain Name System) to map a domain name to its corresponding IP

address and vice versa, for instance, the IP address of www.nortel.com is

47.249.48.20. The DNS server is extremely important because without it, you

must know the IP address of a computer before you can access it.

The Business Secure Router can get the DNS server addresses in the following

ways:

• 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 DHCP Setup.

• If the ISP did not give you DNS server information, leave the DNS Server

fields in DHCP Setup set to 0.0.0.0 for the ISP to dynamically assign the

DNS server IP addresses.

WAN MAC address

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.

You can configure the MAC address of the WAN port by either using the factory

default or cloning the MAC address from a computer on your LAN. Once the

MAC address of the WAN port is successfully configured, the address is copied to

the rom file (configuration file) and does not change unless you change the setting

or upload a different rom file.

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