3Com 3C886 User Guide - Page 67

Configuring LAN Parameters, Understanding LAN Parameters, Name, IP Address and Subnet Mask

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Configuring LAN Parameters 67 Configuring LAN Parameters This section describes how to configure the parameters of your LAN. (LAN refers to that section of the network comprising your 56K LAN Modem and all of the computers or devices attached to it by means of Ethernet cabling.) This section describes the LAN parameters and then provides steps for their configuration. Understanding LAN The LAN (Ethernet) Parameters window, shown in Figure 40, contains the Parameters following fields. Figure 40 LAN Parameters Window Name Displays the name for the 56K LAN Modem. This name is used for DNS. For example, the name LANmodem is translated to the IP address 192.168.1.1. IP Address and Subnet Mask The IP address is a unique address which identifies the 56K LAN Modem on a network. The default address (192.168.1.1) is a private IP address which will be translated automatically by the 56K LAN Modem for Internet access. You should leave the default unless you are certain that this value must be changed. The 56K LAN Modem attempts to use its default IP address to communicate with the computer. If communication cannot be established, the 56K LAN Modem will change its default IP address. If this occurs, the IP address shown in Figure 40 will be different. The subnet mask identifies the subnetwork to which your computer is connected. You should leave the default unless you are certain that this value must be changed.

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Configuring LAN Parameters
67
Configuring LAN
Parameters
This section describes how to configure the parameters of your LAN. (LAN refers to
that section of the network comprising your 56K LAN Modem and all of the
computers or devices attached to it by means of Ethernet cabling.) This section
describes the LAN parameters and then provides steps for their configuration.
Understanding LAN
Parameters
The LAN (Ethernet) Parameters window, shown in Figure 40, contains the
following fields.
Figure 40
LAN Parameters Window
Name
Displays the name for the 56K LAN Modem. This name is used for DNS. For
example, the name
LANmodem
is translated to the IP address 192.168.1.1.
IP Address and Subnet Mask
The IP address is a unique address which identifies the 56K LAN Modem on a
network. The default address (192.168.1.1) is a private IP address which will be
translated automatically by the 56K LAN Modem for Internet access. You should
leave the default unless you are certain that this value must be changed.
The 56K LAN Modem attempts to use its default IP address to communicate with
the computer. If communication cannot be established, the 56K LAN Modem will
change its default IP address. If this occurs, the IP address shown in Figure 40 will
be different.
The subnet mask identifies the subnetwork to which your computer is connected.
You should leave the default unless you are certain that this value must be
changed.