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Prestige 128IMH ISDN Modem/ Router/Hub
xxvi Preface
Collecting Ethernet Setup Information
IP Address - An IP Address is required for TCP/IP protocol. The IP Address is the unique 32-bit
number assigned to your Prestige. This address is written in dotted decimal notation (four 8-bit
numbers, between 0 and 255, separated by periods), e.g., 192.168.1.1.
Record the IP Address into the worksheet as assigned by your network administrator. Please note
that every machine on an internet must have a unique IP address - do not assign an arbitrary
address to any machine. If you are not sure as to which IP address to assign to the Prestige,
contact your LAN administrator or refer to Chapter 4 of this guide for more details.
IP Subnet Mask - This field is required for TCP/IP protocol. An IP address consists of two parts,
the network ID and the host ID. The IP Subnet Mask is used to specify the network ID portion of
the address, expressed in dotted decimal notation. The Prestige automatically calculates this mask
based on the IP address that you assign. Unless you have special need for subnetting, use the
default mask as calculated by the Prestige.
The table below lists some examples of IP subnet masks and the number of hosts that are allowed.
Consult your network administrator if you are unsure of this value.
Table 1-2 IP subnet masks and the number of hosts allowed
IP Subnet Mask Number of Host
ID’s
Number of Bits
255.255.255.0 254 24
255.255.255.128 126 25
255.255.255.192 62 26
255.255.255.224 30 27
255.255.255.255 1 32
Structure of this Manual
This manual is divided into five parts:
1. Getting Started (Chapters 1-2) is structured as a step-by-step guide to help you connect,
install and setup your Prestige to operate on your network.