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Configuration: The mask size entered defines the size of the subnet mask
from the start of the entire IP address. This allows subnet
sizes from 0 to 24 bits. A subnet mask size of 8 in a class
A address represents a subnet size of 0 or no subnetting
performed.
Figure 2 - 5 Defining an IP Subnet Mask
To configure the routers to route between the newly created sub-
networks, the following parameters must be defined in the built-in
menu system.
7 IP Address & Subnet Size
Location: Main
Ä Configuration
Ä LAN Set-up
Ä LAN IP Set-up
Ä IP Address / mask size
The IP address consists of 4 octets and is
represented by 4 fields separated by periods (“.”),
where each field is specified by a decimal number
(e.g. 199.169.1.10). Each decimal number must be
Original IP Network Address 199.169.100.0
Subnet IP Network Address
199.169.100.64
Router IP Address
199.169.100.65
Subnet Mask Size 26
Host IP Address
199.169.100.66
Host IP Address
199.169.100.67
Host IP Address
199.169.100.130
Host IP Address
199.169.100.131
Router IP Address
199.169.100.129
Subnet Mask Size 26
Subnet IP Network Address
199.169.100.128
Subnet Mask is
255.255.255.192
IP Computers
IP Computers
LAN #1
LAN #2