Protocol Configuration Items- Page 12

INTRODUCTION 1 - 2

NC9100h_FM6.0

Protocol Configuration Items

TCP/IP Configuration

• IP Address

• Gateway (when routers exist on your network)

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IP Address

An IP address is a series of numbers that identifies each computer 
connected to the Internet. An IP address consists of four numbers 
separated by dots. Each number is between 0 and 255. You must 
allocate a unique IP address that is correct for the attached 
network.

Example) In a small network, set the IP addresses by changing 

the final number.

192.168.1.1, 192.168.1.2, 192.168.1.3

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Subnet mask

Subnet masks restrict network communication and an example of 
one follows...

-  255.255.0.0

Example) PC1 can talk to PC2

PC1 IP Address

193.    1.       2.      3

Subnet Mask

255.    255.   0.      0

PC2 IP Address

193.    1.       3.      4

Subnet Mask

255.    255.   0.      0

Here is an example of an IP address and a subnet mask.

IP Address

193.    1.       2.      3

Subnet Mask

255.    255.   0.      0

0 means this part of the address is not limited for communication.

In the above example, we can communicate with anything that has 
an IP address that begins with 193.1.X.X