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Fundamentals of Enterprise
TCP/IP Network
Content
 Introduction
 Networking Model
 Networking Devices
 IP Address Concept
 Enterprise Basic Network Model
 Division of entire IPv4 address space into class
 IP Subnetting
 How do we subnetting
Enterprise Network
Introduction
 A Network can be defined as two or more computing devices connect together in such a way that
they can share information
 The purpose of network is to share resources
 A resource may be ;
a file , some confidential data , or anything else that
exists on a computer
Enterprise Network
Networking Model
 Networks require all the device follow the rules
 A Networking model may be think of a set of architectural plans of building a house
 TCP/IP is the most pervasively used Networking model in history
Enterprise Network
Application
Transport
Internet
link
Application
Transport
Network
Data Link
Physical
TCP/IP Original Model TCP/IP Updated Model
Networking Devices
Enterprise Network
IP Address Concept
• In TCP/IP network
model two option
exist for the network
layer function
• IPV4 & IPV6
B
C
Number of Networks Host per Network
126
16384
2,097,152
16,777,214
65534
255
Enterprise Network
Division of the entire IPV4 address space
by Class
Reserved
Class A Unicast
Reserved
Class B Unicast
Class C Unicast
Class D Unicast
Class E Reserved(Formerly Experimental)
0
1-126
127
128-191
192-223
224-239
240-255
Enterprise Network
IP Subnetting
 Subnetting defines methods of further subdividing the IPV4 address space into
smaller groups
 Subnetting take a single class A , B or C network and divide it into subnetworks
Before Subnetting After Subnetting
Enterprise Network
How do we subnetting?
N=8 H=24
N=16 H=16
N=24 H=8
N=8 S= H
N=16 S= H
N=24 S= H
Enterprise Network
Enterprise Basic Network Model
Conclusion
 Reduces the usage of Public IP Address
 Prevents Unnecessary Broadcasts
 Controls Growth
 Simplifies Administration
 Increases Security Options
Enterprise Network
Thank You

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Fundamentals of enterprise TCP/IP Network and Subnetting

  • 2. Content  Introduction  Networking Model  Networking Devices  IP Address Concept  Enterprise Basic Network Model  Division of entire IPv4 address space into class  IP Subnetting  How do we subnetting Enterprise Network
  • 3. Introduction  A Network can be defined as two or more computing devices connect together in such a way that they can share information  The purpose of network is to share resources  A resource may be ; a file , some confidential data , or anything else that exists on a computer Enterprise Network
  • 4. Networking Model  Networks require all the device follow the rules  A Networking model may be think of a set of architectural plans of building a house  TCP/IP is the most pervasively used Networking model in history Enterprise Network Application Transport Internet link Application Transport Network Data Link Physical TCP/IP Original Model TCP/IP Updated Model
  • 6. IP Address Concept • In TCP/IP network model two option exist for the network layer function • IPV4 & IPV6 B C Number of Networks Host per Network 126 16384 2,097,152 16,777,214 65534 255 Enterprise Network
  • 7. Division of the entire IPV4 address space by Class Reserved Class A Unicast Reserved Class B Unicast Class C Unicast Class D Unicast Class E Reserved(Formerly Experimental) 0 1-126 127 128-191 192-223 224-239 240-255 Enterprise Network
  • 8. IP Subnetting  Subnetting defines methods of further subdividing the IPV4 address space into smaller groups  Subnetting take a single class A , B or C network and divide it into subnetworks Before Subnetting After Subnetting Enterprise Network
  • 9. How do we subnetting? N=8 H=24 N=16 H=16 N=24 H=8 N=8 S= H N=16 S= H N=24 S= H Enterprise Network
  • 11. Conclusion  Reduces the usage of Public IP Address  Prevents Unnecessary Broadcasts  Controls Growth  Simplifies Administration  Increases Security Options Enterprise Network