Subnetting Calculation
A subnet is a logical subdivision of an IP network. The process of dividing a network into two or more networks called subnetting. The main purpose is to help relieve network congestion and improve network performance.
PUBLIC
192.168.1.1 = 11000000.10101000.00000001.00000001
OFFICE/DEPARTMENTS
1. CHANCELLORS
2. OFFICE OF THE DEPUTY VICE-CHANCELLOR (ACADEMIC & INTERNATIONAL)
3. OFFICE OF THE DEPUTY VICE-CHANCELLOR (RESEARCH & INNOVATION)
4. OFFICE OF THE DEPUTY VICE-CHANCELLOR (STUDENT AFFAIRS)
5. OFFICE OF THE ASSISTANT VICE-CHANCELLOR (DEVELOPMENT AND FACILITY MANAGEMENT)
6. OFFICE OF THE CHIEF INFORMATION OFFICER
7. WISDOM SITE LIBRARY
8. KNOWLEDGE AND COMMUNICATION SERVICES CENTER
9. CENTER OF EXCELLENCE AND ACADEMIC UNDERSTANDING
10. CENTER FOR GRADUATE STUDIES
FACULTY
1. FACULTY OF ARTS (FOA)
2. FACULTY OF ECONOMICS (FOE)
3. FACULTY OF EDUCATION (FEDU)
4. FACULTY OF ENGINEERING (FENG)
5. FACULTY OF INFORMATION TECHNOLOGY (FIT)
6. FACULTY OF LAW (FOL)
7. FACULTY OF MUSIC (FOM)
8. FACULTY OF PHILOSOPHY (FOP)
9. FACULTY OF POLITICAL SCIENCE (FPS)
10. FACULTY OF MANAGEMENT STUDIES (FMS)
10 OFFICE/DEPARTMENTS + 10 FACULTY
= 20 departments
For Cobham College, it uses a Class C private addressing scheme,
192.168.1.1 = 11000000.10101000.00000001.00000001
Class C range between numbers 192 to 223 in the 1st octet
SUBNETTING TO 20 DEPARTMENTS IN COBHAM COLLEGE.
Subnet Table:
With 20 departments, the nearest number for the requirement is 32.
32 means 32 subnets, 8 means each subnet will have 8 total IDs while /18 is the new subnet mask for the 32 subnets.
Calculation:
Cobham College Online Learning system has 32 available IP to be used, with 12 more IP. The next Network Address can be obtained by adding 8 from the previous address. In an IP Address, Network Address is reserved for the first address and Broadcast Address is reserved for the last address.
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