B Class Subnetting / Subnetting을 Subnetting하기

Ex.01 B Class / Host 기준 / Subnetting

조건) Host 기준으로 사진을 참고하여 Subnetting하여 PC끼리 통신되도록.

191.255.0.0/16
255.255.11/000000.0
Subnet Mask=255.255.192.0

1. 1020개
   2^10=1024
   255.255.111111/00.0
   Subnet Mask = 255.255.252.0
   191.255.0.0 - 191.255.3.255
   1111 11/00 . 0000 0000
   0000 00/00 . 0000 0000
   01
   10
   11 . 1111 1111
   
   
   

2. 510개
   2^9=512
   255.255.1111111/0.0
   Subnet Mask = 255.255.254.0
   191.255.4.0 - 191.255.5.255
   
   
   

3. 30개
   2^5=32
   255.255.255.111/00000
   Subnet Mask = 255.255.255.224
   191.255.6.0 - 191.255.6.31
   
   
   

4. 10개
   2^4=16
   255.255.255.1111/0000
   Subnet Mask = 255.255.255.240
   191.255.6.32 - 191.255.6.47
   
   
   

결론.

Ex 02. Subnetting을 Subnetting 하기

192.168.10.0/24
255.255.255.11/000000
Subnet Mask=255.255.255.192

1. 60개
   2^6=64
   255.255.255.11/000000
   Subnet Mask = 255.255.255.192
   192.168.10.0 - 192.168.10.63
   
   
   

2. 30개
   2^5=32
   255.255.255.111/00000
   Subnet Mask = 255.255.255.224
   192.168.10.64 - 192.168.10.95
   
   
   

3. 6개
   2^3=8
   255.255.255.11111/000
   Subnet Mask = 255.255.255.248
   192.168.10.96 - 192.168.10.103
   
   
   

4. 2개
   2^2=4
   255.255.255.111111/00
   Subnet Mask = 255.255.255.252
   192.168.10.104 - 192.168.10.107
   
   
   
   ================================
   1-1. 60개를 4구역으로 나누기.
   2^2=4
   255.255.255.11/11/0000
   Subnet Mask = 255.255.255.240
   192.168.10.0 - 192.168.10.63
   
   
   [ 1 Subnet ]
   192.168.10.0 - 192.168.10.15
   
   
   [ 2 Subnet ]
   192.168.10.16 - 192.168.10.31
   
   
   [ 3 Subnet ]
   192.168.10.32 - 192.168.10.47
   
   
   [ 4 Subnet ]
   192.168.10.48 - 192.168.10.63
   
   

• 결과