Wednesday, July 31, 2013

Subnetting Class A address Problem 1



128 |  1 0 0 0 0 0 0 0   (i.e. 1 Bit ON and 7 OFF)

192 |  1 1 0 0 0 0 0 0   (i.e. 2 Bits ON and 6 OFF)

224 |  1 1 1 0 0 0 0 0    (i.e. 3 Bits ON and 5 OFF)

240 |  1 1 1 1 0 0 0 0    (i.e. 4 Bits ON and 4 OFF)

248 |  1 1 1 1 1 0 0 0    (i.e. 5 Bits ON and 3 OFF)

252 |  1 1 1 1 1 1 0 0    (i.e. 6 Bits ON and 2 OFF)

254 |  1 1 1 1 1 1 1 0    (i.e. 7 Bits ON and 1 OFF)

255 |  1 1 1 1 1 1 1 1    (i.e. 8 Bits ON and  0 OFF)


IP Address   10.255.0.0/20

subnet Mask == 255.255.240.0

S

Sunday, July 28, 2013

Subnetting Class A Intorduction


128 |  1 0 0 0 0 0 0 0   (i.e. 1 Bit ON and 7 OFF)

192 |  1 1 0 0 0 0 0 0   (i.e. 2 Bits ON and 6 OFF)

224 |  1 1 1 0 0 0 0 0    (i.e. 3 Bits ON and 5 OFF)

240 |  1 1 1 1 0 0 0 0    (i.e. 4 Bits ON and 4 OFF)

248 |  1 1 1 1 1 0 0 0    (i.e. 5 Bits ON and 3 OFF)

252 |  1 1 1 1 1 1 0 0    (i.e. 6 Bits ON and 2 OFF)

254 |  1 1 1 1 1 1 1 0    (i.e. 7 Bits ON and 1 OFF)

255 |  1 1 1 1 1 1 1 1    (i.e. 8 Bits ON and  0 OFF)


Subnet Mask                          CIDR Value


CLASS A

255.0.0.0                                  /8
255.128.0.0                              /9
255.192.0.0                            /10
255.224.0.0                            /11
255.240.0.0                            /12
255.248.0.0                            /13
255.252.0.0                            /14
255.254.0.0                            /15

Saturday, July 27, 2013

Subnetting Class B Address Problem 5

Must Remind (Keep in Mind)

128 |  1 0 0 0 0 0 0 0   (i.e. 1 Bit ON and 7 OFF)

192 |  1 1 0 0 0 0 0 0   (i.e. 2 Bits ON and 6 OFF)

224 |  1 1 1 0 0 0 0 0    (i.e. 3 Bits ON and 5 OFF)

240 |  1 1 1 1 0 0 0 0    (i.e. 4 Bits ON and 4 OFF)

248 |  1 1 1 1 1 0 0 0    (i.e. 5 Bits ON and 3 OFF)

252 |  1 1 1 1 1 1 0 0    (i.e. 6 Bits ON and 2 OFF)

254 |  1 1 1 1 1 1 1 0    (i.e. 7 Bits ON and 1 OFF)

255 |  1 1 1 1 1 1 1 1    (i.e. 8 Bits ON and  0 OFF)



PROBLEM  5.

172.16.0.0 (Network Address)
255.255.248.0 (/21)

Network = 2^5 = 32
Hosts =      2^11 - 2 = 2046 ( 3 bits in 3rd octet and 8 bits in 4th octet)



valid subnets = 256-248= 8 

Block Size =  0 ,8,16,24,32,40,48,56,64,72,80,88,96,104,112,120,128,136,144,152,160,168,176 ,184,192,200,208,216,224,232,240   



NETWORK 1



172.16.0.0  (Network ID)

172.16.0.1  (First Host)
172.16.0.2
172.16.0.3
.
.
.
172.16.7.252
172.16.7.253
172.16.7.254 (Last Host)
172.16.7.255 (Broadcast ID)


MUST READ

when the address 0.255  after that 3rd octet will be started from 1.0 then 1.1, 1.2, 1.3 similarly address reach 1.255  3rd octet will start From  2.0  Similarly  all the address will allocate in a same way. ( For Understanding the Procedure)



NETWORK  2




172.16.8.0  (Network ID)

172.16.8.1  (First Host)
172.16.8.2
172.16.8.3
.
.
.
172.16.15.252
172.16.15.253
172.16.15.254  (Last Host)
172.16.15.255  (Broadcast ID)


NETWORK  3



172.16.16.0  (Network ID)

172.16.16.1  (First Host)
172.16.16.2
172.16.16.3
.
.
.
172.16.23.252
172.16.23.253
172.16.23.254  (Last Host)
172.16.23.255  (Broadcast ID)


NETWORK  4



172.16.24.0  (Network ID)

172.16.24.1  (First Host)
172.16.24.2
172.16.24.3
.
.
.
172.16.31.252
172.16.31.253
172.16.31.254  (Last Host)
172.16.31.255  (Broadcast ID)


NETWORK  5



172.16.32.0  (Network ID)

172.16.32.1  (First Host)
172.16.32.2
172.16.32.3
.
.
.
172.16.39.252
172.16.39.253
172.16.39.254  (Last Host)
172.16.39.255  (Broadcast ID)


NETWORK  6



172.16.40.0  (Network ID)

172.16.40.1  (First Host)
172.16.40.2
172.16.40.3
.
.
.
172.16.47.252
172.16.47.253
172.16.47.254  (Last Host)
172.16.47.255  (Broadcast ID)


NETWORK  7



172.16.48.0  (Network ID)

172.16.48.1  (First Host)
172.16.48.2
172.16.48.3
.
.
.
172.16.55.252
172.16.55.253
172.16.55.254  (Last Host)
172.16.55.255  (Broadcast ID)


NETWORK  8



172.16.56.0  (Network ID)

172.16.56.1  (First Host)
172.16.56.2
172.16.56.3
.
.
.
172.16.63.252
172.16.63.253
172.16.63.254  (Last Host)
172.16.63.255  (Broadcast ID)


NETWORK  9



172.16.64.0  (Network ID)

172.16.64.1  (First Host)
172.16.64.2
172.16.64.3
.
.
.
172.16.71.252
172.16.71.253
172.16.71.254  (Last Host)
172.16.71.255  (Broadcast ID)

NETWORK  10



172.16.72.0  (Network ID)

172.16.72.1  (First Host)
172.16.72.2
172.16.72.3
.
.
.
172.16.739.252
172.16.79.253
172.16.79.254  (Last Host)
172.16.79.255  (Broadcast ID)

NETWORK  11



172.16.80.0  (Network ID)

172.16.80.1  (First Host)
172.16.80.2
172.16.80.3
.
.
.
172.16.87.252
172.16.87.253
172.16.87.254  (Last Host)
172.16.87.255  (Broadcast ID)

NETWORK  12



172.16.88.0  (Network ID)

172.16.88.1  (First Host)
172.16.88.2
172.16.88.3
.
.
.
172.16.95.252
172.16.95.253
172.16.95.254  (Last Host)
172.16.95.255  (Broadcast ID)

NETWORK  13



172.16.96.0  (Network ID)

172.16.96.1  (First Host)
172.16.96.2
172.16.96.3
.
.
.
172.16.103.252
172.16.103.253
172.16.103.254  (Last Host)
172.16.103.255  (Broadcast ID)

NETWORK  14



172.16.104.0  (Network ID)

172.16.104.1  (First Host)
172.16.104.2
172.16.104.3
.
.
.
172.16.111.252
172.16.111.253
172.16.111.254  (Last Host)
172.16.111.255  (Broadcast ID)

NETWORK  15



172.16.112.0  (Network ID)

172.16.112.1  (First Host)
172.16.112.2
172.16.112.3
.
.
.
172.16.119.252
172.16.119.253
172.16.119.254  (Last Host)
172.16.119.255  (Broadcast ID)

NETWORK  16



172.16.120.0  (Network ID)

172.16.120.1  (First Host)
172.16.120.2
172.16.120.3
.
.
.
172.16.127.252
172.16.127.253
172.16.127.254  (Last Host)
172.16.127.255  (Broadcast ID)


NETWORK  17



172.16.128.0  (Network ID)

172.16.128.1  (First Host)
172.16.128.2
172.16.128.3
.
.
.
172.16.135.252
172.16.135.253
172.16.135.254  (Last Host)
172.16.135.255  (Broadcast ID)


NETWORK  18



172.16.136.0  (Network ID)

172.16.136.1  (First Host)
172.16.136.2
172.16.136.3
.
.
.
172.16.143.252
172.16.143.253
172.16.143.254  (Last Host)
172.16.143.255  (Broadcast ID)


NETWORK  19



172.16.144.0  (Network ID)

172.16.144.1  (First Host)
172.16.144.2
172.16.144.3
.
.
.
172.16.151.252
172.16.151.253
172.16.151.254  (Last Host)
172.16.151.255  (Broadcast ID)


NETWORK  20



172.16.152.0  (Network ID)

172.16.152.1  (First Host)
172.16.152.2
172.16.152.3
.
.
.
172.16.159.252
172.16.159.253
172.16.159.254  (Last Host)
172.16.159.255  (Broadcast ID)


NETWORK  21



172.16.160.0  (Network ID)

172.16.160.1  (First Host)
172.16.160.2
172.16.160.3
.
.
.
172.16.167.252
172.16.167.253
172.16.167.254  (Last Host)
172.16.167.255  (Broadcast ID)


NETWORK  22



172.16.168.0  (Network ID)

172.16.168.1  (First Host)
172.16.168.2
172.16.168.3
.
.
.
172.16.175.252
172.16.175.253
172.16.175.254  (Last Host)
172.16.175.255  (Broadcast ID)


NETWORK  23



172.16.176.0  (Network ID)

172.16.176.1  (First Host)
172.16.176.2
172.16.176.3
.
.
.
172.16.183.252
172.16.183.253
172.16.183.254  (Last Host)
172.16.183.255  (Broadcast ID)


NETWORK  24



172.16.184.0  (Network ID)

172.16.184.1  (First Host)
172.16.184.2
172.16.184.3
.
.
.
172.16.191.252
172.16.191.253
172.16.191.254  (Last Host)
172.16.191.255  (Broadcast ID)


NETWORK  25



172.16.192.0  (Network ID)

172.16.192.1  (First Host)
172.16.192.2
172.16.192.3
.
.
.
172.16.199.252
172.16.199.253
172.16.199.254  (Last Host)
172.16.199.255  (Broadcast ID)


NETWORK  26



172.16.200.0  (Network ID)

172.16.200.1  (First Host)
172.16.200.2
172.16.200.3
.
.
.
172.16.207.252
172.16.207.253
172.16.207.254  (Last Host)
172.16.207.255  (Broadcast ID)


NETWORK  27



172.16.208.0  (Network ID)

172.16.208.1  (First Host)
172.16.208.2
172.16.208.3
.
.
.
172.16.215.252
172.16.215.253
172.16.215.254  (Last Host)
172.16.215.255  (Broadcast ID)


NETWORK  28



172.16.216.0  (Network ID)

172.16.216.1  (First Host)
172.16.216.2
172.16.216.3
.
.
.
172.16.223.252
172.16.223.253
172.16.223.254  (Last Host)
172.16.223.255  (Broadcast ID)


NETWORK  29



172.16.224.0  (Network ID)

172.16.224.1  (First Host)
172.16.224.2
172.16.224.3
.
.
.
172.16.231.252
172.16.231.253
172.16.231.254  (Last Host)
172.16.231.255  (Broadcast ID)


NETWORK  30



172.16.232.0  (Network ID)

172.16.232.1  (First Host)
172.16.232.2
172.16.232.3
.
.
.
172.16.239.252
172.16.239.253
172.16.239.254  (Last Host)
172.16.239.255  (Broadcast ID)


NETWORK  31



172.16.240.0  (Network ID)

172.16.240.1  (First Host)
172.16.240.2
172.16.240.3
.
.
.
172.16.247.252
172.16.247.253
172.16.247.254  (Last Host)
172.16.247.255  (Broadcast ID)


NETWORK  32



172.16.248.0  (Network ID)

172.16.248.1  (First Host)
172.16.248.2
172.16.248.3
.
.
.
172.16.255.252
172.16.255.253
172.16.255.254  (Last Host)
172.16.255.255  (Broadcast ID)

Subnetting Class B Address Problem 4

Must Remind (Keep in Mind)

128 |  1 0 0 0 0 0 0 0   (i.e. 1 Bit ON and 7 OFF)

192 |  1 1 0 0 0 0 0 0   (i.e. 2 Bits ON and 6 OFF)

224 |  1 1 1 0 0 0 0 0    (i.e. 3 Bits ON and 5 OFF)

240 |  1 1 1 1 0 0 0 0    (i.e. 4 Bits ON and 4 OFF)

248 |  1 1 1 1 1 0 0 0    (i.e. 5 Bits ON and 3 OFF)

252 |  1 1 1 1 1 1 0 0    (i.e. 6 Bits ON and 2 OFF)

254 |  1 1 1 1 1 1 1 0    (i.e. 7 Bits ON and 1 OFF)

255 |  1 1 1 1 1 1 1 1    (i.e. 8 Bits ON and  0 OFF)



PROBLEM  4.

172.16.0.0 (Network Address)
255.255.240.0 (/20)

Network = 2^4 = 16
Hosts =      2^12 - 2 = 4094 ( 4 bits in 3rd octet and 4th bits in 8 octet)



valid subnets = 256-240=16. 

Block Size =  0 ,16,3248, 64,80, 96,112, 128,144, 160,176 ,192,208 ,224,240   



NETWORK 1



172.16.0.0  (Network ID)

172.16.0.1  (First Host)
172.16.0.2
172.16.0.3
.
.
.
172.16.7.252
172.16.7.253
172.16.7.254 (Last Host)
172.16.7.255 (Broadcast ID)


MUST READ

when the address 0.255  after that 3rd octet will be started from 1.0 then 1.1, 1.2, 1.3 similarly address reach 1.255  3rd octet will start From  2.0  Similarly  all the address will allocate in a same way. ( For Understanding the Procedure)



NETWORK  2




172.16.8.0  (Network ID)

172.16.8.1  (First Host)
172.16.8.2
172.16.8.3
.
.
.
172.16.15.252
172.16.15.253
172.16.15.254  (Last Host)
172.16.15.255  (Broadcast ID)


NETWORK  3



172.16.16.0  (Network ID)

172.16.16.1  (First Host)
172.16.16.2
172.16.16.3
.
.
.
172.16.23.252
172.16.23.253
172.16.23.254  (Last Host)
172.16.23.255  (Broadcast ID)


NETWORK  4



172.16.24.0  (Network ID)

172.16.24.1  (First Host)
172.16.24.2
172.16.24.3
.
.
.
172.16.31.252
172.16.31.253
172.16.31.254  (Last Host)
172.16.31.255  (Broadcast ID)


NETWORK  5



172.16.32.0  (Network ID)

172.16.32.1  (First Host)
172.16.32.2
172.16.32.3
.
.
.
172.16.39.252
172.16.39.253
172.16.39.254  (Last Host)
172.16.39.255  (Broadcast ID)


NETWORK  6



172.16.40.0  (Network ID)

172.16.40.1  (First Host)
172.16.40.2
172.16.40.3
.
.
.
172.16.47.252
172.16.47.253
172.16.47.254  (Last Host)
172.16.47.255  (Broadcast ID)


NETWORK  7



172.16.48.0  (Network ID)

172.16.48.1  (First Host)
172.16.48.2
172.16.48.3
.
.
.
172.16.55.252
172.16.55.253
172.16.55.254  (Last Host)
172.16.55.255  (Broadcast ID)


NETWORK  8



172.16.56.0  (Network ID)

172.16.56.1  (First Host)
172.16.56.2
172.16.56.3
.
.
.
172.16.63.252
172.16.63.253
172.16.63.254  (Last Host)
172.16.63.255  (Broadcast ID)


NETWORK  9



172.16.64.0  (Network ID)

172.16.64.1  (First Host)
172.16.64.2
172.16.64.3
.
.
.
172.16.71.252
172.16.71.253
172.16.71.254  (Last Host)
172.16.71.255  (Broadcast ID)

NETWORK  10



172.16.72.0  (Network ID)

172.16.72.1  (First Host)
172.16.72.2
172.16.72.3
.
.
.
172.16.739.252
172.16.79.253
172.16.79.254  (Last Host)
172.16.79.255  (Broadcast ID)

NETWORK  11



172.16.80.0  (Network ID)

172.16.80.1  (First Host)
172.16.80.2
172.16.80.3
.
.
.
172.16.87.252
172.16.87.253
172.16.87.254  (Last Host)
172.16.87.255  (Broadcast ID)

NETWORK  12



172.16.88.0  (Network ID)

172.16.88.1  (First Host)
172.16.88.2
172.16.88.3
.
.
.
172.16.95.252
172.16.95.253
172.16.95.254  (Last Host)
172.16.95.255  (Broadcast ID)

NETWORK  13



172.16.96.0  (Network ID)

172.16.96.1  (First Host)
172.16.96.2
172.16.96.3
.
.
.
172.16.103.252
172.16.103.253
172.16.103.254  (Last Host)
172.16.103.255  (Broadcast ID)

NETWORK  14



172.16.104.0  (Network ID)

172.16.104.1  (First Host)
172.16.104.2
172.16.104.3
.
.
.
172.16.111.252
172.16.111.253
172.16.111.254  (Last Host)
172.16.111.255  (Broadcast ID)

NETWORK  15



172.16.112.0  (Network ID)

172.16.112.1  (First Host)
172.16.112.2
172.16.112.3
.
.
.
172.16.119.252
172.16.119.253
172.16.119.254  (Last Host)
172.16.119.255  (Broadcast ID)

NETWORK  16



172.16.120.0  (Network ID)

172.16.120.1  (First Host)
172.16.120.2
172.16.120.3
.
.
.
172.16.127.252
172.16.127.253
172.16.127.254  (Last Host)
172.16.127.255  (Broadcast ID)

Friday, July 26, 2013

Subnetting Class B Address Problem 3

Google+

Must Remind (Keep in Mind)

128 |  1 0 0 0 0 0 0 0   (i.e. 1 Bit ON and 7 OFF)

192 |  1 1 0 0 0 0 0 0   (i.e. 2 Bits ON and 6 OFF)

224 |  1 1 1 0 0 0 0 0    (i.e. 3 Bits ON and 5 OFF)

240 |  1 1 1 1 0 0 0 0    (i.e. 4 Bits ON and 4 OFF)

248 |  1 1 1 1 1 0 0 0    (i.e. 5 Bits ON and 3 OFF)

252 |  1 1 1 1 1 1 0 0    (i.e. 6 Bits ON and 2 OFF)

254 |  1 1 1 1 1 1 1 0    (i.e. 7 Bits ON and 1 OFF)

255 |  1 1 1 1 1 1 1 1    (i.e. 8 Bits ON and  0 OFF)



PROBLEM  3.

172.16.0.0 (Network Address)
255.255.224.0 (/19)

Network = 2^3 = 8
Hosts =      2^13 - 2 = 8190 ( 5 bits in 3rd octet and 8 bits in 4th octet)



valid subnets = 256-224=32. 

Block Size =  0 ,32, 64, 96, 128, 160, 192, 224   



NETWORK 1



172.16.0.0  (Network ID)

172.16.0.1  (First Host)
172.16.0.2
172.16.0.3
.
.
.
172.16.31.252
172.16.31.253
172.16.31254 (Last Host)
172.16.31.255 (Broadcast ID)


MUST READ

when the address 0.255  after that 3rd octet will be started from 1.0 then 1.1, 1.2, 1.3 similarly address reach 1.255  3rd octet will start From  2.0  Similarly  all the address will allocate in a same way. ( For Understanding the Procedure)



NETWORK  2




172.16.32.0  (Network ID)

172.16.32.1  (First Host)
172.16.32.2
172.16.32.3
.
.
.
172.16.63.252
172.16.63.253
172.16.63.254  (Last Host)
172.16.63.255  (Broadcast ID)


NETWORK  3



172.16.64.0  (Network ID)

172.16.64.1  (First Host)
172.16.64.2
172.16.64.3
.
.
.
172.16.95.252
172.16.95.253
172.16.95.254  (Last Host)
172.16.95.255  (Broadcast ID)


NETWORK  4



172.16.96.0  (Network ID)

172.16.96.1  (First Host)
172.16.96.2
172.16.96.3
.
.
.
172.16.127.252
172.16.127.253
172.16.127.254  (Last Host)
172.16.127.255  (Broadcast ID)


NETWORK  5



172.16.128.0  (Network ID)

172.16.128.1  (First Host)
172.16.128.2
172.16.128.3
.
.
.
172.16.159.252
172.16.159.253
172.16.159.254  (Last Host)
172.16.159.255  (Broadcast ID)


NETWORK  6



172.16.160.0  (Network ID)

172.16.160.1  (First Host)
172.16.160.2
172.16.160.3
.
.
.
172.16.191.252
172.16.191.253
172.16.191.254  (Last Host)
172.16.191.255  (Broadcast ID)


NETWORK  7



172.16.192.0  (Network ID)

172.16.192.1  (First Host)
172.16.192.2
172.16.192.3
.
.
.
172.16.223.252
172.16.223.253
172.16.223.254  (Last Host)
172.16.223.255  (Broadcast ID)


NETWORK  8



172.16.224.0  (Network ID)

172.16.224.1  (First Host)
172.16.224.2
172.16.224.3
.
.
.
172.16.255.252
172.16.255.253
172.16.255.254  (Last Host)
172.16.255.255  (Broadcast ID)


Subnetting Class B Address Problem 2

Must Remind (Keep in Mind)

128 |  1 0 0 0 0 0 0 0   (i.e. 1 Bit ON and 7 OFF)

192 |  1 1 0 0 0 0 0 0   (i.e. 2 Bits ON and 6 OFF)

224 |  1 1 1 0 0 0 0 0    (i.e. 3 Bits ON and 5 OFF)

240 |  1 1 1 1 0 0 0 0    (i.e. 4 Bits ON and 4 OFF)

248 |  1 1 1 1 1 0 0 0    (i.e. 5 Bits ON and 3 OFF)

252 |  1 1 1 1 1 1 0 0    (i.e. 6 Bits ON and 2 OFF)

254 |  1 1 1 1 1 1 1 0    (i.e. 7 Bits ON and 1 OFF)

255 |  1 1 1 1 1 1 1 1    (i.e. 8 Bits ON and  0 OFF)



PROBLEM  2.

172.16.0.0 (Network Address)
255.255.192.0 (/18)

Network = 2^2 = 4
Hosts =      2^14 - 2 = 16382 ( 6 bits in 3rd octet and 8 bits in 4th octet)



valid subnets = 256-192=64. 

Block Size =  0 , 64, 128   

That subetting is performing  in the third octet , So subnet are really 0.0 , 64.0 , 128.0 ,192.0 


NETWORK 1



172.16.0.0  (Network ID)

172.16.0.1  (First Host)
172.16.0.2
172.16.0.3
.
.
.
172.16.63.252
172.16.63.253
172.16.63.254 (Last Host)
172.16.63.255 (Broadcast ID)


MUST READ

when the address 0.255  after that 3rd octet will be started from 1.0 then 1.1, 1.2, 1.3 similarly address reach 1.255  3rd octet will start From  2.0  Similarly  all the address will allocate in a same way. ( For Understanding the Procedure)



NETWORK  2




172.16.64.0  (Network ID)

172.16.64.1  (First Host)
172.16.64.2
172.16.64.3
.
.
.
172.16.127.252
172.16.127.253
172.16.127.254  (Last Host)
172.16.127.255  (Broadcast ID)


NETWORK  3



172.16.128.0  (Network ID)

172.16.128.1  (First Host)
172.16.128.2
172.16.128.3
.
.
.
172.16.191.252
172.16.191.253
172.16.191.254  (Last Host)
172.16.191.255  (Broadcast ID)


NETWORK  4



172.16.192.0  (Network ID)

172.16.192.1  (First Host)
172.16.192.2
172.16.192.3
.
.
.
172.16.255.252
172.16.255.253
172.16.255.254  (Last Host)
172.16.255.255  (Broadcast ID)