Given 5 offices in remote locations.

Office #1 has 7 employees with computers in each office.

Office #2 has 105 employees with computers in each office.

Office #3 has 128 employees with computers in each office.

Office #4 has 142 employees with computers in each office.

Office #5 has 29 employees with computers in each office.


  1. What IP Class is needed?

  2. How would you modify the default mask for office #1?

  3. How would you modify the default mask for office #2?

  4. How would you modify the default mask for office #3?

  5. How would you modify the default mask for office #4?

  6. How would you modify the default mask for office #5?

  7. Which office should be the `main` office?

  8. You also need a 2 IP connection from the main office to each satalites.















Answers



Net# 1 has 7 hostsIPs needed = 9IPs used = 8mask is /29
Net# 2 has 105 hostsIPs needed = 107IPs used = 128mask is /25
Net# 3 has 128 hostsIPs needed = 130IPs used = 256mask is /24
Net# 4 has 142 hostsIPs needed = 144IPs used = 256mask is /24
Net# 5 has 29 hostsIPs needed = 31IPs used = 32mask is /27
Total Host[0] = 411IPN = 421 IPs used = 680mask is /22

8388608


/9

4194304


/10

2097152


/11

1048576


/12

524288


/13

262144


/14

131072


/15

65536


/16

B

32768


/17

16384


/18

8192


/19

4096


/20

2048


/21

1024


/22

512


/23

256


/24

C

128

/25
128

64

/26
192

32

/27
224

16

/28
240

8

/29
248

4

/30
252

2

1

Tue, 17 Jul 2018 00:12:44 -0700
722 Problems Generate Since January 1, 2018