Given 5 offices in remote locations.

Office #1 has 85 employees with computers in each office.

Office #2 has 138 employees with computers in each office.

Office #3 has 123 employees with computers in each office.

Office #4 has 67 employees with computers in each office.

Office #5 has 75 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 85 hostsIPs needed = 87IPs used = 128mask is /25
Net# 2 has 138 hostsIPs needed = 140IPs used = 256mask is /24
Net# 3 has 123 hostsIPs needed = 125IPs used = 128mask is /25
Net# 4 has 67 hostsIPs needed = 69IPs used = 128mask is /25
Net# 5 has 75 hostsIPs needed = 77IPs used = 128mask is /25
Total Host[0] = 488IPN = 498 IPs used = 768mask 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, 22 Jan 2019 16:35:46 -0700
26 Problems Generate Since January 1, 2019