Tugas VLSM
Salah satu perusahaan nasional yang bergerak di bidang konveksi.Memiliki 1 kantor pusat di Semarang dan 3 kantor cabang di Pekalongan, Kudus dan Solo.
- Di Semarang membutuhkan : 58 host
- Di Pekalongan membutuhkan : 26 host
- Di Kudus dan Solo membutuhkan : 10 host
Perhitungan pembangunan host :
- Diasumsikan jumlah jaringan yang akan dibangun oleh perusahaan tersebut :
Router : 3 X 2 = 6 host
Jumlah : 110 host
- Network yang dibutuhkan
WAN : 3 network
Jumlah : 7 network
PEMBAGIAN ALAMAT IP DI PERUSAHAAN KONVEKSI SEMARANG |
192.168.1.0/26 | 192.168.1.0/26 | NETWORK | SEMARANG | |
192.168.1.1/26 | 192.168.1.62/26 | HOST | ||
192.168.1.63/26 | BROADCAST | |||
192.168.1.64/26 | 192.168.1.64/27 | NETWORK | PEKALONGAN | |
192.168.1.65/27 | 192.168.1.94/27 | HOST | ||
192.168.1.95/27 | BROADCAST | |||
192.168.1.96/28 | 192.168.1.96/28 | NETWORK | KUDUS | |
192.168.1.97/28 | 192.168.1.110/28 | HOST | ||
192.168.1.111/28 | BROADCAST | |||
192.168.1.112/28 | 192.168.1.112/28 | NETWORK | SOLO | |
192.168.1.113/28 | 192.168.1.126/28 | HOST | ||
192.168.1.127/28 | BROADCAST | |||
192.168.1.128/30 | 192.168.1.128/30 | NETWORK | WAN 1 | |
192.168.1.129/30 | 192.168.1.130/30 | HOST | ||
192.168.1.131/30 | BROADCAST | |||
192.168.1.132/30 | 192.168.1.132/30 | NETWORK | WAN 2 | |
192.168.1.133/30 | 192.168.1.134/30 | HOST | ||
192.168.1.135/30 | BROADCAST | |||
192.168.1.136/30 | 192.168.1.136/30 | NETWORK | WAN 3 | |
192.168.1.137/30 | 192.168.1.138/30 | HOST | ||
192.168.1.139/30 | BROADCAST |
- Pemilihan Broadcast Domain
Rumus : 2y – 2
/24 = 28 – 2 = 254
/25 = 27 – 2 = 126
/26 = 26 – 2 = 62
/27 = 25 – 2 = 30
/28 = 24 – 2 = 14
/29 = 23 – 2 = 6
/30 = 22 – 2 = 2
/24
|
254
|
255.255.255
|
/25
|
126
|
255.255.255.128
|
/26
|
62
|
255.255.255.192
|
/27
|
30
|
255.255.255.224
|
/28
|
14
|
255.255.255.240
|
/29
|
6
|
255.255.255.248
|
/30
|
2
|
255.255.255.252
|
Pengunaan domain dipilih / 26 dengan jumlah host : 62 (cukup untuk host terbanyak yaitu semarang dengan jumlah host 58
- Network
/24 = 21 = 2
/25 = 22 = 4
/26 = 23 = 8
/27 = 24 = 16
/28 = 25 = 32
/29 = 26 = 64
/30 = 27 = 128
192.168.1.0
- Semarang
Host yang ada : 62
Network : 192.168.1.0 /26
Host : 192.168.1.1 s.d 192.168.1.62
Broadcast : 192.168.1.63
- 192.168.1.64 /26
- Pekalongan
Host yang ada : 30
Network : 192.168.1.64 /27
Host : 192.168.1.65 s.d 192.168.1.94
Broadcast : 192.168.1.95
Sisa network 192.168.1.64 /26 digunakan untuk kudus dan solo masing-masing 10
- Kudus dan Solo
- Kudus :
Host yang ada : 14
Network : 192.168.1.96 /28
Host : 192.168.1.97 s.d 192.168.1.110
Broadcast : 192.168.1.111
- Solo :
Host yang ada : 14
Network : 192.168.1.112 /28
Host : 192.168.1.113 s.d 192.168.1.126
Broadcast : 192.168.1.127
Seluruh Network 192.168.1.64 /26 digunakan dan habis
- 192.168.1.128 /26
- WAN I
Host yang ada : 2
Network : 192.168.1.128 /30
Host : 192.168.1.129 s.d 192.168.1.130
Broadcast : 192.168.1.131
- WAN II
Host yang ada : 2
Network : 192.168.1.132 /30
Host : 192.168.1.133 s.d 192.168.1.134
Broadcast : 192.168.1.135
- WAN III
Host yang ada : 2
Network : 192.168.1.136 /30
Host : 192.168.1.137 s.d 192.168.1.138
Broadcast : 192.168.1.139
Sisa host 192.168.1.140 – 192.168.1.191
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