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project.txt
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project.txt
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Passo 1:
Domini di collisione:
TAP: 2
CD1: 130
CD2: 2
CD4: 2
CD5: 206
CD6: 11
CD7: 225
CD8: 104
Passo 2: Calcolo delle maschere per i domini di collisione
Tenere conto del numero richiesto + Network e Broadcast
TAP: 2^2 >= 4 --> x = 2
Maschera = 32 - 2 = 30
CD2: x = 2
Maschera = 30
CD4:x = 2
Maschera = 30
CD1: 2^x >= 132 --> x = 8
Maschera = 32-8 = 24
CD5: 2^x >= 208 --> x = 8
Maschera = 32-8 = 24
CD6: 2^x >= 13 --> x = 4
Maschera = 32 - 4 = 28
CD7: 2^x >= 227 --> x = 8
Maschera = 32 - 8 = 24
CD8: 2^x >= 106 --> x = 7
Maschera = 32 - 7 = 25
Step 3: Ordinare domini di collisione
in ordine di maschera più piccola
TAP: Maschera = 30
CD2: Maschera = 30
CD4: Maschera = 30
CD1(Green): Maschera = 24
CD5(DMZ): Maschera = 24
CD6(DMZ): Maschera = 28
CD7(Red): Maschera = 24
CD8(Red): Maschera = 25
Green Area:
CD1: 24
Red Area:
CD7: 24
CD8: 25
DMZ Area:
CD5:24
CD6:28
No Area:
TAP: 30
CD2: 30
CD4: 30
Step 4: ordinamento dei domini di collisione da
maschera più bassa a maschera più alta.
Green Area:
CD1: 24
Red Area:
CD7: 24
CD8: 25
DMZ Area:
CD5:24
CD6:28
No Area:
TAP: 30
CD2: 30
CD4: 30
STEP 5: accorpamento aree - Separare le aree
logicamente come se fossero sottoreti differenti
Green Area: 24
CD1: 24
Red Area: 23
CD7: 24
CD8: 25
DMZ Area: 23
CD5: 24
CD6: 28
Senza area : niente accorpamento
TAP: 30
CD2: 30
CD4: 30
STEP 6: ordinamento delle aree per maschera
Red Area: 23
CD7: 24
CD8: 25
DMZ Area: 23
CD5: 24
CD6: 28
Green Area: 24
CD1: 24
Senza area : niente accorpamento
TAP: 30
CD2: 30
CD4: 30
STEP 7: Assegnare NETWORK e BROADCAST
Partiamo con 10.0.0.0 --> primo della rete
24 bit a disposizione
Assegnamento a Red Area)
CD7: 24
NETWORK: 10.0.0.0/24
NETMASK: 24
11111111.11111111.11111111.00000000
255.255.255.0
BROADCAST:
NETWORK IN BINARIO +
MASCHERA INVERTITA =
00001010.00000000.00000000.00000000 +
00000000.00000000.00000000.11111111 =
00001010.00000000.00000000.11111111 : BROADCAST
BROADCAST DECIMALE: 10.0.0.255
CD8: 25
CALCOLO NETWORK: BROADCAST PREC + 1 bit
10.0.0.255 + 1 = 10.0.1.0
NETWORK =10.0.1.0 /25
NETMASK: 25
11111111.11111111.11111111.10000000
255.255.255.128
BROADCAST:
00001010.00000000.00000001.00000000 +
00000000.00000000.00000000.01111111 =
00001010.00000000.00000001.01111111 : BROADCAST
BROADCAST DECIMALE: 10.0.1.127
CD_RED: 23
NETWORK: 10.0.0.0/23
NETMASK:
11111111.11111111.11111110.00000000
255.255.254.0
BROADCAST:
00001010.00000000.00000000.00000000 +
00000000.00000000.00000001.11111111 =
00001010.00000000.00000001.11111111 = BROADCAST
BROADCAST DECIMALE: 10.0.1.255
FINE AREA RED
########################################################
***********
DMZ Area: 23
CD5: 24
CD6: 28
***********
Assegnamento a DMZ Area)
CD5: 24
CALCOLO NETWORK: 10.0.1.255 + 1 = 10.0.2.0/24
NETWORK: 10.0.2.0/24
NETMASK:
11111111.11111111.11111111.00000000
255.255.255.0
BROADCAST:
10.0.2.0 + max 0 = 10.0.2.0 + 2^8 =
= 10.0.2.0 + 256 - 1 (-1 perchè il network è gia assegnato)
= 10.0.2.255 --> Broadcast
CD6: 28
CALCOLO NETWORK: 10.0.2.255 + 1 = 10.0.3.0
NETWORK: 10.0.3.0/28
NETMASK:
11111111.11111111.11111111.11110000
255.255.255.240
BROADCAST: 10.0.3.0 + 2^4 = 16 - 1 =
10.0.3.15
CD_DMZ: 23
NETWORK: 10.0.2.0/23
NETMASK:
11111111.11111111.11111110.00000000
255.255.254.0
BROADCAST: 10.0.2.0 + 2^9 =
= 10.0.2.0 + 512 - 1 =
= 10.0.3.0 + 255 =
= 10.0.3.255 --> Broadcast
FINE AREA DMZ
########################################################
***************
Green Area: 24
CD1: 24
***************
Assegnamento a Green Area)
CD1: 24
CALCOLO NETWORK: 10.0.3.255 + 1 = 10.0.4.0
NETWORK: 10.0.4.0/24
NETMASK:
11111111.11111111.11111111.00000000
255.255.255.0
BROADCAST:
10.0.4.0 + 2^8 - 1 =
= 10.0.4.0 + 255 =
= 10.0.4.255 --> Broadcast
CD_Green:24
COMBACIA CON CD1
CALCOLO NETWORK: 10.0.3.255 + 1 = 10.0.4.0
NETWORK: 10.0.4.0/24
NETMASK:
11111111.11111111.11111111.00000000
255.255.255.0
BROADCAST:
10.0.4.0 + 2^8 - 1 =
= 10.0.4.0 + 255 =
= 10.0.4.255 --> Broadcast
FINE AREA GREEN
########################################################
Calcolo per quelli che non appartengono ad un area
********************************
Senza area : niente accorpamento
TAP: 30
CD2: 30
CD4: 30
********************************
TAP: 30
CALCOLO NETWORK: 10.0.4.255 + 1 = 10.0.5.0
NETWORK: 10.0.5.0/30
NETMASK:
11111111.11111111.11111111.11111100
255.255.255.252
BROADCAST: 10.0.5.0 + 2^2 - 1 = 10.0.5.0 + 3 =
= 10.0.5.3 --> Broadcast
CD2: 30
CALCOLO NETWORK: 10.0.5.3 + 1 = 10.0.5.4
NETWORK: 10.0.5.4/30
NETMASK:
11111111.11111111.11111111.11111100
255.255.255.252
BROADCAST: 10.0.5.4 + 2^2 - 1 = 10.0.5.4 + 3 =
= 10.0.5.7 --> Broadcast
CD4: 30
CALCOLO NETWORK: 10.0.5.7 + 1 = 10.0.5.8
NETWORK: 10.0.5.8/30
NETMASK:
11111111.11111111.11111111.11111100
255.255.255.252
BROADCAST: 10.0.5.8 + 2^2 - 1 = 10.0.5.8 + 3 =
= 10.0.5.11 --> Broadcast
FINE SENZA AREE
########################################################
Riorganizzazione dati per vedere meglio
CD7: 24
NETWORK: 10.0.0.0/24
NETMASK: 255.255.255.0
BROADCAST: 10.0.0.255
CD8: 25
NETWORK: 10.0.1.0 /25
NETMASK: 255.255.255.128
BROADCAST: 10.0.1.127
CD_RED: 23
NETWORK: 10.0.0.0/23
NETMASK: 255.255.254.0
BROADCAST: 10.0.1.255
----------------------------
CD5: 24
NETWORK: 10.0.2.0/24
NETMASK: 255.255.255.0
BROADCAST: 10.0.2.255
CD6: 28
NETWORK: 10.0.3.0/28
NETMASK: 255.255.255.240
BROADCAST: 10.0.3.15
CD_DMZ: 23
NETWORK: 10.0.2.0/23
NETMASK: 255.255.254.0
BROADCAST: 10.0.3.255
----------------------------
CD1: 24
NETWORK: 10.0.4.0/24
NETMASK: 255.255.255.0
BROADCAST: 10.0.4.255
CD_Green:24
NETWORK: 10.0.4.0/24
NETMASK: 255.255.255.0
BROADCAST: 10.0.4.255
---------------------------
TAP: 30
NETWORK: 10.0.5.0/30
NETMASK: 255.255.255.252
BROADCAST: 10.0.5.3
CD2: 30
NETWORK: 10.0.5.4/30
NETMASK: 255.255.255.252
BROADCAST: 10.0.5.7
CD4: 30
NETWORK: 10.0.5.8/30
NETMASK: 255.255.255.252
BROADCAST: 10.0.5.11
----------------------------