Routing 3 Router
A. DESAIN JARINGAN
B. TABEL ROUTING
|
Device
|
Interface
|
IP Address
|
Subnet Mask
|
Default Gateway
|
|
BRANCH
|
Fa0/0
|
192.168.40.129
|
255.255.255.224
|
N/A
|
|
Fa0/1
|
192.168.40.161
|
255.255.255.240
|
N/A
|
|
|
S0/0/0
|
192.168.40.178
|
255.255.255.252
|
N/A
|
|
|
HQ
|
Fa0/0
|
192.168.40.1
|
255.255.255.192
|
N/A
|
|
Fa0/1
|
192.168.40.65
|
255.255.255.192
|
N/A
|
|
|
S0/0/0
|
192.168.40.177
|
255.255.255.252
|
N/A
|
|
|
S0/0/1
|
209.165.202.129
|
255.255.255.224
|
N/A
|
|
|
ISP
|
Fa0/0
|
209.165.200.225
|
255.255.255.224
|
N/A
|
|
S0/0/1
|
209.165.202.130
|
255.255.255.224
|
N/A
|
|
|
PC1
|
NIC
|
192.168.40.130
|
255.255.255.224
|
192.168.40.129
|
|
PC2
|
NIC
|
192.168.40.162
|
255.255.255.240
|
192.168.40.161
|
|
PC3
|
NIC
|
192.168.40.2
|
255.255.255.192
|
192.168.40.1
|
|
PC4
|
NIC
|
192.168.40.66
|
255.255.255.192
|
192.168.40.65
|
|
PC5
|
NIC
|
209.165.200.226
|
255.255.255.224
|
209.165.200.225
|
C.
SUBNETTING
Keterangan :
1.
ISP LAN menggunakan network è
209.165.200.224/27
2.
ISP – HQ menggunakan network è209.165.202.128/27
3.
Network 192.168.40.0/24 harus di
subnetting :
·
HQ LAN 1 è 50 host
·
HQ LAN 2 è 50 host
·
Branch LAN 1 è
30 host
·
Branch LAN 2 è
12 host
·
HQ – Branch è
2 host
Subnetting
1)
ISP LAN è 209.165.200.224/27
Subnetmask = 255.255.255.11100000 è255.255.255.224
Jumlah
subnet = 2ˣ
= 2³
= 8 subnet
Jumlah
host = 2ʸ - 2
= 25 – 2
= 32 – 2
= 30 host
Blok
subnet = 256 – 224 = 32
= 0, 32, 64......224
2)
ISP - HQè
209.165.202.128/27
Subnetmask
= 255.255.255.11100000 è255.255.255.224
Subnetmask = 255.255.255.11100000 è255.255.255.224
Jumlah
subnet = 2ˣ
= 2³
= 8 subnet
Jumlah
host = 2ʸ - 2
= 25 – 2
= 32 – 2
= 30 host
Blok
subnet = 256 – 224 = 32
= 0, 32, 64......224
3)
Ip address 192.168.40.0/24
·
HQ LAN 1 è 50 host
2ʸ
- 2 = 50
2ʸ = 52 è
y = 6, x=2
Subnetmask
255.255.255.11000000 è 255.255.255.192
Blok subnet = 256 – 192 = 64
= 0, 64,128,192
Network =
192.168.40.0/27
Range IP =
192.168.40.1 - 192.168.40.62
|
Subnet
|
192.168.40.0
|
192.168.40.64
|
192.168.40.128
|
192.168.40.192
|
|
Host pertama
|
192.168.40.1
|
192.168.40.65
|
192.168.40.129
|
192.168.40.192
|
|
Host terakhir
|
192.168.40.62
|
192.168.40.126
|
192.168.40.190
|
192.168.40.254
|
|
Broadcast
|
192.168.40.63
|
192.168.40.127
|
192.168.40.191
|
192.168.40.255
|
|
|
Range IP HQ
LAN 1
|
Range IP HQ
LAN 2
|
Range IP
Branch (LAN 1dan 2)
Range IP
Branch dan HQ
|
·
HQ LAN 2 è 50 host
Subnetmask
255.255.255.11000000 è
255.255.255.192 (sama dengan HQ LAN 1 )
Blok subnet = 256 – 192 = 64
= 0, 64,128,192
Network =
192.168.40.64/27
Range IP =
192.168.40.65 - 192.168.40.126
·
Branch LAN 1 è
30 host
2ʸ - 2 = 30
2ʸ = 32 è y = 5, x=3
Subnetmask
255.255.255.11100000 è
255.255.255.224
Blok subnet = 256 – 224 = 32
= 0, 32, 64, 96, 128, 160, 192.....
Network = 192.168.40.128/27
Range
IP = 192.168.40.129 - 192.168.40.158
.
·
Branch LAN 2 è
12 host
2ʸ - 2 = 12
2ʸ = 14 è y = 4, x=4
Subnetmask
255.255.255.11110000 è
255.255.255.240
Blok subnet = 256 – 240 = 16
= 0, 16.....128, 144, 160, 176, .....
Network = 192.168.40.160/28
Range
IP = 192.168.40.161 - 192.168.40.174
·
HQ – Branch è
2 host
2ʸ - 2 = 2
2ʸ = 4 è y =2, x=6
Subnetmask
255.255.255.11111100 è
255.255.255.252
Blok subnet = 256 – 252 = 4
=
0, 2, 4.........160, 164, 168, 172, 176,
180.....
Network = 192.168.40.176/30
Range IP = 192.168.40.177 - 192.168.40.178
Dengan adanya
subnetting, akan mengurangi pemborosan IP Address. Karena melalui subnetting,
sebuah IP Network dapat dibagi lagi mejadi sub-sub IP Network / subnet. Selain
itu, penggunaan router rip ini sangat membantu dalam memudahkan jaringan yang
berbeda dapat saling berkomunikasi tanpa pengaturan manual. Manfaat dari router
rip ini akan sangat terlihat apabila diimplementasikan dalam sebuah jaringan
yang besar.
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