Network Design You will be creating the networks for the 4 LANs and the two inte
ID: 3581887 • Letter: N
Question
Network Design
You will be creating the networks for the 4 LANs and the two internal point-to-point networks. You are given the 38.4.2.0/24 network to work with.
First create the Central LAN network, which will need to support 125 hosts. The second network will be the R1 Student LAN (VLAN 10), and will need to support 60 hosts. The third network will be the Faculty LAN (VLAN 20), which will need to support 22 hosts. The fourth networks will be the Staff LAN (VLAN 30) which will require 12 hosts. The fifth and sixth networks will be used to for the serial point-to-point links, and will each support 2 hosts. Note that there will be a small amount of unused address space when you have completed your subnetting.
For the LANs, assign the first usable address to the router interface, and the second to the PCs. For the Central LAN, you will also be assigning the last assignable address to switch S4 VLAN 1 interface. I recommend that you fill out the following table to keep things straight, but the table will not need to be submitted.
Final Lab – Addressing Table
Device/Interface
IP Address
Network Mask
Default gateway
Central Gi0/1
n/a
Central S0/0/0
n/a
Central S0/0/1
n/a
Branch Gi0/1.10
n/a
Branch Gi0/1.20
n/a
Branch Gi0/1.30
n/a
Branch S0/0/0
n/a
HQ S0/0/1
n/a
HQ S0/0/0
200.2.2.9 (preconfigured)
255.255.255.252
n/a
PC1 (VLAN 10)
PC2 (VLAN 20)
PC3 (VLAN 30)
PC4 (VLAN 10)
PC5 (VLAN 20)
PC6 (VLAN 30)
PC7
Switch S4
Device/Interface
IP Address
Network Mask
Default gateway
Central Gi0/1
n/a
Central S0/0/0
n/a
Central S0/0/1
n/a
Branch Gi0/1.10
n/a
Branch Gi0/1.20
n/a
Branch Gi0/1.30
n/a
Branch S0/0/0
n/a
HQ S0/0/1
n/a
HQ S0/0/0
200.2.2.9 (preconfigured)
255.255.255.252
n/a
PC1 (VLAN 10)
PC2 (VLAN 20)
PC3 (VLAN 30)
PC4 (VLAN 10)
PC5 (VLAN 20)
PC6 (VLAN 30)
PC7
Switch S4
Explanation / Answer
Network Design
You will be creating the networks for the 4 LANs and the two internal point-to-point networks. You are given the 38.4.2.0/24 network to work with.
First create the Central LAN network, which will need to support 125 hosts. The second network will be the R1 Student LAN (VLAN 10), and will need to support 60 hosts. The third network will be the Faculty LAN (VLAN 20), which will need to support 22 hosts. The fourth networks will be the Staff LAN (VLAN 30) which will require 12 hosts. The fifth and sixth networks will be used to for the serial point-to-point links, and will each support 2 hosts. Note that there will be a small amount of unused address space when you have completed your subnetting.
For the LANs, assign the first usable address to the router interface, and the second to the PCs. For the Central LAN, you will also be assigning the last assignable address to switch S4 VLAN 1 interface. I recommend that you fill out the following table to keep things straight, but the table will not need to be submitted.
Final Lab – Addressing Table
Device/Interface
IP Address
Network Mask
Default gateway
Central Gi0/1
38.4.2.1
255.255.255.128
n/a
Central S0/0/0
38.4.2.230
255.255.255.252
n/a
Central S0/0/1
38.4.2.233
255.255.255.252
n/a
Branch Gi0/1.10
38.4.2.129
255.255.255.192
n/a
Branch Gi0/1.20
38.4.2.193
255.255.255.224
n/a
Branch Gi0/1.30
38.4.2.225
255.255.255.228
n/a
Branch S0/0/0
38.4.2.229
255.255.255.252
n/a
HQ S0/0/1
38.4.2.234
255.255.255.252
n/a
HQ S0/0/0
200.2.2.9 (preconfigured)
255.255.255.252
n/a
PC1 (VLAN 10)
38.4.2.130
255.255.255.192
38.4.2.129
PC2 (VLAN 20)
38.4.2.194
255.255.255.224
38.4.2.193
PC3 (VLAN 30)
38.4.2.226
255.255.255.228
38.4.2.225
PC4 (VLAN 10)
38.4.2.131
255.25.255.192
38.4.2.130
PC5 (VLAN 20)
38.4.2.196
255.255.255.224
38.4.2.195
PC6 (VLAN 30)
38.4.2.228
255.255.255.228
38.4.2.227
PC7
38.4.2.2
255.255.255.128
38.4.2.1
Switch S4
38.4.2.4
255.255.255.128
38.4.2.3
Device/Interface
IP Address
Network Mask
Default gateway
Central Gi0/1
38.4.2.1
255.255.255.128
n/a
Central S0/0/0
38.4.2.230
255.255.255.252
n/a
Central S0/0/1
38.4.2.233
255.255.255.252
n/a
Branch Gi0/1.10
38.4.2.129
255.255.255.192
n/a
Branch Gi0/1.20
38.4.2.193
255.255.255.224
n/a
Branch Gi0/1.30
38.4.2.225
255.255.255.228
n/a
Branch S0/0/0
38.4.2.229
255.255.255.252
n/a
HQ S0/0/1
38.4.2.234
255.255.255.252
n/a
HQ S0/0/0
200.2.2.9 (preconfigured)
255.255.255.252
n/a
PC1 (VLAN 10)
38.4.2.130
255.255.255.192
38.4.2.129
PC2 (VLAN 20)
38.4.2.194
255.255.255.224
38.4.2.193
PC3 (VLAN 30)
38.4.2.226
255.255.255.228
38.4.2.225
PC4 (VLAN 10)
38.4.2.131
255.25.255.192
38.4.2.130
PC5 (VLAN 20)
38.4.2.196
255.255.255.224
38.4.2.195
PC6 (VLAN 30)
38.4.2.228
255.255.255.228
38.4.2.227
PC7
38.4.2.2
255.255.255.128
38.4.2.1
Switch S4
38.4.2.4
255.255.255.128
38.4.2.3
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