Configure IP Addresses and Unique Subnets for New Users

Running head: NETWORK TOPOLOGY AND IP ADDRESSING
Network Topology and IP Addressing
Name of the Student
Name of the University
Author Note

NETWORK TOPOLOGY AND IP ADDRESSING1
1. Network Topology Design
Figure 1: Design of Network Topology of the Company
The above diagram shows how the company obtains internet access from the ISP
through the gateway router and distributes the connection to two redundant routers in other
buildings. This connection is setup over a Wide Area Network (WAN). The redundant
routers then route the connection to respective departments in the same building.
2. IP Subnet Classification
Sport
Allocated Subnet/Mask 255.255.255.128 /25
Network address 172.8.10.0
Default gateway address 172.8.10.1
Valid host address range 172.8.10.1 - 172.8.10.126
Broadcast address 172.8.10.127
Health
Allocated Subnet/Mask 255.255.255.192 /26

NETWORK TOPOLOGY AND IP ADDRESSING2
Network address 172.8.20.0
Default gateway address 172.8.20.1
Valid host address range 172.8.20.1 - 172.8.20.62
Broadcast address 172.8.20.63
Business
Allocated Subnet/Mask 255.255.255.192 /26
Network address 172.8.30.0
Default gateway address 172.8.30.1
Valid host address range 172.8.30.1 - 172.8.30.62
Broadcast address 172.8.30.63
Engineering
Allocated Subnet/Mask 255.255.255.192 /26
Network address 172.8.40.0
Default gateway address 172.8.40.1
Valid host address range 172.8.40.1 - 172.8.40.62
Broadcast address 172.8.40.63
Human Resources
Allocated Subnet/Mask 255.255.255.240 /28
Network address 172.8.50.0
Default gateway address 172.8.50.1

NETWORK TOPOLOGY AND IP ADDRESSING3
Valid host address range 172.8.50.1 - 172.8.50.14
Broadcast address 172.8.50.15
Subnet
Name
Neede
d Size
Allocate
d Size
Addres
s
Mas
k
Dec Mask
Assignabl
e Range
Broadcas
t
ISP -
Gatewa
y
2 2
200.1.4.
0
/30
255..255.255.2
52
200.1.4.1
-
200.1.4.2
200.1.4.3
Gatewa
y -R0
2 2
172.8.1.
0
/30
255..255.255.2
52
172.8.1.1
–
172.8.1.2
172.8.1.3
Gatewa
y -R1
2 2
172.8.1.
4
/30
255..255.255.2
52
172.8.1.5
–
172.8.1.6
172.8.1.7

NETWORK TOPOLOGY AND IP ADDRESSING4
3. Labelled network topology with corresponding subnets and ip addresses
Figure 2: Labelled Topology of Company Network
In the above topology diagram the network addresses and subnets used by the various
interfaces and sub-interfaces have been specified.
4. Routing and Switching Configuration
Redundant R0
Switch(config)#int fa1/0
Router(config-subif)#no shut
Router(config-subif)#int fa1/0.10
Router(config-subif)#encap dot1q 10
Router(config-subif)#ip address 172.8.10.1 255.255.255.128
Router(config-subif)#exit

NETWORK TOPOLOGY AND IP ADDRESSING5
Router(config-subif)#int fa1/0.20
Router(config-subif)#encap dot1q 20
Router(config-subif)#ip address 172.8.20.1 255.255.255.192
Router(config-subif)#exit
Router(config-subif)#int fa1/0.30
Router(config-subif)#encap dot1q 30
Router(config-subif)#ip address 172.8.30.1 255.255.255.192
Router(config-subif)#exit
Router(config-subif)#int fa1/0.40
Router(config-subif)#encap dot1q 40
Router(config-subif)#ip address 172.8.40.1 255.255.255.192
Router(config-subif)#exit
Router(config-subif)#int fa1/0.50
Router(config-subif)#encap dot1q 50
Router(config-subif)#ip address 172.8.50.1 255.255.255.240
Router(config-subif)#exit
Router(config)#int fa1/0.10
Router(config-subif)#standby 1 ip 172.8.10.1
Router(config-subif)#standby 1 priority 210
Router(config-subif)#standby 1 preempt
Router(config-subif)#standby 1 track s2/0
Router(config-subif)#exit
Router(config)#int fa1/0.20
Router(config-subif)#standby 2 ip 172.8.20.1
Router(config-subif)#standby 2 priority 210