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ITNE2003 Lab Tutorial 5

ITNE2003
Install, Configure, Operate and Troubleshoot Medium-Sized Networks
Lab Tutorial – 5 of Lesson - 5
Victorian Institute of technology

Task Assignment

ITNE2003 Lab Tutorial 5 image 1

IP Network to be subnetted: 192.168.10.0/24

  • HQ: 50 PCs
  • Branch A: 20 PCs

Network Address Plan

Head Quarter

Total number of IP address required in details

Number of IP addresses allocated for PCs

Number of IP addresses allocated for router interface

Number of IP addresses reserved for future use

53

50

1

11

Allocated subnet

192.168.10.0/26

Network Address

192.168.10.0

Broadcast Address

192.168.10.63

Valid host address range (can be used to assign to PCs, servers, IP phones, printers etc.)

192.168.10.1 – 192.168.10.62

Branch A

Total number of IP address required in details

Number of IP addresses allocated for PCs

Number of IP addresses allocated for router interface

Number of IP addresses reserved for future use

23

20

1

9

Allocated subnet

192.168.10.64/27

Network Address

192.168.10.64

Broadcast Address

192.168.10.95

Valid host address range (can be used to assign to PCs, servers, IP phones, printers etc.)

192.168.10.65 – 192.168.10.94

R1-R2 subnet

Total number of IP address required in details

Number of IP addresses allocated for router interfaces

Number of IP addresses reserved for future use

4 (for IOS compatibility)

2

0

Allocated subnet

192.168.10.252/30

Network Address

192.168.10.252

Broadcast Address

192.168.10.254

R1 and R2 Interface IP address

192.168.10.253 and 192.168.10.254

Address allocation map

HQ Network

192.168.10.0

192.168.10.63

Branch A

192.168.10.64

192.168.10.95

Unused addresses

R1-R2 subnet

192.168.10.252

192.168.10.255

Router interface description table

This table helps network engineers to quickly identify the routing direction of each interface in a complex network environment.

Router R1 (HQ)

Interface FastEthernet0/0

192.168.10.1/255.255.255.192

To HQ network

Interface FastEthernet0/1

None

Not connected

Interface Serial0/1/0

192.168.10.253/255.255.255.252

To branch A

Router R2 (Branch-A)

Interface FastEthernet0/0

192.168.10.65/255.255.255.224

To Branch A network

Interface FastEthernet0/1

None

Not connected

Interface Serial0/1/0

192.168.10.254/255.255.255.252

To HQ

Network Topology

Before we start to configure the above network, we need to create the topology in our Packet Tracer simulation tool. Based on the above table we can build our network as follows:

ITNE2003 Lab Tutorial 5 image 2

Configuration

Router1 Configuration

Hostname

ITNE2003 Lab Tutorial 5 image 3

Interface Configuration

As our topology indicates, R1 has two connected interfaces: FastEthernet 0/0 and Serial 0/1/0. It also has FastEthernet 0/1 that is unused in this scenario. Here is how we configure these interfaces.

FastEthernet 0/0

ITNE2003 Lab Tutorial 5 image 4

FastEthernet0/1

ITNE2003 Lab Tutorial 5 image 5

Interface FastEthernet 0/1 is unused in this scenario, so it’s better to shut down the interface. In real world, shutting down unused interfaces helps having better security in network.

Serial 0/1/0

Interface Serial 0/1/0 in connected to “Branch A” router and it needs an IP address from

192.168.10.253/30 subnet to be operational. We also need to check if this interface is DCE/DTE. As discussed in previous assignments, for DCE interfaces “Clock rate” should be configured on router.

ITNE2003 Lab Tutorial 5 image 6

And the configuration for serial 0/1/0 would be:

ITNE2003 Lab Tutorial 5 image 7

Router 1 access protection

ITNE2003 Lab Tutorial 5 image 8

Save Configuration

ITNE2003 Lab Tutorial 5 image 9

Router2 Configuration

ITNE2003 Lab Tutorial 5 image 10

Interface Configuration

FastEthernet 0/0

ITNE2003 Lab Tutorial 5 image 11

FastEthernet0/1

ITNE2003 Lab Tutorial 5 image 12

Serial 0/1/0

As you can see from the output of “show controller” command on RouterBA, serial 0/1/0 on that router is DTE and there is no need to set clock rate on it.

ITNE2003 Lab Tutorial 5 image 13

Following figure shows serial 0/1/0 configuration on RouterBA:

ITNE2003 Lab Tutorial 5 image 14

Router 2 access protection

ITNE2003 Lab Tutorial 5 image 15

Save configurations

Finally, we save the running configuration to NVRAM so routers can load the configuration automatically next time when power on.

ITNE2003 Lab Tutorial 5 image 16

After you have successfully configured the two router interfaces, the connection between the interfaces are established and shown in green colour.

ITNE2003 Lab Tutorial 5 image 17

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