Lab 4: Configuring VLANs and Inter-VLAN Routing Using Cisco Packet Tracer

Lab 4: Implementing Inter-VLAN Routing

General Instructions for All Labs

1. Tools Required:
   • Cisco Packet Tracer: Ensure you have the latest version installed.
   • Access Credentials: Username and password for network devices, if necessary.
   • Reference Materials: Course slides, textbook chapters, and any supplementary resources provided.
2. Submission Requirements:
   • Lab Report Document: A PDF or Word document containing:
     • Introduction: Brief overview of the lab objectives.
     • Step-by-Step Execution: Detailed description of the steps taken.
     • Screenshots: Clear images of key components and configurations.
     • Feedback: Personal insights on the lab experience.
     • Learnings: Summary of what was learned and how it applies to real-world scenarios.
3. Assessment Criteria:
   • Accuracy: Correctness of configurations and network setups.
   • Completeness: Inclusion of all required steps and components.
   • Clarity: Clear explanations and well-organized report.
   • Evidence: Quality and relevance of screenshots provided.

Week 4: Data Link Layer

Lab 4: Configuring VLANs and Inter-VLAN Routing

Objective:

• Create and assign VLANs on switches.
• Configure inter-VLAN routing to enable communication between different VLANs.

Required Tools:

• Cisco Packet Tracer
• Access to course slides on Data Link Layer and VLANs

Step-by-Step Instructions:

1. Launch Cisco Packet Tracer:
   • Open Cisco Packet Tracer.
2. Create a Network Topology:
   • Add Devices:
     • Drag and drop two Switches, one Router, and four Generic PCs.
   • Connect Devices:
     • Connect Switch1 to Router via GigabitEthernet0/0.
     • Connect Switch2 to Router via GigabitEthernet0/1.
     • Connect PC1 and PC2 to Switch1.
     • Connect PC3 and PC4 to Switch2.
3. Configure VLANs on Switches:
   Switch1> enable
   Switch1# configure terminal
   Switch1(config)# vlan 10
   Switch1(config-vlan)# name Sales
   Switch1(config-vlan)# exit
   Switch1(config)# vlan 20
   Switch1(config-vlan)# name Engineering
   Switch1(config-vlan)# exit
   • Assign Ports to VLANs:
     Switch1(config)# interface FastEthernet0/1
     Switch1(config-if)# switchport mode access
     Switch1(config-if)# switchport access vlan 10
     Switch1(config-if)# exit
     Switch1(config)# interface FastEthernet0/2
     Switch1(config-if)# switchport mode access
     Switch1(config-if)# switchport access vlan 20
     Switch1(config-if)# exit
     

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4. Configure IP Addresses for VLANs on the Router:
   Router> enable
   Router# configure terminal
   Router(config)# interface GigabitEthernet0/0
   Router(config-if)# no shutdown
   Router(config-if)# exit
   Router(config)# interface GigabitEthernet0/0.10
   Router(config-subif)# encapsulation dot1Q 10
   Router(config-subif)# ip address 192.168.10.1 255.255.255.0
   Router(config-subif)# exit
   Router(config)# interface GigabitEthernet0/0.20
   Router(config-subif)# encapsulation dot1Q 20
   Router(config-subif)# ip address 192.168.20.1 255.255.255.0
   Router(config-subif)# exit
   Router(config)# exit
   Router# write memory
5. Assign IP Addresses to PCs:
   • PC1 (VLAN 10 – Sales):
     • IP Address: 192.168.10.2
     • Subnet Mask: 255.255.255.0
     • Default Gateway: 192.168.10.1
   • PC2 (VLAN 10 – Sales):
     • IP Address: 192.168.10.3
     • Subnet Mask: 255.255.255.0
     • Default Gateway: 192.168.10.1
   • PC3 (VLAN 20 – Engineering):
     • IP Address: 192.168.20.2
     • Subnet Mask: 255.255.255.0
     • Default Gateway: 192.168.20.1
   • PC4 (VLAN 20 – Engineering):
     • IP Address: 192.168.20.3
     • Subnet Mask: 255.255.255.0
     • Default Gateway: 192.168.20.1
6. Configure Trunk Ports on Switches:
   Switch1(config)# interface GigabitEthernet0/24
   Switch1(config-if)# switchport mode trunk
   Switch1(config-if)# switchport trunk allowed vlan 10,20
   Switch1(config-if)# exit
   Switch2(config)# interface GigabitEthernet0/24
   Switch2(config-if)# switchport mode trunk
   Switch2(config-if)# switchport trunk allowed vlan 10,20
   Switch2(config-if)# exit
7. Verify VLAN Configuration:
   • On Switch1:
     Switch1# show vlan brief
     • Ensure VLANs 10 and 20 are listed with assigned ports.
   • On Router:
     Router# show ip interface brief
     Router# show running-config interface GigabitEthernet0/0.10
     Router# show running-config interface GigabitEthernet0/0.20
8. Test Inter-VLAN Connectivity:
   • From PC1 (VLAN 10), ping PC3 (VLAN 20):
     ping 192.168.20.2
   • From PC3 (VLAN 20), ping PC1 (VLAN 10):
     ping 192.168.10.2
   • Confirm that pings are successful, indicating proper inter-VLAN routing.

Assignment Submission:

• Lab Report Document:
  • Introduction: Explain the objectives of configuring VLANs and inter-VLAN routing.
  • Execution Steps: Describe each configuration step, linking them to VLAN concepts.
  • Screenshots: Include images of VLAN configurations on switches, router sub-interfaces, IP configurations on PCs, VLAN tables, and successful ping tests.
  • Feedback: Reflect on the process of setting up VLANs and configuring inter-VLAN routing.
  • Learnings: Discuss the benefits of VLANs in network segmentation and management.

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