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Master-Level Packet Tracer Assignments: Advanced Network Design and Configuration Solutions

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Advanced VLAN Configuration and Inter-VLAN Routing

One of the most common and crucial tasks in network design is the configuration of VLANs (Virtual Local Area Networks) and ensuring seamless communication between them. Here, we present an advanced VLAN configuration and inter-VLAN routing scenario.

Question 1: VLAN Configuration and Inter-VLAN Routing

Scenario: You are tasked with designing a network for a mid-sized company that requires multiple VLANs for different departments and inter-VLAN communication. The network consists of three departments: Sales, IT, and HR. Each department should be assigned a separate VLAN. Additionally, the IT department should have a server accessible by all departments. Configure the following:

Create three VLANs: Sales (VLAN 1, IT (VLAN 2, and HR (VLAN 3.

Assign ports to respective VLANs.

Configure inter-VLAN routing using a Layer 3 switch.

Ensure the IT department’s server (IP: 192.168.20.1 is accessible from all departments.

Solution:

Creating VLANs:

Access the switch CLI and enter global configuration mode.

Switch(config)# vlan 10
Switch(config-vlan)# name Sales
Switch(config-vlan)# exit
Switch(config)# vlan 20
Switch(config-vlan)# name IT
Switch(config-vlan)# exit
Switch(config)# vlan 30
Switch(config-vlan)# name HR
Switch(config-vlan)# exit

Assigning Ports to VLANs:

Assign ports to the respective VLANs based on the company’s layout.

Switch(config)# interface range fa0/1 - 10
Switch(config-if-range)# switchport mode access
Switch(config-if-range)# switchport access vlan 10
Switch(config-if-range)# exit

Switch(config)# interface range fa0/11 - 20
Switch(config-if-range)# switchport mode access
Switch(config-if-range)# switchport access vlan 20
Switch(config-if-range)# exit

Switch(config)# interface range fa0/21 - 30
Switch(config-if-range)# switchport mode access
Switch(config-if-range)# switchport access vlan 30
Switch(config-if-range)# exit

Configuring Inter-VLAN Routing:

Configure a Layer 3 switch to handle routing between VLANs.

Switch(config)# interface vlan 10
Switch(config-if)# ip address 192.168.10.1 255.255.255.0
Switch(config-if)# no shutdown
Switch(config-if)# exit

Switch(config)# interface vlan 20
Switch(config-if)# ip address 192.168.20.1 255.255.255.0
Switch(config-if)# no shutdown
Switch(config-if)# exit

Switch(config)# interface vlan 30
Switch(config-if)# ip address 192.168.30.1 255.255.255.0
Switch(config-if)# no shutdown
Switch(config-if)# exit

Ensuring Server Accessibility:

Verify the routing by ensuring the server in the IT department is reachable from other VLANs.

Enable routing on the Layer 3 switch.

Switch(config)# ip routing

Testing Connectivity:

Use Ping commands from devices in different VLANs to the IT server.

PC> ping 192.168.20.10

This setup ensures that the Sales, IT, and HR departments are segregated into their respective VLANs while maintaining communication through inter-VLAN routing. The IT server remains accessible to all departments, facilitating efficient resource sharing.

Advanced OSPF Multi-Area Configuration

Another critical aspect of network design is configuring dynamic routing protocols to manage large-scale networks efficiently. Here, we present an advanced scenario involving OSPF (Open Shortest Path First) multi-area configuration.

Question 2: OSPF Multi-Area Configuration

Scenario: Design a network using OSPF with multiple areas. The network consists of three areas: Area 0 (Backbone), Area 1, and Area 2. Each area has multiple routers connected. Ensure the following:

Configure OSPF on all routers.

Assign networks to their respective areas.

Verify OSPF adjacency and routing table updates.

Solution:

Configuring OSPF on Routers:

Access the CLI of each router and enable OSPF.

Router(config)# router ospf 1

Assigning Networks to OSPF Areas:

Assign the networks to their respective areas. Assume the following IP address scheme:

Area 0: 192.168.0.0/24

Area 1: 192.168.1.0/24, 192.168.2.0/24

Area 2: 192.168.3.0/24, 192.168.4.0/24

Router(config-router)# network 192.168.0.0 0.0.0.255 area 0
Router(config-router)# network 192.168.1.0 0.0.0.255 area 1
Router(config-router)# network 192.168.2.0 0.0.0.255 area 1
Router(config-router)# network 192.168.3.0 0.0.0.255 area 2
Router(config-router)# network 192.168.4.0 0.0.0.255 area 2

Verifying OSPF Adjacency:

Verify OSPF adjacency between routers.

Router# show ip ospf neighbor

Verifying Routing Table Updates:

Check the routing tables to ensure routes are correctly learned.

Router# show ip route ospf

Conclusion

Through these examples, we have demonstrated the advanced network design and configuration capabilities of our team. At https://www.computernetworkass....ignmenthelp.com/pack our experts are adept at handling complex networking tasks, ensuring that your assignments are completed with the highest level of accuracy and professionalism. Whether it's configuring VLANs, implementing inter-VLAN routing, or setting up OSPF multi-area networks, our "packet tracer assignment helper" is here to provide you with comprehensive solutions that meet your academic and professional needs. Reach out to us for reliable and expert assistance in all your computer network assignments.