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A VLAN (Virtual Local Area Network) segments a network logically, improving security and reducing traffic congestion. Here’s a simplified guide to help you configure VLANs efficiently in Cisco Packet Tracer.
📂 Download the Cisco Packet Tracer File: Cisco Packet Tracer File
Steps to Configure VLANs in Cisco Packet Tracer
Step 1: Enter Configuration Mode
Switch>enable Switch#configure terminal
Step 2: Create VLANs
Switch(config)#vlan 10 Switch(config-vlan)#name IT Switch(config-vlan)#exit Switch(config)#vlan 20 Switch(config-vlan)#name HR Switch(config-vlan)#exit
Step 3: Verify VLAN Creation
Switch(config)#do show vlan
Expected output:
VLAN Name Status Ports <hr /> 1 default active Fa0/1, Fa0/2, Fa0/3, Fa0/4, ... 10 IT active 20 HR active
Step 4: Assign VLANs to Ports
Assign VLAN 10 to interfaces Fa0/2 and Fa0/3:
Switch(config)#interface range Fa0/2-3 Switch(config-if-range)#switchport mode access Switch(config-if-range)#switchport access vlan 10 Switch(config-if-range)#exit
Assign VLAN 20 to interfaces Fa0/4 and Fa0/5:
Switch(config)#interface range Fa0/4-5 Switch(config-if-range)#switchport mode access Switch(config-if-range)#switchport access vlan 20 Switch(config-if-range)#exit
Step 5: Verify VLAN Assignments
Switch(config)#do show vlan
Expected output:
VLAN Name Status Ports <hr /> 1 default active Fa0/1, Fa0/6, Fa0/7, ... 10 IT active Fa0/2, Fa0/3 20 HR active Fa0/4, Fa0/5
Step 6: Assign Trunk to Ports
Switch(config)#interface fa0/1 Switch(config-if)#switchport mode trunk
What Undercode Say
Configuring VLANs is a fundamental skill for network administrators, especially when dealing with complex network infrastructures. VLANs not only enhance security by segmenting network traffic but also improve performance by reducing broadcast domains. The commands provided in this guide are essential for setting up VLANs in Cisco Packet Tracer, a tool widely used for network simulation and training.
In addition to the commands mentioned, here are some more useful commands for managing VLANs and network configurations:
- Show VLAN Brief: Displays a summary of VLANs configured on the switch.
Switch#show vlan brief
-
Show Interfaces Trunk: Lists all trunk ports and their associated VLANs.
Switch#show interfaces trunk
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Show Running-Config: Displays the current configuration of the switch.
Switch#show running-config
-
Clear VLAN from Interface: Removes a VLAN assignment from an interface.
Switch(config)#interface Fa0/2 Switch(config-if)#no switchport access vlan 10
-
Delete VLAN: Removes a VLAN from the switch configuration.
Switch(config)#no vlan 10
For those looking to deepen their understanding of VLANs and network configurations, consider exploring the following resources:
By mastering these commands and understanding the underlying concepts, you can efficiently manage and troubleshoot VLANs in real-world scenarios. Whether you’re working with Cisco devices or other networking equipment, the principles remain the same, making this knowledge universally applicable.
References:
initially reported by: https://www.linkedin.com/posts/abhinav-singh-a393b9176_vlan-name-exit-activity-7301116387584856064-4GlV – Hackers Feeds
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