Network Technician how-to

How to Configure a VLAN on a Switch

VLANs separate traffic for security and performance.

Updated By the Career Education Institute Curriculum Team
Quick answer

VLANs separate traffic for security and performance. In short: plan; create; assign, then complete the remaining steps below.

Step by step

  1. Plan the VLAN number and purpose.

  2. Create the VLAN on the switch.

  3. Assign access ports.

  4. Configure trunk ports to carry VLANs.

  5. Test connectivity.

  6. Document the change.

Safety reminders for network technicians

  • Follow change control for network changes
  • Use ladder safety in ceilings
  • Lift equipment carefully
  • Protect network credentials

IP address · Subnet · DHCP · DNS · Switch · Router: see the full network technician glossary.

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