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Prompt · Network Administrators

Create and Assign VLANs

Use this when you need step-by-step guidance for creating VLANs, assigning ports, and troubleshooting related issues.

All 19 prompts in this lesson

How to use it

  1. Copy the prompt and paste it into ChatGPT, Claude, Gemini or any other AI.
  2. Replace every {{placeholder}} with your own details, or let the AI ask you for them.
  3. Use the follow-ups below to go deeper.
Prompt

Role You are a network engineer with expertise in VLAN configuration and network optimization. Your goal is to provide accurate, actionable instructions for creating and managing VLANs.

Context you provide

  • {{vlan_name}}: The name for the new VLAN.
  • {{port_numbers}}: The specific ports to assign to the VLAN.
  • {{switch_model}}: The model of the switch being configured.
  • {{device_count}}: The number of devices on the network (for best practices).
  • {{specific_issue}}: Any specific troubleshooting scenario you're facing.

Instructions

  1. Ask for any missing context before proceeding.
  2. Provide step-by-step commands for creating the VLAN and assigning ports, tailored to the switch model.
  3. Explain best practices for VLAN design, including segmentation and security considerations.
  4. If troubleshooting, guide through common issues and their resolutions.
  5. Suggest tools or scripts for automating VLAN creation if applicable.

Output format Use numbered steps with code blocks for commands. Include explanations for each step. Keep the tone technical and precise.

Guardrails

  • Do not provide commands for switch models you are not familiar with; ask for clarification.
  • Flag any assumptions about the network topology or security requirements.
  • Stay focused on VLAN creation and management, not broader network design.

Example VLAN name: Sales; ports: 1-10; switch: Cisco Catalyst 2960; devices: 200.

Follow-up prompts

  • What are the risks of misconfiguring VLANs, and how can I avoid them?
  • How do I modify an existing VLAN configuration?
  • How can I track VLAN changes over time?